C21N1509 Laptop Battery Replacement for Asus Vivobook X556UA X556UB X556UF X556UJ X556UQ X556UQK X556UR X556UV K556U K556UA K556UB K556UF K556UJ K556UQ K556UR A556U A556UA A556UB A556UF(7.6V 38Wh) About this item Battery Type: Li-ion Voltage: 7.6V Capacity:38Wh Compatible Part Number: C21N1509 C21N15WZ C21PQ9H 0B200-01750000 Fits Model:Asus Vivobook X556 X556U X556UA X556UB X556UF X556UJ X556UQ X556UR X556UV K556 K556U K556UA K556UB K556UF K556UJ K556UQ K556UR K556UV F556U F556UA F556UB F556UF F556UJ F556UQ F556UR F556UV A556U A556UA A556UB A556UF A556UJ A556UQ A556UR A556UV Series New from Manufacturer. CE-/FCC-/RoHS-Certified for safety.
The Samsung S3 Essential (D362) 27″ Full‑HD VA Curved Monitor (LS27D362GAMXUE) offers a large curved screen with a 100 Hz refresh rate for smoother motion in games and videos. Additionally, the VA panel produces deep contrast with wide viewing angles for everyday computing, entertainment, and casual gaming. The monitor also supports Game Mode to optimize color and image contrast for more vivid scenes. Moreover, advanced eye comfort technologies such as Eye Saver Mode and flicker‑free operation help reduce eye strain during long sessions. Therefore, it supports extended use for work or entertainment without discomfort. The curved design enhances immersion and helps minimize peripheral distractions. Furthermore, connectivity includes HDMI and VGA ports for easy connection to PCs and other devices. The monitor also includes a headphone jack for audio output. It comes with a stand that allows tilt adjustment, and it supports VESA wall mounting for flexible setups. The monitor is backed by a three‑year warranty for peace of mind. Specifications: 27″ curved VA panel with Full HD (1920 × 1080) resolution for clear visuals 100 Hz refresh rate for smoother motion in games and videos Game Mode optimizes color and contrast for more vivid scenes Eye Saver Mode and flicker‑free technology reduce eye strain HDMI and VGA connectivity plus headphone jack for flexible connections
AOC 27G4 27-inch 180Hz gaming monitor delivers fast and responsive performance for competitive gameplay. It focuses on smooth motion, low latency, and reliable visual clarity for daily gaming. Additionally, it features a 27-inch IPS panel with Full HD resolution (1920 × 1080). This panel provides consistent colors and wide viewing angles, so it improves both gaming and general use. Moreover, the monitor supports a 180Hz refresh rate with 1ms GtG response time. As a result, it delivers smooth motion and reduces blur during fast-paced scenes. The display also includes 0.5ms MPRT technology. Therefore, it minimizes ghosting and improves motion clarity in competitive games. In addition, it supports Adaptive Sync and G-SYNC compatibility. This reduces screen tearing and stuttering, so gameplay remains stable and responsive. Furthermore, it includes HDR10 support and Low Input Lag mode. These features enhance image quality and improve reaction speed during gameplay. The design features a three-sided frameless layout with HDMI and DisplayPort connectivity. It also supports VESA mounting for flexible setup options. AOC 27G4 27-inch 180Hz gaming monitor provides smooth performance, fast response, and essential features for competitive and everyday gaming. Specifications: 27-inch IPS panel with Full HD 1920 × 1080 resolution 180Hz refresh rate for ultra-smooth gameplay 1ms GtG response time with 0.5ms MPRT support Adaptive Sync and G-SYNC compatible technology HDR10 support with low input lag mode
Dell 19.5V 4.62A 90 Watt Replacement Laptop Adapter/Charger New Small Pin 4.5 x 3.0 mm for Dell Latitude 3500 3379 3400 3301 3590 3490 7370, RWHHR, 450-AECO (Power Cord Included)
