OEM-spec trackpad replacement (without flex cable) for MacBook Air 15.3″ M2 (Model A2941, EMC 8301) in Silver finish—engineered for precise Force Touch response, smooth multi-touch gestures, and seamless integration with the original chassis. Compatible With: MacBook Air 15.3-inch (2023, Model A2941, EMC 8301) with Apple M2 chip. Part Type: Trackpad only—does not include the flex cable, Taptic Engine, or mounting brackets. Designed for technicians who will reuse or transfer the original internal components. Finish: Silver—matches the original Silver and Starlight lower case for perfect visual continuity. Force Touch Support: Fully compatible with pressure-sensitive input and haptic feedback when used with the original Taptic Engine and logic board—no loss of functionality. Precision Build: Mirror-smooth glass surface with exact curvature, texture, and micro-click mechanism matching Apple’s OEM standards for consistent tracking and tactile feel. Installation Requirements: Requires full bottom case disassembly and careful transfer of the original flex cable and Taptic Engine. Proper adhesive application is essential to maintain structural rigidity and sensor alignment. Recommended for professional or certified repair technicians only.
Genuine Apple MacBook Pro 15" (A1707) LCD display assembly in Space Gray—professionally removed from original units and tested for full functionality. Ideal for high-quality repairs with OEM clarity and color accuracy. Genuine Apple MacBook Pro 15″ (A1707) LCD display assembly in Space Gray—professionally removed from original units and tested for full functionality. Ideal for high-quality repairs with OEM clarity and color accuracy. Model Compatibility: Designed exclusively for MacBook Pro 15-inch (2016–2017 models, A1707). Original Apple Display: Not a third-party or replica—this is an authentic Apple Retina display assembly carefully pulled from verified MacBook Pro units. Retina Display Quality: 15.4-inch LED-backlit screen with 2880 x 1800 resolution, P3 wide color gamut, and True Tone support (if originally equipped) for vibrant, true-to-life visuals. Complete Assembly Included: Comes with LCD panel, front glass, integrated FaceTime HD camera, ambient light sensor, and full bezel—ready for direct installation. Space Gray Finish: Matches the original Space Gray MacBook Pro chassis for seamless aesthetic integration. Professionally Inspected: Each unit is tested for dead pixels, backlight uniformity, discoloration, and physical integrity to ensure reliable performance. “Pulled” Condition: Removed from a genuine, used MacBook Pro—fully functional with OEM performance, but not brand new. No cracks or major blemishes. Ideal for Repair Professionals: Trusted by technicians and refurbishers who require factory-level display quality and compatibility.
The ViewSonic 22″ 75Hz Monitor offers a superb viewing experience with its high-quality display. Whether you’re working, gaming, or watching videos, this monitor delivers vibrant and crisp visuals. With Full HD 1080p resolution, the ViewSonic 22″ 75Hz Monitor provides sharp and clear images. Enjoy your favorite content with stunning detail and lifelike colors, making every viewing session a pleasure. The 75Hz refresh rate ensures smooth and fluid motion, reducing screen tearing and stuttering. This makes the ViewSonic 22″ 75Hz Monitor ideal for gaming and fast-paced videos, enhancing your overall experience. Designed for comfort and convenience, this monitor features an anti-glare screen to reduce eye strain. The ViewSonic 22″ 75Hz Monitor also has a flicker-free technology and blue light filter, ensuring a comfortable viewing experience even during extended use. Connectivity is a breeze with the ViewSonic 22″ 75Hz Monitor. It comes with HDMI and VGA ports, allowing you to connect a variety of devices with ease. Whether it’s your computer, gaming console, or media player, this monitor has you covered. The sleek and modern design of the ViewSonic 22″ 75Hz Monitor complements any workspace or gaming setup. Its slim profile and minimalistic stand make it a stylish addition to your desk, saving space without compromising on performance. In conclusion, the ViewSonic 22″ 75Hz Monitor combines high resolution, smooth refresh rate, and ergonomic design for an exceptional viewing experience. Upgrade to the ViewSonic 22″ 75Hz Monitor today and enjoy superior performance and style. Specifications: Display : 22″ IPS Resolution : FHD 1920 x 1080 Refresh Rate : 75Hz Response Rate : 5ms GTG
