LG 24 inch UltraGear Gaming Monitor 24GQ50F-B is designed for fast-paced gaming and smooth visuals. It features a 23.8-inch Full HD display built for competitive play. Additionally, it supports a high refresh rate for responsive motion. Therefore, it delivers a smooth and fluid gaming experience for esports and action games. The LG 24GQ50F-B offers 1920 × 1080 resolution with a VA panel and 165Hz refresh rate. Moreover, it includes 1ms Motion Blur Reduction for sharper fast movement. It also supports AMD FreeSync Premium to reduce screen tearing and stutter. In addition, it provides gaming features like Black Stabilizer and Dynamic Action Sync for better visibility and reaction speed. Furthermore, the monitor uses a 3-side borderless design for a wider viewing feel. As a result, it suits both single-screen setups and multi-monitor gaming stations. It also includes tilt adjustment for basic ergonomic positioning. Specifications: 23.8-inch Full HD (1920 × 1080) VA display 165Hz refresh rate for ultra-smooth gameplay 1ms Motion Blur Reduction technology AMD FreeSync Premium support Black Stabilizer and Dynamic Action Sync gaming tools
Meetion Wireless Optical Mouse, Black | R547 DPI switch button Resolution 800/1200/1600dpi 2.4GHz USB Nano receiver included (range-up to 10m)
The HP ProLiant DL360 Gen9 is a powerful 1U rack server equipped with 2x Intel Xeon E5-2660 v3 processors, 64GB DDR4 RAM, and 8x 300GB SAS 2.5-inch drives for fast and reliable storage. Ideal for virtualization, enterprise workloads, and data center deployments.
Genuine-spec touchpad flex cable for MacBook Air 13″ (Model A1932, 2018–2019)—essential for restoring full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Air 13-inch (2018 & 2019, Model A1932, Model Identifier MacBookAir8,1) 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 touch input, Force Touch pressure data, and haptic feedback signals—critical for macOS gestures like Force Click, three-finger lookup, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original in length, connector pitch, EMI shielding, and flexibility—ensures reliable signal integrity and long-term durability. Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is unusable Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is unusable Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and careful routing beneath the battery. The cable connects via a ZIF (Zero Insertion Force) socket on the logic board—must be properly aligned and latched without force. Recommended for experienced or certified technicians. Important: This is flex cable only—not a complete trackpad assembly. Must be used with the original or compatible A1932 trackpad and Taptic Engine. Not compatible with MacBook Air M1 (A2337/A2338), M2 (A2681/A2941), or any MacBook Pro model. This is flex cable only—not a complete trackpad assembly. Must be used with the original or compatible A1932 trackpad and Taptic Engine. Not compatible with MacBook Air M1 (A2337/A2338), M2 (A2681/A2941), or any MacBook Pro model.
PCE 900 M8 900VA 480W Output Power: 700VA (M8 700), 900VA (M8 900) Voltage Input Range: 220-240 VAC with 102 wires (M8 700), 140-300 VAC (M8 900) Output Protection: Overload, discharge, and overcharge protection (M8 700), Fault protection (M8 900) Waveform: Simulated Sine Wave LED Indicators: Green lighting (M8 700), Green flashing (M8 900) Frequency: 50 or 60 Hz +/- 10% (auto sensing) (M8 700), 50 or 60 Hz +/- 1% (M8 900) Voltage (backup mode): 12V/9AH x 1 (M8 700), 12V/7AH x 1 (M8 900) Frequency (backup mode): 50 or 60 Hz +/- 1% (M8 700 and M8 900) Transfer time (M8 700): Typical 2 to 6 ms Backup time (M8 900): 10-20min depending on load level Net Weight: 4.3 kg (9.46 lbs) (M8 700), 4.8 kg (10.56 lbs) (M8 900) Output Receptacles: Universal sockets x 2 or German x 2 (M8 700), Universal sockets x 4 (M8 900) Audible Noise: Sounding every 10 seconds (M8 700), Sounding every second (M8 900) Dimensions: 100x278x140 (3.9″x10.8″x5.5″) (M8 700), 130x320x182 (5.07″x12.48″x7.1″) (M8 900) Compatibility: Windows 2000/XP/2003/2008/Vista/7, NOVELL, LINUX, UNIX (M8 700), Optional Interface with power management software (M8 900) Certifications: EN 50091-1-1/EN 69050 (RD), IEC 60950, TUV GC-Mark, EN 50091-2, EN 50022/B, IEC 62040-2, IEC 61000-3-2, IEC 61000-3-3, ISO 9001, ISO 14001 (M8 700 and M8 900)