TP-Link AC1200 Archer C50 Wireless Dual Band Router Support smooth 4K streaming with AC1200 Wi-Fi 4 external antennas provide stable wireless connections and optimal coverage Easy network management at your fingertips with TP-Link Tether Supports IGMP Proxy/Snooping, Bridge, and Tag VLAN to optimize IPTV streaming Supports Access Point mode to create a new Wi-Fi access point TP-Link AC1200 Archer C50 Wireless Dual Band Router Support smooth 4K streaming with AC1200 Wi-Fi 4 external antennas provide stable wireless connections and optimal coverage Easy network management at your fingertips with TP-Link Tether Supports IGMP Proxy/Snooping, Bridge, and Tag VLAN to optimize IPTV streaming Supports Access Point mode to create a new Wi-Fi access point TP-Link Archer C50 – AC1200 Wireless Dual Band Router Wireless Speed: Up to 1200 Mbps (300 Mbps on 2.4GHz + 867 Mbps on 5GHz) Wi-Fi Standard: 802.11ac – 3x faster than wireless N speeds Bands: Dual Band (2.4GHz & 5GHz) for reduced interference and better performance Antenna: 4 External Antennas for strong and stable wireless coverage Ports: 4× LAN, 1× WAN (10/100 Mbps) Advanced Features: Parental Controls, Guest Network, IPv6 Support, Access Control Security: WPA/WPA2 encryption for secure wireless connections Ease of Use: Easy setup with TP-Link Tether App Ideal For: HD streaming, online gaming, and high-speed downloads in homes and small offices
ViewSonic XG272-2K-OLED 27″ 240Hz OLED Gaming Monitor is designed by ViewSonic for competitive gaming and high-end visual performance. ViewSonic builds this monitor to deliver ultra-fast response times, deep contrast, and smooth motion clarity for esports and AAA gaming. ViewSonic XG272-2K-OLED 27″ 240Hz OLED Gaming Monitor features a 2560 × 1440 QHD resolution for sharp image detail. Additionally, it uses OLED panel technology with a 240Hz refresh rate and an extremely fast ~0.02ms response time for smooth and blur-free gameplay. It supports high dynamic range with strong contrast performance thanks to OLED pixel-level lighting. Moreover, it delivers wide color coverage and deep blacks for more immersive visuals during gaming and media use. The monitor supports adaptive sync technologies such as FreeSync Premium and G-Sync compatibility. Therefore, it reduces screen tearing and improves smoothness during fast-paced action scenes. ViewSonic includes versatile connectivity options such as HDMI 2.1, DisplayPort, and USB-C. Furthermore, it supports multiple device setups including PCs, consoles, and accessories through its integrated hub system. ViewSonic XG272-2K-OLED 27″ 240Hz OLED Gaming Monitor delivers ultra-fast response, high refresh rate performance, and premium OLED image quality for competitive and immersive gaming. Specifications: 27-inch QHD (2560×1440) OLED display 240Hz refresh rate for ultra-smooth motion ~0.02ms ultra-fast response time FreeSync Premium and G-Sync compatibility HDMI 2.1, DisplayPort, and USB-C connectivity
Looking for a monitor that delivers unparalleled visual performance? Look no further than the ViewSonic ColorPro 32″ 4K Monitor. With its cutting-edge technology and sleek design, it’s the ultimate choice for professionals and enthusiasts alike. Featuring a stunning 32-inch 4K display, this monitor brings your content to life with breathtaking clarity and detail. Whether you’re editing photos, designing graphics, or watching movies, every pixel pops with vivid color and crisp definition. Moreover, the ViewSonic ColorPro monitor is calibrated to deliver precise color accuracy, making it ideal for graphic design, photography, and video editing. Say goodbye to color distortion and enjoy true-to-life hues that enhance your creative workflow. But it’s not just about visuals—the ViewSonic ColorPro monitor also offers exceptional functionality. With advanced connectivity options like HDMI, DisplayPort, and USB-C, you can easily connect your devices for seamless multitasking. Additionally, the monitor’s ergonomic design ensures comfortable viewing during long hours of use. Adjustable tilt, swivel, and height settings allow you to find the perfect position for maximum productivity and comfort. In summary, the ViewSonic ColorPro 32″ 4K Monitor combines stunning visuals, precise color accuracy, and versatile connectivity to deliver an unparalleled viewing experience. Whether you’re a professional creator or a discerning enthusiast, elevate your display with ViewSonic ColorPro. Specifications: Display : 32″ IPS Resolution : 3840 x 2160 UHD Refresh Rate : 60Hz Response Rate : 5ms
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.
A rugged and versatile pre-owned Lenovo ThinkPad T480 with 14" touchscreen, 8th Gen Core i5, 8GB RAM, and 256GB SSD—ideal for professionals who need durability, security, and touch-enabled productivity.
