OEM-quality trackpad replacement (without flex cable) for MacBook Air 13″ (Model A2179, 2020)—available in Space Gray and Silver finishes—engineered for precise Force Touch performance, smooth multi-touch gestures, and seamless visual integration. Compatible With: MacBook Air 13-inch (2020, Model A2179) with Intel Core i3/i5/i7 processors (non-M1). Part Type: Trackpad only—does not include the flex cable, Taptic Engine, or mounting hardware. Designed for technicians who will reuse the original internal components. Color Options: Space Gray: Matches Space Gray and Midnight finishes Silver: Matches Silver and Starlight finishes (Note: “Z1” typically refers to Apple’s internal regional/part code—this listing covers standard OEM trackpads for A2179.) Space Gray: Matches Space Gray and Midnight finishes Silver: Matches Silver and Starlight finishes (Note: “Z1” typically refers to Apple’s internal regional/part code—this listing covers standard OEM trackpads for A2179.) Force Touch Capable: Fully supports pressure-sensitive input and haptic feedback when paired with the original Taptic Engine and logic board—ensuring full macOS gesture functionality. Precision Build: Mirror-smooth glass surface with exact curvature, texture, and micro-click mechanism matching Apple’s original design for consistent tracking and tactile response. Installation Requirements: Requires full bottom case disassembly and careful transfer of the original flex cable and Taptic Engine. Proper adhesive application is critical for structural integrity and sensor alignment. Recommended for professional or experienced repair technicians only. Important: This is a bare trackpad assembly—not a plug-and-play module. Functionality depends on correct integration with original electronics.
Aoc Agon 24-inch WQHD 165Hz Gaming Monitor Product Details Size: 23.8 inches. Panel Type: TN (16.7 Million Colours with 170/160 º viewing angles). Resolution: 2K / WQHD (2560x1440p). Refresh Rate: 165Hz. Respomse Time: 1 ms (GTG). Aspect Ratio: 16:9. Sync Technology: Nvidia G-Sync. Brightness: 350 cd/m2. Contrast Ratio: Static: 1000:1, Dynamic: 50M:1 Anti-Glare 3H hard coating with an Ultra Narrow bezel. Adjustable Height within a 13cm range. Tilt Adjustment: -3.5° ~ +21.5°. Swivel: -20° ~ +20°. Pivots up to 90°. VESA Wall Mounting : 100x100mm. (x2) 2W built-in speakers with microphone. Ports: (x1) HDMI 1.4 (x1) DisplayPort 1.2 (x4) USB-A 3.0 (x1) USB-B (x1) 3.5mm audio jack Dimensions (incl base): 55.5 x 21.3 x 49 cm. Lowblue Light mode: Protection from eye strain without sacrificing color composition. Specifications: Aoc Agon 24-inch WQHD 165Hz Gaming Monitor Size: 23.8 inches. Panel Type: TN (16.7 Million Colours with 170/160 º viewing angles). Resolution: 2K / WQHD (2560x1440p). Refresh Rate: 165Hz.
New A1932 A2179 A2337 DC in Power Jack Connector for Macbook Air 13" Type-C USB-C Power 821-01658-A 2018 2019 2020 Year New A1932 A2179 A2337 DC in Power Jack Connector for Macbook Air 13″ Type-C USB-C Power 821-01658-A 2018 2019 2020 Year About this item New A1932 A2179 A2337 DC Jack Power DC-in Board for MacBook Retina 13″ DC Power Jack Board We have good after-sales services. We share the latest information on laptop spare parts in the Chinese market with all our customers. This is NOT an easy job for someone with no technical skills in Disassembling or Assembling a laptop, So only purchase this item if you know how to install it. Each DC Board is tested before shipping and working.