Looking to upgrade your gaming setup? The Asus TUF VG279Q1A Gaming Monitor is the perfect solution for an enhanced gaming experience without breaking the bank. First and foremost, indulge in the impressive display quality this monitor offers. With vivid colors and sharp contrasts, your games come to life, providing an immersive and captivating visual feast. The ultra-fast refresh rate ensures smooth and fluid motion, eliminating lag and enhancing your responsiveness during intense gaming sessions. Say goodbye to screen tearing and hello to a competitive edge. Transition seamlessly between tasks with the user-friendly interface. The intuitive controls make adjusting settings a breeze, allowing you to personalize your gaming environment effortlessly. Furthermore connectivity is key, and the Asus TUF VG279Q1A Gaming Monitor delivers. Multiple ports cater to your gaming peripherals, ensuring compatibility with various devices for a versatile gaming setup. Experience comfort during extended gaming sessions with adjustable features. Tilt, swivel, and height adjustments guarantee an ergonomic setup, reducing strain and enhancing your focus on the game. With eye-care technology, this monitor prioritizes your well-being by reducing eye strain and fatigue. Game for hours without compromising on comfort or visual quality. In conclusion, the Asus TUF VG279Q1A Gaming Monitor is a budget-friendly solution that doesn’t compromise on performance. Elevate your gaming setup with its impressive features and enjoy a new level of gaming immersion. Upgrade today! Specifications: Display : 27″ FHD (1920×1080), IPS Refresh Rate : 165Hz Response time : 1ms Part Number : 90LM05X0-B05170
Genuine-spec touchpad flex cable for MacBook Pro 15″ (Model A1990, 2018–2019, 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 15-inch (2018 & 2019, Model A1990, Model Identifiers MacBookPro15,2) with Intel Core i7/i9 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: Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original specifications in: Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is unusable Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is unusable Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only.
Genuine-spec US layout (QWERTY) black keyboard replacement for MacBook Air 13.6″ and 15″ models (2023–2025, M2/M3/M4 chips)—featuring Apple’s Magic Keyboard with scissor-switch mechanism, backlighting, and precise OEM fit. Compatible With: 13.6″ MacBook Air: A2681 (M2, 2022–2023), A3113 (M3, 2023–2024), A3240 (M4, 2024–2025) 15″ MacBook Air: A2941 (M2, 2023), A3114 (M3, 2023–2024), A3241 (M4, 2024–2025) 13.6″ MacBook Air: A2681 (M2, 2022–2023), A3113 (M3, 2023–2024), A3240 (M4, 2024–2025) 15″ MacBook Air: A2941 (M2, 2023), A3114 (M3, 2023–2024), A3241 (M4, 2024–2025) Keyboard Layout: Standard US English (QWERTY) with wide Enter key, dedicated left/right arrow keys in inverted-T layout, and full function row—matches Apple’s original US configuration. Design: Apple’s Magic Keyboard with scissor-switch mechanism—providing quiet, stable, and responsive typing with 1mm key travel and enhanced durability. Features: Integrated backlighting for low-light use, ambient light sensor compatibility, and OEM-style flex cable for direct logic board connection. Color: Sleek black keycaps—ideal for Space Gray and Midnight finishes, and visually consistent across all color variants. Precision Fit: Engineered to exact Apple specifications for alignment, key spacing, and mounting—ensures seamless integration into the original top case. Installation Note: The keyboard is factory-glued into the top case. Replacement requires full disassembly, careful removal, and professional-grade re-adhesion. Recommended for experienced technicians only.
Kingston DataTraveler Exodia (DTX) – Reliable, high-speed flash drive featuring a practical, protective cap design. Delivers USB 3.2 Gen 1 performance for quick and effortless file transfers, ideal for everyday use at work, home, or school. ✅ Full Specifications: Model: Kingston DataTraveler Exodia (DTX/64GB) Interface: USB 3.2 Gen 1 (Backward compatible with USB 3.0 and USB 2.0) Read Speed: Standard USB 3.2 Gen 1 transfer speeds Capacity Options: 64GB / 128GB / 256GB. Material: Durable matte plastic casing Design: Lightweight with a protective cap and a large, color-coded keyring loop (Teal for 64GB) Security/Software: Plug-and-play functionality (No software installation required) Compatibility: Windows 11, 10, macOS (v.10.15.x+), Linux (v. 4.4+), Chrome OS Dimensions: Approx. 67.3 x 21.04 x 10.14 mm Weight: Approx. 11 grams
SanDisk 1TB Portable SSD - Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware - External Solid State Drive - SDSSDE30-1T00-326 SanDisk 1TB Portable SSD – Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware – External Solid State Drive – SDSSDE30-1T00-326 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. 1 MB = 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 a 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.