The ViewSonic 22″ 60Hz Monitor offers a perfect blend of style and performance for your daily computing needs. Whether you’re working, watching videos, or browsing the web, this monitor delivers stunning visuals. Featuring a Full HD resolution of 1920×1080 pixels, the ViewSonic 22″ 60Hz Monitor provides sharp and clear images. You’ll enjoy every detail, from vibrant colors to crisp text, making it ideal for both work and entertainment. With a refresh rate of 60Hz, this monitor ensures smooth and fluid motion. Whether you’re watching videos or playing games, you’ll experience less lag and more enjoyment. The ViewSonic 22″ 60Hz Monitor is designed with user comfort in mind. Its flicker-free technology and blue light filter reduce eye strain, allowing you to work or play for longer periods without discomfort. Connectivity is simple with the ViewSonic 22″ 60Hz Monitor. It features VGA and HDMI inputs, making it easy to connect to your computer, laptop, or gaming console. You’ll have a seamless setup for all your devices. This monitor’s sleek and modern design adds a touch of elegance to any workspace. Its slim bezels provide a larger viewing area, giving you an immersive visual experience. In conclusion, the ViewSonic 22″ 60Hz Monitor is a reliable and stylish choice for anyone seeking quality visuals and performance. Upgrade your viewing experience with this exceptional monitor and enjoy clear, vibrant, and comfortable viewing every day. Specifications: Display : 22″ TN Resolution : FHD 1920 x 1080 Refresh Rate : 60Hz Response Rate : 2ms GTG
Genuine-spec Touch Bar assembly with integrated flex cable for 2020 MacBook Pro 13″ models (A2251, A2289, A2338)—restores full Touch ID and Touch Bar functionality with OEM-level fit and performance. Compatible With: MacBook Pro 13″ (2020): A2251 (Intel Core i5/i7, two Thunderbolt ports) A2289 (Intel Core i5/i7, four Thunderbolt ports) A2338 (Apple M1 chip, two Thunderbolt ports) MacBook Pro 13″ (2020): A2251 (Intel Core i5/i7, two Thunderbolt ports) A2289 (Intel Core i5/i7, four Thunderbolt ports) A2338 (Apple M1 chip, two Thunderbolt ports) A2251 (Intel Core i5/i7, two Thunderbolt ports) A2289 (Intel Core i5/i7, four Thunderbolt ports) A2338 (Apple M1 chip, two Thunderbolt ports) Includes: Complete Touch Bar module with integrated flex cable, Touch ID sensor, and ambient light sensor—ready for direct connection to the logic board. Functionality: Fully restores dynamic Touch Bar controls, system functions, app shortcuts, and Touch ID (fingerprint authentication and power button). OEM-Quality Build: Matches Apple’s original design in responsiveness, finish, and sensor alignment—ensures seamless integration with macOS. Color Options: Available in Space Gray and Silver to match your MacBook’s top case (confirm your model’s color before ordering). Installation Note: Requires full top case disassembly and careful handling of adhesive and connectors. The flex cable routes under the speakers and connects near the logic board—precision is essential. Recommended for experienced technicians.
A dependable pre-owned Dell Latitude 5470 with 14" display, 6th Gen Core i5, 8GB RAM, and 256GB SSD—offering solid business performance, security, and durability at an affordable price.