The ViewSonic VA2710-mh 27″ 60Hz Monitor brings stunning visuals to your desk. With its 27-inch Full HD display, you can enjoy vibrant colors and sharp details, perfect for work, entertainment, or gaming. This monitor features a sleek and modern design, making it a stylish addition to any workspace. The slim bezels provide a clean and uncluttered look, enhancing your viewing experience. The ViewSonic VA2710-mh offers versatile connectivity options, including HDMI and VGA inputs. This makes it easy to connect your computer, laptop, or gaming console, ensuring compatibility with various devices. With a 60Hz refresh rate, the ViewSonic VA2710-mh delivers smooth and fluid visuals. Whether you’re watching movies, playing games, or working on graphic design, you’ll appreciate the clarity and responsiveness of this monitor. The SuperClear IPS panel technology provides consistent brightness and accurate colors from any viewing angle. This means you can enjoy the same high-quality visuals, whether you’re sitting directly in front of the screen or off to the side. The ViewSonic VA2710-mh is designed for comfort and productivity. It features flicker-free technology and a Blue Light Filter, reducing eye strain during extended viewing sessions. This makes it an ideal choice for those who spend long hours in front of their screens. In conclusion, the ViewSonic VA2710-mh 27″ 60Hz Monitor combines stunning visuals, versatile connectivity, and a sleek design for an exceptional viewing experience. Upgrade your setup today and enjoy vibrant and clear visuals with the ViewSonic VA2710-mh monitor. Specifications: Display : 27″ IPS Resolution : FHS 1920×1080 Refresh Rate : 60Hz Response Rate : 5ms
Genuine Apple MacBook Pro 16″ (A2141) Retina display assembly—professionally removed from original units and tested for full functionality. Ideal for high-quality repairs with true OEM performance and clarity. Model Compatibility: Fits MacBook Pro 16-inch (2019 model, A2141) only. 100% Original Apple Display: Not a copy or aftermarket part—this is an authentic Apple Retina display assembly carefully pulled from used or refurbished MacBook Pro units. Stunning Retina Display: 16-inch LED-backlit screen with 3072 x 1920 resolution, P3 wide color, True Tone technology, and high brightness for crisp, lifelike visuals. Complete Assembly Included: Comes with front glass, LCD panel, integrated 720p FaceTime HD camera, ambient light sensor, and full bezel—ready for installation. Rigorously Inspected: Each unit is tested for dead pixels, backlight uniformity, color accuracy, and physical condition to ensure reliable performance. “Pulled” Condition: Removed from a genuine MacBook Pro—fully functional with OEM quality, but shows signs of prior use (no cracks or major blemishes). Perfect for Professional Repairs: Trusted by technicians and refurbishers who demand factory-level display quality and compatibility.
The NCTS HDMI 2.1 cable delivers ultra-high bandwidth 48Gbps with support for 8K@60Hz and 4K@120Hz, ensuring smooth, sharp, and lag-free performance. Available in 3 meters and 5 meters, it’s perfect for gaming consoles, TVs, monitors, and high-end home theater setups. The NCTS HDMI 2.1 Cable is built for next-generation video and gaming performance. With a high-speed 48Gbps bandwidth, it supports advanced resolutions like 8K at 60Hz and 4K at 120Hz, making it ideal for PlayStation 5, Xbox Series X, gaming PCs, 8K TVs, projectors, and home theater systems. Designed for stable signal transmission even at longer lengths (3M & 5M), it provides premium audio/video quality for professional and entertainment use. HDMI 2.1 Standard for next-gen video performance 48Gbps Ultra High Speed Bandwidth for smooth and stable output Supports 8K@60Hz & 4K@120Hz for ultra-clear and fluid visuals Ideal for PS5 / Xbox Series X / Gaming PC for high refresh rate gaming HDR Support for richer colors and better contrast (device dependent) eARC Support for high-quality audio transmission (device dependent) Durable Build Quality designed for long-term performance Available Lengths: 3M & 5M for flexible installation Perfect for next-gen consoles, gaming PCs, 8K TVs, 4K high refresh monitors, projectors, AV receivers, and soundbars. Ideal for users who want maximum performance for gaming, streaming, and home theater systems.