The HP P24H G5 24” 75Hz FHD Monitor is a modern display designed for everyday work, entertainment, and productivity. It combines clear visuals, smooth motion, and simple usability in a sleek design. First, this monitor features a 23.8-inch Full HD (1920 × 1080) IPS panel for bright colors and wide viewing angles. As a result, text and images stay sharp for work, videos, and browsing. In addition, the HP P24H G5 24” 75Hz FHD Monitor supports a 75 Hz refresh rate, giving smoother motion for videos and casual gaming. Therefore, motion looks more fluid than on basic 60 Hz screens. This display uses wide 178°/178° viewing angles and anti-glare treatment to help reduce reflections and maintain clarity from many positions. This makes it easier to share content with others. The panel also delivers a typical brightness of 250 nits and a contrast ratio of 1000:1, so whites and blacks stay balanced for clear content. Thus, your work and entertainment stay easy to see. The HP P24H G5 includes built-in dual 2 W speakers for basic audio without extra accessories. This helps when you watch videos or join online meetings. Connectivity options include HDMI 1.4, DisplayPort 1.2, and VGA, so you can connect laptops and desktops easily. This makes setup quick with many devices. The stand supports height adjustment and tilt to help you find a comfortable viewing position for long sessions. Also, it has a 3-sided micro-edge bezel for a modern look and cleaner multi-monitor setups. This monitor is also flicker-free with low blue light mode, helping reduce eye strain during extended use. This makes it suitable for office work and daily use. In conclusion, the HP P24H G5 24” 75Hz FHD Monitor offers clear display, smooth visuals, and flexible connectivity for work and play. Overall, it is a strong choice for home, office, and small business setups. Specifications: Display : 23.8″ IPS Resolution : FHD (1920 x 1080) Refresh Rate : 75 Hz Response Rate : 5ms GtG
New 01AV423 01AV424 01AV422 SB10K97579 SB10K97581 11.4V 24Wh 2080mAh Laptop Battery Compatible with Lenovo ThinkPad T470 61 Series Notebook About this item Condition: New Voltage: 11.4V Capacity: 24Wh/2100mAh Replace Part Number: 01AV423 01AV424 SB10K97581 01AV422 SB10K97579 Fit for: LENOVO Thinkpad T470 T570 P51S 61 Series Laptop
The Lexar NM620 2TB NVMe SSD delivers exceptional read speeds up to 3,300 MB/s and write speeds up to 3,000 MB/s through its PCIe Gen3x4 NVMe 1.4 interface. Built with 3D NAND Flash and a compact M.2 2280 form factor, it offers fast, efficient, and reliable storage for gaming, video editing, and professional workloads. The Lexar NM620 2TB M.2 2280 NVMe SSD is engineered for users who need high-performance storage without compromise. Using PCIe Gen3x4 lanes and the NVMe 1.4 protocol, it provides up to six times faster transfer speeds than SATA SSDs. Its slim, cable-free design makes it an ideal upgrade for desktops, laptops, and ultrabooks that demand higher data throughput and improved responsiveness. ⚡ High-Speed NVMe Performance: Delivers sequential read/write speeds up to 3,300 MB/s / 3,000 MB/s for faster system boot-ups, game loading, and large-file transfers. 💾 Large 2 TB Capacity: Provides ample storage for 4K media, applications, and high-volume project files. 🔋 Power-Efficient Design: Optimized for lower power draw, helping extend laptop battery life and reduce operating temperatures. 🔒 Advanced Data Protection: Utilizes LDPC (Low-Density Parity-Check) and end-to-end data path protection for accurate, consistent data integrity. 🧊 Compact Form Factor: The M.2 2280 design supports easy installation in modern systems without cables. 🧠 3D NAND Architecture: Ensures improved endurance, sustained performance, and stability during intensive workloads. 🧰 Durability Tested: Resistant to shock and vibration for dependable performance across a range of operating environments.