The Samsung 75″ QLED Q8F 4K Vision AI Smart TV (2025) | QA75Q8FAAUXTW delivers a premium viewing experience with advanced QLED display technology. It produces bright, sharp, and colorful images, so movies, sports, and games look highly immersive on the large 75-inch screen. QLED technology uses Quantum Dot enhancement to improve color accuracy and brightness performance. As a result, visuals appear more vibrant and balanced in both dark and bright scenes. This helps maintain consistent picture quality across different types of content and lighting conditions. Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, sharpness, and color for optimal viewing. Therefore, the TV consistently delivers improved visuals without manual tuning. In addition, AI upscaling improves lower-resolution content closer to 4K quality for better clarity and detail. HDR support expands contrast and color depth, making visuals more dynamic and lifelike. Fast motion handling also improves clarity, which enhances sports and action content by reducing blur and improving smoothness. The Smart TV platform provides easy access to streaming apps, gaming features, and smart home controls. It runs smoothly and allows quick switching between apps. In addition, the slim design with thin bezels gives the Samsung 75 QLED Q8F 4K Vision AI Smart TV (2025) | QA75Q8FAAUXTW a modern and premium appearance for large living spaces. Overall, this Samsung QLED TV combines strong brightness performance, AI optimization, and smart connectivity for a powerful home entertainment experience. Specifications: QLED technology delivers bright and vibrant picture quality 75-inch 4K display provides immersive viewing experience Vision AI enhances picture and sound automatically in real time HDR improves contrast, brightness, and color depth Smart TV platform supports apps, streaming, and smart features
The ViewSonic VA270-H 27″ FHD 100Hz Monitor delivers smooth and clear visuals for daily work and entertainment. Its Full HD resolution shows sharp text and clean image details. The large 27-inch screen gives more space for multitasking. This helps improve focus and comfort during long work sessions. Moreover, the ViewSonic VA270-H 27″ FHD 100Hz Monitor features a fast 100Hz refresh rate for smoother motion. Scrolling feels softer and more natural. Videos play with less blur and clearer movement. As a result, the viewing experience feels more comfortable. In addition, the monitor uses IPS panel technology for wide viewing angles. Colors stay clear and accurate from all sides. This helps during shared screen use and group work. The image remains bright and stable at every angle. Furthermore, the ViewSonic VA270-H 27″ FHD 100Hz Monitor includes eye comfort features for long daily use. The low blue light mode helps reduce eye strain. The flicker-free design supports long viewing without discomfort. These features protect your eyes during extended screen time. Also, the monitor provides flexible connection options for easy setup. It includes HDMI support for modern devices. You can connect laptops, desktops, and media players with ease. Switching between devices becomes fast and simple. In addition, the slim bezel design gives a clean and modern look. It fits well in both home and office spaces. The stand supports tilt adjustment for better viewing comfort. Wall mounting is also supported for clean desk setups. Moreover, the display works well for office work, browsing, and video streaming. Text appears clear and easy to read. Daily tasks feel more organized and comfortable. The large screen improves workflow and focus. Overall, the ViewSonic VA270-H 27″ FHD 100Hz Monitor offers clarity, smooth motion, and daily comfort. It supports work, study, and entertainment with ease. This monitor is a smart choice for users who want smooth performance and a large display. Specifications: Display : 27″ IPS Resolution : FHD 1920 x 1080 Refresh Rate : 100Hz Response Time : 1ms
Genuine-spec keyboard replacement for MacBook Pro 13″ (Model A2289, 2020) — available in US QWERTY or UK QWERTY (with £ symbol). Features Apple’s scissor-switch Magic Keyboard, backlighting, and OEM-fit design for reliable performance and seamless installation. Compatible With: MacBook Pro 13-inch (2020, Four Thunderbolt Ports, Model A2289, Model Identifier MacBookPro16,2) with Intel Core i5/i7 processors. Layout Options (select at purchase): US Layout: Standard QWERTY with wide Enter key, @ above 2, and # above 3. UK Layout: QWERTY with £ symbol, tall vertical Enter key, @ on right Alt, and UK-specific punctuation. US Layout: Standard QWERTY with wide Enter key, @ above 2, and # above 3. UK Layout: QWERTY with £ symbol, tall vertical Enter key, @ on right Alt, and UK-specific punctuation. Keyboard Type: Apple’s Magic Keyboard with scissor-switch mechanism—quieter, more stable, and more durable than earlier Butterfly designs. Integrated Features: Full backlighting for low-light use Ambient light sensor compatibility OEM-style flex cable pre-attached for direct logic board connection Full backlighting for low-light use Ambient light sensor compatibility OEM-style flex cable pre-attached for direct logic board connection Build & Fit: Engineered to exact Apple specifications—ensures perfect alignment, consistent key height, and flush integration into the original top case. Installation Note: Keyboard is glued into the top case and requires full disassembly, careful adhesive removal, and professional re-adhesion. Recommended for experienced or certified technicians only.