The HP Series 5 Pro 23.8″ FHD USB‑C Conferencing Monitor delivers crisp visuals on a 23.8‑inch Full HD IPS screen with a 16:9 aspect ratio. Additionally, it features a built‑in 5 MP Poly Studio tiltable webcam. This webcam, combined with AI noise reduction, ensures clear video and audio during calls. Moreover, the monitor supports USB‑C video input with up to 100 W power delivery. It also provides USB‑C data transfer, HDMI 2.0, DisplayPort 1.4, USB‑A ports with one charging port, an audio combo jack, and an RJ‑45 Ethernet port. These connections simplify hybrid work setups. Furthermore, the ergonomic stand allows height adjustment for comfort. The ambient light sensor with HP Eye Ease reduces blue light while preserving color accuracy. The monitor incorporates recycled materials in its design and comes with a three‑year limited warranty for peace of mind. Specifications: 23.8″ Full HD (1920 × 1080) IPS display with 350 nits brightness and 1500:1 contrast Built‑in 5 MP Poly Studio webcam with AI noise reduction USB‑C video with up to 100 W power delivery and USB‑C data port HDMI 2.0, DisplayPort 1.4, USB‑A ports, Ethernet, and audio combo jack Ergonomic stand with height adjustment and HP Eye Ease ambient light sensor
The Logitech C270 is an affordable, plug-and-play HD webcam delivering 720p video and clear audio—perfect for video calls, remote learning, and everyday communication on Windows, macOS, and ChromeOS. Dual stereo microphones with noise reduction for clearer voice pickup Universal compatibility: Works seamlessly with Zoom, Microsoft Teams, Google Meet, Skype, and more Plug-and-play USB-A connection: No drivers needed—just connect and start your call Adjustable clip-on mount: Fits laptops, LCD monitors, or tripods (tripod not included) Compact, lightweight design with privacy-friendly lens cover (manual)
The MSI Pro MP242 24″ 75Hz Business Monitor is designed to boost productivity while offering a comfortable viewing experience. Its 24-inch screen delivers crisp visuals with Full HD resolution, making it ideal for work, study, and entertainment. With a 75Hz refresh rate, the MSI Pro MP242 ensures smooth visuals whether you’re editing documents, browsing the web, or watching videos. The anti-glare screen minimizes reflections, allowing you to work comfortably in various lighting conditions. Designed with your health in mind, the MSI Pro MP242 Business Monitor features eye-care technology. The monitor reduces blue light and flicker, helping to minimize eye strain during extended screen use. This makes it perfect for long work hours or study sessions. The MSI Pro MP242 offers versatile connectivity options with HDMI and VGA ports, allowing easy connection to multiple devices. Whether you’re connecting a laptop, desktop, or other peripherals, this monitor makes it hassle-free. With its slim and modern design, the MSI Pro MP242 24″ Monitor fits seamlessly into any professional or home office environment. Its adjustable stand allows you to tilt the screen for optimal viewing angles, providing additional comfort during use. In conclusion, the MSI Pro MP242 24″ 75Hz Business Monitor offers the perfect combination of performance, comfort, and design. Upgrade your workspace today and enjoy improved productivity with clear visuals and eye-care features. Specifications: Display : 23.8″ IPS Resolution : FHD (1920 x 1080) Refresh Rate : 75Hz Response Rate : 5ms
The AOC 24″ 100Hz Monitor offers a seamless and smooth viewing experience for all your needs. Whether you’re gaming, working, or enjoying multimedia, this monitor delivers crisp visuals and smooth performance. With a 100Hz refresh rate, the AOC 24″ Monitor ensures fluid motion and reduces screen tearing. This makes it an excellent choice for gamers who demand fast response times and smooth action. The 24-inch display offers Full HD resolution, providing vibrant colors and sharp details. From watching movies to editing documents, the AOC 24″ Monitor delivers high-quality visuals for every task. Designed with user comfort in mind, the AOC Monitor comes with flicker-free technology and a low blue light mode. This helps reduce eye strain during extended use, ensuring a comfortable viewing experience. The slim, modern design of the AOC 24″ Monitor makes it a stylish addition to any workspace or gaming setup. Its compact size fits easily on most desks, while still offering an immersive viewing experience. The AOC Monitor also includes multiple connectivity options, such as HDMI and VGA ports. This allows easy connection to a wide range of devices, including PCs, gaming consoles, and more. In conclusion, the AOC 24″ 100Hz Monitor combines a fast refresh rate, stunning visuals, and user-friendly design. Whether for gaming, work, or entertainment, this monitor provides the quality and performance you need for everyday tasks. Specifications: Display : 24″ V A Resolution : 1920 × 1080 (FHD) Refresh Rate : 100Hz Response Rate : 1ms