The BYL-2207 2-in-1 LAN adapter provides fast and stable wired internet through a Gigabit Ethernet port using either USB-C or USB 3.0. Perfect for laptops, MacBooks, and PCs without an Ethernet port, it ensures smooth streaming, online meetings, and reliable network performance. The BYL-2207 2-in-1 Type-C / USB 3.0 to Gigabit LAN Adapter is designed for users who need a reliable wired connection on modern laptops and devices. It supports both USB-C and USB 3.0, making it compatible with a wide range of systems including MacBooks, ultrabooks, and desktops. With Gigabit Ethernet speed, it provides faster and more stable internet compared to Wi-Fi, making it ideal for work, gaming, and streaming. 2-in-1 Connector (USB-C + USB 3.0) for wide compatibility Gigabit Ethernet Port (RJ45) for fast and stable wired internet High-Speed Performance supports up to 1000Mbps network speed Plug & Play installation on most systems Compact & Portable Design easy to carry anywhere Ideal for Work & Streaming improves stability for meetings and downloads Reliable Connection reduces lag compared to Wi-Fi Ideal for MacBooks, laptops, ultrabooks, desktops, and tablets that need a stable wired internet connection. Perfect for online meetings, remote work, gaming, IPTV, streaming, and downloading.
HP P22V G5 Monitor Overview The HP P22V G5 is a 22-inch Full HD monitor designed for daily work and home use. It offers reliable performance and a clean design. As a result, it suits offices, students, and remote workers. 22-Inch Full HD Display This monitor features a 22-inch Full HD resolution. Therefore, text appears sharp and easy to read. Moreover, images look clear and well-defined. Because of this, it supports long working sessions comfortably. In addition, the screen size fits well on most desks. As a result, it saves space without sacrificing clarity. 75Hz Refresh Rate for Smooth Viewing The monitor supports a 75Hz refresh rate. As a result, scrolling feels smoother than standard displays. Furthermore, everyday tasks look more fluid. This makes it suitable for office work and casual entertainment. Eye Comfort and Productivity The HP P22V G5 includes eye comfort features. Therefore, it helps reduce eye strain during long use. In addition, the anti-glare screen improves visibility. As a result, users stay focused throughout the day. Connectivity and Compatibility This monitor includes HDMI and VGA ports. As a result, it connects easily to modern and older devices. Moreover, it supports a wide range of PCs and laptops. Therefore, setup is quick and simple. Design and Mounting Options The monitor features a clean and professional design. In addition, it supports VESA mounting. As a result, users can create a flexible workspace. Everyday Use and Reliability This monitor delivers stable performance for daily tasks. Moreover, it focuses on durability and efficiency. In conclusion, it is a practical choice for work environments. Specifications: Display : 21.45″ VA Resolution : FHD (1920 X 1080) Refresh Rate : 75 Hz Response Rate : 5ms GtG
lenovo battery L16L2PB2 L16M2PB1 L16S2PB2 L16C2PB2 Laptop Notebook Battery for Lenovo 5000-15 2ICP6/55/90 Series 7.4V 30Wh 4050mAh About this item Condition: New Voltage: 7.4V Capacity: 30Wh/4050mAh Replace Part Number: L16M2PB1 L16L2PB2 L16M2PB2 L16S2PB1 L16L2PB3 L16C2PB1 L17L2PF1 L17M2PB7 L16C2PB2 L16L2PB1 L16M2PB3 2ICP6/55/90 Fit For: Lenovo 5000-15 Series Raise the battery life: 1: After receiving the battery, Please charge it fully, discharge it to around 10, and do it three times. 2: If you don’t use the battery for a long time, please charge and discharge it once a month
The AOC G2460PF 24″ gaming LCD monitor offers fast and smooth visuals for competitive play and everyday use. Its Full HD panel displays sharp images and crisp text for work and gaming. In addition, the 144 Hz refresh rate keeps motion fluid, helping reduce blur in fast action scenes. The monitor also supports adaptive sync technology, which helps reduce screen tearing during gameplay. Furthermore, its ergonomic stand allows tilt, swivel, and height adjustments so you can set it to your most comfortable position. The monitor includes DisplayPort, HDMI, and VGA inputs, making it easy to connect gaming consoles, PCs, or media players without extra adapters. Therefore, this model fits well in gaming rooms and workspaces alike. Overall, the AOC G2460PF balances speed, smooth visuals, and flexible connections in a reliable 24‑inch display. Specifications: 24″ Full HD (1920×1080) display with sharp visuals 144 Hz refresh rate for fluid motion in games Adaptive sync support to reduce screen tearing Ergonomic stand with tilt, swivel, height adjustment DisplayPort, HDMI, VGA inputs, ideal for gaming and work