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
The HP V28 4K Monitor delivers sharp and vivid visuals for work and entertainment.It features a 28-inch 4K UHD display that shows lifelike detail and rich color.Moreover, the slim design fits well on desks at home and in office setups. This monitor uses an advanced panel for wide viewing angles and consistent color from different positions.Additionally, the 4K resolution brings out clear text and crisp images for videos and photos.Anti-glare coating helps reduce reflections in bright lighting. The HP V28 4K also includes HDMI and DisplayPort inputs for flexible connectivity.Furthermore, tilt adjustment lets you find a comfortable viewing angle.Low blue light and flicker-free features help reduce eye strain during long use. This display suits professionals, content creators, and home users alike.Therefore, it supports productivity, creative work, and media streaming.Finally, it combines high picture quality, versatile connections, and comfort features for everyday use. Specifications: 28″ 4K UHD (3840 × 2160) panel HDMI + DisplayPort ports for flexible connection Anti-glare coating for comfortable viewing Tilt-adjustable stand for ergonomic use Wide viewing angles for consistent color
The MSI MAG 274QRF QD E2 Gaming Monitor is designed to take your gaming to the next level. With its 27-inch QHD display, you’ll enjoy crystal-clear visuals and vibrant colors that bring your games to life. This monitor features Quantum Dot technology, which enhances color accuracy and brightness. The MSI MAG 274QRF QD E2 delivers a rich and immersive visual experience. Thanks to its 165Hz refresh rate and 1ms response time, the MSI MAG Gaming Monitor ensures smooth and lag-free gameplay. You’ll experience every movement with precision, giving you a competitive edge in any game. The monitor supports NVIDIA G-SYNC technology, which synchronizes the monitor’s refresh rate with your graphics card. This eliminates screen tearing and stuttering, providing a seamless and fluid gaming experience. Designed for comfort during long gaming sessions, the MSI MAG 274QRF QD E2 features an ergonomic stand with adjustable height, tilt, and swivel. You can easily customize the monitor’s position to suit your preferred viewing angle. Connectivity is made easy with multiple ports, including DisplayPort, HDMI, and USB. This ensures compatibility with a wide range of gaming systems and peripherals, so you can set up your gaming station just the way you like it. In conclusion, the MSI MAG 274QRF QD E2 Gaming Monitor combines stunning visuals, fast performance, and ergonomic design for an unparalleled gaming experience. Upgrade to this monitor and immerse yourself in the world of gaming like never before. Specifications: Display : 27″ Rapid IPS Screen : 2560 x 1440 (WQHD) Refresh Rate : 180Hz Response Time : 1ms
The Samsung Odyssey Neo G9 57″ 240Hz Curved Gaming Monitor redefines the gaming experience. It features a massive 57-inch curved display with ultra-wide dual 4K resolution. Every detail appears sharp, bright, and incredibly lifelike. The 1000R curve wraps around your vision perfectly. It makes gameplay more immersive and natural for your eyes. You feel fully surrounded by the action every time you play. With a 240Hz refresh rate, motion stays ultra-smooth and responsive. Fast-paced scenes and intense battles run without lag or tearing. Gamers can react instantly and stay one step ahead. The Quantum Mini LED technology delivers outstanding contrast and brightness. Blacks are deeper, highlights are brighter, and colors stay true. HDR support ensures every game looks cinematic and vibrant. Connectivity is modern and versatile. It includes DisplayPort 2.1, HDMI 2.1, and USB ports for easy setup. You can connect multiple devices and switch effortlessly. The sleek design stands out in any setup. The adjustable stand allows height, tilt, and swivel control. RGB CoreSync lighting adds style that matches your gameplay. Multitasking is simple with Picture-by-Picture and Picture-in-Picture modes. You can game, stream, or work on one massive screen. It’s perfect for gamers and professionals alike. The Samsung Odyssey Neo G9 57″ 240Hz Curved Gaming Monitor combines power, style, and precision. It’s the ultimate choice for next-generation gaming and performance. Specifications: Display : 57″ VA Curvature : 1000R Resolution : Dual UHD (7,680 x 2,160) Refresh Rate : 240Hz Response Rate : 1ms GTG