The MSI PRO MP272L E2 27-inch business monitor is designed for productivity, office workflows, and everyday multitasking. It offers a clean and modern design that fits well in professional setups. Therefore, it helps users stay focused while maintaining an organized workspace. Moreover, the IPS panel delivers consistent colors and wide viewing angles for comfortable collaboration. The Full HD resolution ensures clear text and sharp visuals for documents, spreadsheets, and web browsing. In addition, the 100Hz refresh rate provides smoother scrolling and a more responsive experience than standard office displays. The monitor also includes MSI Eye Care technologies such as anti-flicker and low blue light support. As a result, it reduces eye strain during long working sessions. Furthermore, adaptive sync support helps improve smoothness in general media playback. In addition, the MSI PRO MP272L E2 27-inch business monitor supports multiple connectivity options, making it easy to connect laptops, desktops, and other devices. It also includes tilt adjustment for better ergonomic positioning. Consequently, it is suitable for both home offices and corporate environments. The MSI PRO MP272L E2 27-inch business monitor delivers a balanced mix of comfort, clarity, and productivity-focused performance. Specifications: 27-inch Full HD (1920 × 1080) IPS display 100Hz refresh rate for smoother visuals Anti-flicker and low blue light eye-care technology Wide 178° viewing angles for consistent colors HDMI and DisplayPort connectivity with ergonomic tilt support
The MSI Optix AG321CQR Gaming Monitor delivers immersive visuals with a 31.5″ curved display and QHD resolution. It enhances gaming with a 1500R curve for better field of view. Moreover, it features a 165Hz refresh rate and 1ms response time for smooth motion. This improves clarity in fast-paced gameplay. The VA panel provides high contrast and rich colors. It supports wide viewing angles for consistent image quality. Adaptive Sync with FreeSync Premium reduces screen tearing and stutter. This ensures fluid and stable performance during gaming sessions. It also includes anti-flicker and low blue light features for eye comfort. The adjustable stand allows tilt, swivel, height, and pivot adjustments. The MSI Optix AG321CQR Gaming Monitor is ideal for users who want immersive curved visuals and smooth performance. Specifications: 31.5″ QHD (2560×1440) VA curved panel with 1500R curvature 165Hz refresh rate for smooth gaming performance 1ms (MPRT) response time for reduced motion blur AMD FreeSync Premium for tear-free gameplay Adjustable stand with tilt, swivel, pivot, and height options
HP E27q G5 QHD Monitor Firstly, the HP E27q G5 monitor is your gateway to an enhanced visual experience without breaking the bank. Whether you’re working, gaming, or indulging in multimedia content, this monitor has you covered. Secondly, one of the standout features of the HP E27q G5 is its Quad High Definition (QHD) display. This means you can enjoy crystal-clear visuals with sharp details for a wide range of tasks. The 27-inch screen size provides a generous canvas for all your computing needs, from productivity to entertainment. You get more screen real estate to enhance your multitasking capabilities. With a sleek and modern design, the E27q G5 monitor is a stylish addition to any workspace. It effortlessly blends with your existing setup, adding a touch of sophistication. Adjusting the monitor to your desired height is easy, thanks to its ergonomic design. Achieve the perfect viewing angle for comfort during extended work or gaming sessions. Connecting the HP E27q G5 is a straightforward process, and it’s compatible with standard ports for quick setup. No need to deal with complicated installation procedures. This monitor is a cost-effective choice for professionals, gamers, and multimedia enthusiasts. It offers top-notch features without straining your budget, making it an excellent investment. Specifications: QHD (2560 x 1440) 1000:1 5ms GtG (with overdrive) IPS