The BenQ GL2780 27″ 75Hz Monitor is a practical and affordable choice for everyday use and light gaming. It features a 27-inch Full HD screen that delivers sharp visuals and clear details for work or play. The monitor offers a 75Hz refresh rate and a fast 1ms response time for smooth motion and reduced blur. Its LED backlight provides good brightness, while the anti-glare screen helps reduce reflections in bright rooms. With BenQ Eye-Care technology, including Flicker-Free and Low Blue Light modes, your eyes stay comfortable longer. The Brightness Intelligence feature adjusts the screen brightness based on room lighting for better viewing. You can connect the monitor easily using HDMI, DisplayPort, VGA, or DVI-D inputs, giving flexibility with devices. It also includes built-in 2W speakers and a headphone jack for simple audio without needing extras. The stand allows tilt adjustment, so you can set the best viewing angle for your desk setup. It’s also VESA mount compatible, giving you the option to mount it on a wall or arm. The design is sleek and clean, fitting nicely in any home office, school, or entertainment space. With solid performance and user-friendly features, it’s a great option for students, professionals, and casual gamers. The BenQ GL2780 27″ 75Hz Monitor offers reliable performance, smooth visuals, and great eye comfort at a budget-friendly price. Specifications: Display : 27″ Resolution : FHD 1920 x 1080 Refresh Rate : 75Hz Response Time : 1ms Speaker : Integrated
The ViewSonic VX3211-4K-mhd 32″ 4K Monitor is designed to transform your visual experience. Whether you’re working, gaming, or watching movies, this monitor delivers crystal-clear images with incredible detail. Featuring a stunning 32-inch 4K UHD display, the ViewSonic VX3211-4K-mhd provides four times the resolution of Full HD. This means you can enjoy sharper images, vibrant colors, and exceptional clarity, making every detail come to life. The ViewSonic VX3211-4K-mhd supports a wide color gamut, ensuring that colors are accurate and true to life. This makes it an excellent choice for graphic designers, photographers, and video editors who need precise color reproduction. With multiple connectivity options, including HDMI, DisplayPort, and Mini DisplayPort, the ViewSonic VX3211-4K-mhd offers versatility for connecting various devices. Whether you’re connecting a computer, gaming console, or other multimedia devices, this monitor has you covered. The ViewSonic VX3211-4K-mhd also features advanced eye care technology. Flicker-Free and Blue Light Filter functions help reduce eye strain during extended viewing sessions, making it comfortable for long hours of work or entertainment. This monitor is also designed with an ultra-slim bezel, offering a sleek and modern look that complements any workspace or gaming setup. Its VESA compatibility allows for easy mounting, giving you the flexibility to set it up the way you like. In conclusion, the ViewSonic VX3211-4K-mhd 32″ 4K Monitor offers stunning visuals, vibrant colors, and versatile connectivity. Upgrade your display today and experience the difference that 4K resolution can make. Specifications: Display : 32″ UHD Resolution : 4K (3840×2160) Refresh Rate : 60Hz Response Rate : 3ms
The HUAWEI IdeaHub Board 2 IHB2-65SU is a 65-inch intelligent collaboration display designed for meetings, classrooms, and hybrid work environments. It combines a 4K UHD interactive touchscreen with built-in collaboration tools for writing, presenting, and video communication. Additionally, it supports smooth interaction for real-time teamwork. Moreover, it features a 65-inch 4K (3840 × 2160) infrared multi-touch screen with up to 20 touch points. Therefore, users can write and interact accurately during meetings and lessons. Furthermore, Huawei designs it with ultra-low writing latency of around 16–25 ms. So, writing feels natural and responsive like a real whiteboard. It also includes anti-glare and zero-gap bonding for clearer visuals. In addition, it integrates a 4K display system with built-in speakers and microphone support. Therefore, it improves audio-visual communication for hybrid meetings and presentations. It also supports dual Wi-Fi and wireless projection from multiple devices. Also, it runs on Android-based system support with optional Windows OPS integration. So, it fits different enterprise IT environments and meeting setups. Overall, the Huawei IdeaHub Board 2 IHB2-65SU delivers interactive 4K collaboration, smooth writing performance, and flexible connectivity for modern workplaces and education spaces. Specifications: 65-inch 4K UHD infrared touch display Up to 20-point multi-touch support Ultra-low writing latency (~16–25 ms) Built-in speakers and conferencing support Wireless projection with dual Wi-Fi connectivity