The HP P24V G5 FHD VA monitor delivers clear and vibrant visuals with its 24‑inch Full HD display. As a result, it makes everyday computing, work tasks, and media viewing more enjoyable with sharp detail and rich colors. In addition, the VA panel provides wide viewing angles, so the image stays consistent even when you move around your desk. Furthermore, this monitor includes fast response times that help reduce motion blur when watching videos or casual gaming. It also offers essential connectivity options, making it easy to connect laptops, desktops, or media players without adapter hassles. Therefore, it fits well in both home and office setups. Overall, the HP P24V G5 strikes a good balance between performance and practicality, giving users dependable display quality at an affordable level. Specifications: 24″ Full HD VA display with wide viewing angles Clear visuals and vibrant colors Fast response for smooth motion Essential connectivity for multiple devices Ideal for everyday work and entertainment use
Are you ready to take your gaming to the next level? Look no further than the Viewsonic VX2728J 27″ 180Hz gaming monitor. With its stunning display and lightning-fast refresh rate, you’ll enjoy an unparalleled gaming experience. Firstly, let’s talk about the impressive 27-inch screen size. Immerse yourself in the action with crisp, clear visuals that bring every game to life. Whether you’re exploring vast open worlds or engaging in intense multiplayer battles, every detail will be vivid and immersive. Moreover, the 180Hz refresh rate ensures silky-smooth gameplay with no motion blur or tearing. Say goodbye to choppy frame rates and hello to fluid, responsive gameplay. With this monitor, you’ll have the competitive edge you need to dominate the competition. In addition to its performance, the Viewsonic VX2728J boasts vibrant colors and deep contrasts. Experience games the way they were meant to be seen, with rich, true-to-life hues that make every scene pop. Whether you’re exploring lush environments or navigating dark corridors, you’ll see every detail with stunning clarity. Furthermore, this monitor is packed with features designed to enhance your gaming experience. From customizable settings to advanced connectivity options, you’ll have everything you need to optimize your setup for peak performance. Say goodbye to compromises and hello to gaming greatness. In conclusion, if you’re serious about gaming, the Viewsonic VX2728J 27″ 180Hz monitor is the perfect choice. With its stunning display, lightning-fast refresh rate, and advanced features, it’s the ultimate gaming companion. Upgrade your setup and elevate your gaming experience today! Specifications: Display : 27″ Fast IPS Resolution : 1920 x 1080 FHD Refresh Rate : 180Hz Response Rate : 0.5ms Adjustable Height : 0~130mm Pivot : 0° ~ 90° Swivel : -15° ~ 15° Tilt : -5° ~ 20°
The Samsung 55″ OLED 4K S85F Vision AI Smart TV QA55S85FAEXTW delivers a premium home entertainment experience built on advanced OLED technology. It produces deep blacks, rich colors, and strong contrast, so movies, sports, and games look more realistic and immersive on the 55-inch screen. OLED technology controls each pixel individually, so every detail appears with high precision. This improves dark scenes by keeping blacks deep and detailed, while bright areas stay clean and accurate. As a result, the picture remains balanced in both bright and dark environments. Samsung Vision AI improves picture and sound in real time. It analyzes each scene and adjusts brightness, color, and sharpness automatically. Therefore, the Samsung 55 OLED S85F Vision AI Smart TV QA55S85FAEXTW always delivers optimized visuals without manual settings. In addition, AI upscaling improves lower-resolution content closer to 4K quality for better clarity and detail. HDR expands contrast and color depth, making visuals more lifelike and dynamic. Fast motion also appears smoother and clearer, which improves sports and action viewing. The Smart TV system gives access to streaming apps, games, and smart home features. It runs smoothly and is easy to navigate. In addition, the slim design with thin bezels gives the Samsung 55 OLED S85F Vision AI Smart TV QA55S85FAEXTW a modern and premium look. Overall, this Samsung OLED TV combines strong picture quality, AI optimization, and smart connectivity for a high-end viewing experience. Specifications: OLED display delivers deep blacks and strong contrast 55-inch 4K screen provides immersive viewing experience Vision AI optimizes picture and sound automatically HDR improves brightness, contrast, and color depth Smart TV system supports apps, streaming, and smart features