Searching for a portable monitor to enhance your remote work experience? Look no further than the ViewSonic TD1655. This compact and versatile display is designed to elevate your productivity wherever you go. Firstly, its slim and lightweight design makes it easy to carry, fitting seamlessly into your work or travel bag. Enjoy the convenience of a dual-screen setup, enhancing multitasking capabilities on the fly. The TD1655 boasts a full HD resolution, ensuring crisp and clear visuals for work or entertainment. Its 15.6-inch screen provides ample space without compromising on portability, perfect for presentations or extended work sessions. Connecting your devices is a breeze with the TD1655’s USB-C and HDMI ports. Effortlessly link it to your laptop, tablet, or smartphone, eliminating the need for complicated setups. Transition seamlessly between devices with ease. Adjustable viewing angles offer ergonomic comfort, reducing strain during prolonged use. Whether you’re working on a report or binge-watching your favorite shows, find the perfect angle for a comfortable and immersive experience. The ViewSonic TD1655 isn’t just a monitor; it’s a productivity companion. Its compatibility with various devices, sleek design, and user-friendly features make it an ideal choice for professionals on the move. In conclusion, the ViewSonic TD1655 Portable Monitor is a game-changer for remote work and entertainment. Experience the freedom of a flexible, high-quality display that adapts to your dynamic lifestyle. Upgrade your mobile office setup today! Specifications: Size : 16″ Touch Resolution : 60Hz full HD Ports : 2 USB-C
The Samsung Smart Monitor M7 LS43DM702UMXUE features a 43-inch VA panel with 4K UHD resolution (3840 × 2160). It combines a monitor and smart TV platform in a single display, making it suitable for productivity, entertainment, and streaming without requiring a connected PC. The display supports a maximum refresh rate of 60Hz and provides sharp image quality for office work, media consumption, and general computing tasks. In addition, the 4K resolution offers four times the detail of Full HD content. Samsung equips this model with Tizen OS. Therefore, users can access streaming applications, web services, and smart features directly from the monitor. It also supports Samsung TV Plus and cloud-based productivity applications. Connectivity includes HDMI ports, USB ports, Wi-Fi 5, Bluetooth 5.2, and USB-C. The USB-C connection supports display input, data transfer, and up to 65W power delivery for compatible devices. The monitor includes built-in speakers and supports wireless screen mirroring from compatible smartphones, tablets, and laptops. As a result, users can share content without additional cables. This model focuses on productivity, entertainment, and smart connectivity while providing a large 43-inch 4K display. Specifications: 43-inch VA panel with 3840 × 2160 4K UHD resolution 60Hz refresh rate Tizen OS with built-in streaming applications USB-C with up to 65W Power Delivery Wi-Fi 5, Bluetooth 5.2, HDMI, and USB connectivity
RK ROYAL KLUDGE RK918 Wired Mechanical Keyboard, RGB Backlit Gaming Keyboard with Large LED Surrounding Side Lamp, Full Size 108 Keys Mechanical 100% Anti-Ghosting Computer Keyboard, Red Switch White About this item 【Full Size 108 Keys & Anti Ghosting Mechanical Keyboard】: 100% percent layout 108 key Mechanical keyboard. All keys do not conflict, ensure that every click is registered, and greatly improve the gaming and typing experience. Press FN and F1~F12 keys could quickly activate the multi-function keys, running for what you demand immediately. It is a great choice as a Christmas gift 【RGB Backlit & LED Surrounding Side Lamp】: The RGB backlight keyboard has more than 20 backlight modes, including interactive backlight, breathing backlight modes, dynamic RGB mode, etc. Besides, there are large LED surrounding side lamps. These all will give you more enjoyable when you gaming or typing at night 【Mechanical Red Switches & Double Shot Keycaps】: Offering linear and quiet typing feedback, smooth top-to-bottom actuation travel distance with shallow sound. If you prefer a quiet environment and a small operating force, red switches are the right choice. Double shot keycap type is produced when two layers of plastic are molded into each other. No printing is necessary. The result is a key legend that will never fade or chip off 【Wide Compatibility & Software Support】: Compatible with Windows, Mac, Linus, etc. The wired connection enables stable transmission without worrying about the impact of the signal. Through RK software, you can customize RGB mode and color, redefine key function, customize macros, and set gaming mode 【Professional and Reliable Service】: RK ROYAL KLUDGE has a professional service team. Over the years, we have kept bringing high-quality products and services to customers, so that we have gained the love and trust of many customers. If you have any questions, you can contact us anytime. RK ROYAL KLUDGE will spare no effort to provide every customer with the best service within 24 hours.