The HP 32S 32″ Monitor delivers large, clear visuals for work, media, and everyday use.It features a 32‑inch Full HD screen that shows sharp images and smooth video.Moreover, the slim and modern design fits well on home and office desks. This monitor uses an LED panel for bright color and solid picture quality.Additionally, wide viewing angles help keep visuals consistent from different positions.Anti‑glare coating helps reduce reflections in bright rooms. The HP 32S also includes HDMI and VGA ports for flexible connectivity.Furthermore, tilt adjustment lets you find a comfortable viewing angle.Low blue light and flicker‑free features help reduce eye strain during long use. This display works well for students, professionals, and home users alike.Therefore, it supports productivity, browsing, streaming, and casual gaming.Finally, it combines solid performance, easy setup, and comfort features for everyday use. Specifications: 32″ Full HD (1920 × 1080) LED panel HDMI + VGA ports for PC and device connection Anti‑glare coating for comfortable viewing Tilt‑adjustable stand for ergonomic use Low blue light and flicker‑free eye care
The Asus TUF Gaming VG24VQER 24″ FHD 180Hz Curved Monitor offers smooth and responsive gameplay. It delivers sharp Full HD visuals with strong clarity. The curved screen pulls you into the action. This creates a more immersive gaming experience. Moreover, the Asus TUF Gaming 24″ FHD 180Hz Curved Monitor features a fast 180Hz refresh rate. This reduces motion blur during fast scenes. It also improves reaction time in competitive games. Every frame appears clean and stable. In addition, the monitor includes Adaptive Sync support. This helps remove screen tearing and stuttering. Your gameplay stays smooth even during heavy movement. This makes every moment feel more controlled. Furthermore, the Asus TUF Gaming VG24VQER 24″ FHD 180Hz Curved Monitor offers a curved VA panel. The colors look rich and deep on the screen. The contrast levels stay strong during dark scenes. This enhances your overall viewing quality. Also, the monitor features eye-care technology. It reduces blue light and screen flicker. This helps protect your eyes during long gaming hours. You can play or work more comfortably. The design of the Asus TUF Gaming 24″ FHD 180Hz Curved Monitor looks modern and clean. The stand feels stable and adjustable. You can tilt the screen for better viewing comfort. This makes it great for gaming desks and home setups. Overall, the Asus TUF Gaming VG24VQER 24″ FHD 180Hz Curved Monitor delivers smooth motion, bright visuals, and immersive gameplay. It offers strong performance for competitive players. It is an excellent option for gamers who want speed, comfort, and quality in one monitor. Specifications: Display : 24″ VA Resolution : FHD Refresh Rate : 180Hz Response Time : 1ms Curvature : 1500R
The Samsung 75″ QLED 4K Q60F Smart TV QA75Q6FAAUXTW delivers a large-screen entertainment experience with advanced QLED display technology. It produces bright colors, sharp details, and impressive clarity, making movies, sports, and games more enjoyable on the expansive 75-inch screen. QLED technology uses Quantum Dot enhancement to improve color accuracy and brightness. As a result, images appear vivid and lifelike across a wide range of content. Dark scenes retain detail, while bright scenes remain balanced and clear. This helps create a consistent viewing experience throughout the day. The 4K UHD resolution provides four times the detail of Full HD content. Therefore, images look sharper and more refined. In addition, Samsung’s processing technology enhances lower-resolution content, helping it appear clearer and closer to 4K quality. HDR support improves contrast and expands the range of visible colors. This allows brighter highlights and deeper shadows, creating a more realistic picture. Fast-moving scenes also appear smoother, making sports broadcasts and action movies more enjoyable to watch. The Smart TV platform offers convenient access to popular streaming services, apps, and connected home features. It responds quickly and provides an easy-to-use interface for everyday entertainment. In addition, the slim design and narrow bezels give the Samsung QLED 75 4K Q60F Smart TV QA75Q6FAAUXTW a modern appearance that complements a variety of living spaces. Overall, this Samsung QLED TV combines large-screen immersion, vibrant color performance, and smart connectivity for a reliable home entertainment solution. Specifications: QLED technology delivers vibrant colors and enhanced brightness 75-inch 4K UHD display provides immersive viewing HDR improves contrast and image realism Smart TV platform supports streaming apps and connected features Slim design complements modern living spaces
product name : AOpen 24″ Curved LED Monitor Dive deep into the game and immerse yourself in super sharp colors with the FHD 1800R curved display. Get lag free entertainment with AMD® Radeon FreeSync™, 144Hz refresh rate, and a 4ms response time of the AOpen 24″ Curved LED Monitor. Experience more cinematic, immersive gameplay and reduced eye strain with a sleek-looking 1800R curved screen. With Radeon FreeSync™, the monitor’s framerate is synced with that of the graphics card, which eliminates screen tearing and delivers an ultra-smooth gaming experience. Enjoy clearer, more immersive gameplay without blurring thanks to a rapid response time of 4ms. Protect your eyes from unnecessary strain by utilizing BlueLightShield™ technology. Eliminate annoying screen flicker and reduce the risk of eye strain with Flickerless™ technology. AOpen 24″ Curved LED Monitor Color Black Display Size 23.6 Active Display Area(mm) 521.4×293.28 Panel type VA Max. Resolution and Refresh Rate DVI-D/DP: 1920×1080 @144Hz HDMI: 1920×1080 @120Hz Glare NA Response Time 4ms Contrast Ratio 100 million:1 max (ACM) Brightness 250(cd/m2) Viewing Angle 178°(H),178°(V) Colors 16.7M Color gamut 84% NTSC Bits 8Bit Input Signal DVI+HDMI+Displayport VESA Wall Mounting NA Speaker NA Power Supply (100 – 240 V) External Tilt -5°~ 20° Specifications: Experience more cinematic, immersive gameplay and reduced eye strain with a sleek-looking 1800R curved screen. 144Hz refresh rate, and a 4ms response time Experience ultra-smooth gameplay with faster frame rendering and lower input lag with a rapid refresh rate of 144Hz. manufacturer link 1 year warranty
LG UltraFine 27 inch 4K UHD IPS Monitor 27UN880 is designed for clear visuals and flexible workspace setup. It features a 27-inch IPS display with 4K UHD resolution and USB Type-C connectivity. Additionally, it supports VESA DisplayHDR 400 and sRGB 99% color coverage. Therefore, it works well for office tasks, creative work, and content viewing. The LG UltraFine 27 inch 4K UHD IPS Monitor 27UN880 delivers 3840 × 2160 resolution with a 60Hz refresh rate and 5ms response time. Moreover, it includes 350 nits brightness and a 1000:1 contrast ratio for balanced image quality. It provides USB Type-C with 60W power delivery, two HDMI ports, one DisplayPort, and headphone out. In addition, the Ergo Stand supports extend, retract, swivel, height, pivot, and tilt adjustment for better comfort. Furthermore, the monitor includes AMD FreeSync, Reader Mode, Flicker Safe, and built-in speakers for smoother daily use. As a result, users can improve comfort and workflow during long sessions. It also supports VESA 100 × 100 wall mounting for flexible desk arrangements. Specifications: 27-inch IPS display with 3840 × 2160 4K UHD resolution USB Type-C with 60W power delivery VESA DisplayHDR 400 with sRGB 99% color gamut Ergo Stand with full ergonomic adjustment HDMI, DisplayPort, USB hub, and built-in speakers
WiWU Waterproof Large Capacity Minimalist Backpack Business Laptop Backpack Bags with Multi-Pockets For digital gadgets Minimalist Style Water-resistant material,Polyester Large Capacity Have Stock Size:15.6 inch