SanDisk 2TB Portable SSD - Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware - External Solid State Drive - SDSSDE30-2T00-G26 SanDisk 2TB Portable SSD – Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware – External Solid State Drive – SDSSDE30-2T00-G26 About this item Solid state performance with up to 800MB/s read speeds in a portable drive. (Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.) Back up your content and memories on a storage solution that fits seamlessly into your mobile lifestyle. Take it with you on your adventures—up to two-meter drop protection means this durable drive can take a beating. (Based on internal testing.) Secure it to your belt loop or backpack for extra peace of mind thanks to the tough rubber hook. From SanDisk, a brand professional photographers trust to take on assignments.
Genuine-spec touchpad flex cable for MacBook Pro 13″ (Model A2251, 2020, Intel)—essential for restoring full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 13-inch (2020, Two Thunderbolt Ports, Model A2251, Model Identifier MacBookPro16,1) with Intel Core i5/i7 processors. Part Type: Touchpad flex cable only—does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Transmits: Precise touch coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support including Force Click, three-finger lookup, swipe navigation, and inertial scrolling. Precise touch coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support including Force Click, three-finger lookup, swipe navigation, and inertial scrolling. OEM-Quality Build: Matches Apple’s original specifications in: Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and partial disassembly (including battery disconnect). Cable routes under the right speaker and logic board—must be seated in original retention channels. Connects via ZIF (Zero Insertion Force) socket—align carefully and latch gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and partial disassembly (including battery disconnect). Cable routes under the right speaker and logic board—must be seated in original retention channels. Connects via ZIF (Zero Insertion Force) socket—align carefully and latch gently. Recommended for experienced or certified technicians only.
A high-efficiency pre-owned HP EliteBook 865 G9 with 16" display, AMD Ryzen 7 6850U, 16GB RAM, 512GB SSD, and integrated AMD Radeon 680M graphics—ideal for business professionals seeking all-day battery life, strong performance, and enterprise security.
lenovo battery L17M3PG1 L17C3PG1 L17M3PG1 Laptop Battery Compatible with Lenovo Legion Y530-15ICH Y7000 2019 1050 Y7000-2019-PG0 Y540-15IRH-PG0 Y540-17IRH-PG0 Y7000P Series Notebook L17M3PG3 11.34V 52.5Wh About this item 【Battery type】Li-ion. Voltage: 11.34V. Capacity: 52.5Wh 4630mAh . 【Replacement For Laptop】Lenovo Legion Y545-PG0 Legion Y530-15ICH Y7000 2019 1050 Y7000-2019-PG0 Y540-15IRH-PG0 Y540-17IRH-PG0 Y7000P Series. 【Compatible Part Number】L17L3PG1 5B10Q82428 L17C3PG1 5B10Q88561 L17M3PG3 5B10Q93417 L17M3PG1 L17M3PG2 5B10W67238 5B10Q80766 【Connector】Before placing your order, Please refer to the picture and check it. Because the products produced by different factories will have differences in size, cable length, interface, etc.