MSI Modern MD272XP Monitor Are you searching for a monitor that can help you level up your productivity, whether at work or in your home office? Look no further than the MSI Modern MD272XP monitor. It’s an efficient and feature-packed solution tailored to meet your professional needs. First and foremost, the MSI Modern MD272XP features a spacious 27-inch display, providing ample screen real estate for your tasks. Whether you’re working on documents, spreadsheets, or simply browsing the web, this monitor offers a comfortable and efficient workspace. In addition to its size, the monitor offers a crisp and clear Full HD resolution. This ensures that text, images, and videos are displayed with exceptional clarity, enhancing your overall viewing experience. Furthermore, the anti-glare technology incorporated into the monitor allows you to work for extended periods without straining your eyes. This feature remains effective even in well-lit environments, reducing potential discomfort. Connectivity is a breeze thanks to the HDMI and DisplayPort ports, accommodating various devices such as laptops and desktops. This flexibility ensures seamless transitions between work and personal tasks. The MSI Modern MD272XP features a sleek, modern design that seamlessly integrates into any office or home office setup, adding a touch of sophistication to your workspace. For ergonomic comfort, the monitor offers tilt adjustability. This feature enables you to find the perfect viewing angle for your specific needs, minimizing discomfort during extended work hours. Specifications: Screen Size : 27″ Resolution : 1920 x 1080 (FHD) Refresh Rate : 100Hz Response Time : 1ms (MPRT) / 4ms (GTG) Panel Type : IPS Viewing Angles : 178°(H) / 178°(V) Aspect Ratio : 16:9 Contrast Ratio : 1000:1
The S3 2-in-1 Bluetooth Headset and Speaker is a versatile audio device that seamlessly transitions between personal listening and shared sound experiences. Designed for both convenience and high-quality audio performance, it caters to diverse user needs. Key Features: Dual Functionality: Operate as traditional over-ear headphones for private listening or twist the earcups outward to activate the external speaker mode, allowing you to share music with others. Superior Sound Quality: Equipped with advanced audio technology, the S3 delivers crisp and clear sound in both headphone and speaker modes, ensuring an immersive listening experience. Active Noise Cancellation (ANC): Reduces ambient noise, enabling users to enjoy music without external interruptions. Comfortable Design: Features extra-padded ear cushions and an adjustable headband, providing long-lasting comfort for extended use. Foldable and Portable: The foldable design makes it easy to carry, making it an ideal companion for travel and daily commutes. Multiple Playback Options: Supports Bluetooth 5.0 for wireless streaming, NFC for quick pairing, TF card slot for direct music playback, and FM radio functionality, offering a variety of listening choices. Long Battery Life: Built-in 600mAh rechargeable battery provides up to 14 hours of playback in headphone mode and 6.5 hours in speaker mode, ensuring uninterrupted entertainment. Integrated Controls and Microphone: Built-in controls allow for easy navigation between tracks, volume adjustment, and call management. The integrated microphone ensures clear hands-free communication.
New BT04XL 14.8V 52WH Notebook Battery for HP EliteBook Folio 9470 9470M 9480m Ultrabook BT04 BA06 HSTNN-IB3Z HSTNN-I10C 687945-001 H4Q47AA 687517-241 HSTNN-DB3Z 687517-171 BA06XL H4Q48AA About this item Battery type: Li-ion; Capacity: 52WH; Voltage: 14.8V; Cells: 6-cell. The battery compatible with P/N.: Spare 687517-171 687517-241 687945-001 696621-001; EliteBook Folio 9470 9470M 9480 9480M Series; fits HSTNN-DB3Z HSTNN-IB3Z HSTNN-I10C 687517-1C1 BT04 BT04XL BA06 BA06XL H4Q47AA H4Q48AA 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Grade A cells ensure fast charges and low power consumption. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. Brand new from Manufacturer. Up to 500 recharge cycles over the life of the battery. Operation time for standard batteries: Around1.5~3.5 hours, the actual operation time will depend on how much electricity is required by the device and how you use it.
The Dell OptiPlex 7050 Micro combines compact design and solid performance with an Intel Core i5 6th Gen processor, DDR4 RAM options, and SSD storage options. Ideal for business and home use, it delivers reliable speed, energy efficiency, and space-saving desktop performance.