RK ROYAL KLUDGE RK61 Wireless 60% Mechanical Gaming Keyboard, Ultra-Compact 60 Keys Bluetooth Mechanical Keyboard with Programmable Software (Blue Switch, White) Model: RK ROYAL KLUDGE RK61 Layout: 60% compact layout (61 keys, no number pad or function row) Switch Type: Mechanical switches (Red – Linear, Blue – Clicky, Brown – Tactile) Connectivity: Bluetooth 5.0 (connects up to 3 devices) USB-C Wired Optional 2.4GHz Wireless (on some versions) Connectivity: Bluetooth 5.0 (connects up to 3 devices) USB-C Wired Optional 2.4GHz Wireless (on some versions) Backlight: RGB LED with 18+ lighting modes and effects Battery: 1450mAh rechargeable lithium battery Key Rollover: Full N-Key rollover, anti-ghosting Compatibility: Windows, macOS, Android, iOS Software Support: Key remapping and lighting customization (Windows only) Build Quality: ABS plastic frame, double-shot keycaps Dimensions: Approx. 290 x 100 x 40 mm Weight: ~500g Extras: Hot-swappable switch support (on select versions)
AOC 27G2SE 27-inch gaming monitor delivers smooth performance for competitive and casual gaming. It focuses on high refresh rate speed, responsive gameplay, and solid Full HD clarity. Additionally, it features a 27-inch VA panel with Full HD resolution (1920 × 1080). This panel provides strong contrast and clear visuals, so it improves overall image depth and readability. Moreover, it supports up to a 165Hz refresh rate. As a result, it delivers smoother motion compared to standard displays and reduces motion blur in fast-paced games. The monitor includes a 1ms MPRT response time. Therefore, it helps reduce ghosting and improves responsiveness during competitive gameplay. In addition, it uses FreeSync Premium technology. This reduces screen tearing and stuttering, so gameplay stays stable and fluid. Furthermore, it supports HDR mode and wide color coverage. So it enhances visual depth and improves color reproduction for games and media. AOC 27G2SE 27-inch gaming monitor provides a strong balance of smooth refresh rate performance, solid contrast, and essential gaming features for everyday use. Check out other option here! Specifications: 27-inch VA panel with Full HD 1920 × 1080 resolution 165Hz refresh rate for smooth gaming performance 1ms MPRT response time for reduced motion blur FreeSync Premium for tear-free gameplay HDR mode with wide color coverage
NB OMS040 OMS040 NB STAND DESK TV INNOVATIVE SIT STAND DESK MOUNT: UNIVERSAL COMPATIBILITY: Fits Most 22” – 32” Monitor with the load from4.4 lbs up to 33lbs, VESA compliant 75x75mm 100x100mm. Come with ultra-widekeyboard tray, 25.6″L x13.4”W. Keyboard Tray pull out range 2”(50mm). FULL MOTION MOUNT: A Wide range of movements, The monitor can berotated and tilted effortlessly in any direction, Tilt Angel from +9°to -12°with acombined +3°to -3° degree landscape rotation, Upright range is 17.1’’(435mm) withswivel angel ±90 degrees. The mounts extension and retraction 50.4’’ (1280 mm) and3.9’’ (100 mm) display height adjustment. EASY INSTALLATION: Built in durable gas-strut to hover at any workingpositions, Simple installation and easy to use, effortless operation; Switches fromsitting to standing position in just a few seconds. HAT6 STAND 6 LCD/LED DESK MOUNT 12”-24”-JTD003II6 -MAX-LOAD:10KG -TILT:+/-10 degree- SWIVEL:180 degree H148 Specifications: Specifications COMPATIBILITY: Fits Most 22” – 32” Monitor with the load from4.4 lbs up to 33lbs, VESA compliant 75x75mm 100x100mm. Come with ultra-widekeyboard tray, 25.6″L x13.4”W. Keyboard Tray pull out range 2”(50mm). FULL MOTION MOUNT: A Wide range of movements, The monitor can be rotated and tilted effortlessly in any direction
The MSI MAG 272F X24 is a 27‑inch FHD gaming monitor made for fast and fluid gameplay. It delivers vibrant Full HD visuals with a rapid 240 Hz refresh rate. Furthermore, its fast 0.5 ms response time helps reduce motion blur and ghosting for clearer action. This monitor uses Adaptive‑Sync technology, which improves smoothness and reduces tearing during high‑speed gaming. In addition, its panel offers wide viewing angles and consistent color performance, helping players see details clearly from different positions. Moreover, the display includes multiple connectivity options such as DisplayPort and HDMI, allowing easy setup with gaming PCs and consoles. Ergonomic adjustments support tilt and height changes for comfortable long sessions. As a result, the MSI MAG 272F X24 enhances both competitive play and casual gaming experiences. Specifications: 27‑inch FHD (1920 × 1080) display with 240 Hz refresh rate 0.5 ms response time for reduced motion blur Adaptive‑Sync for smooth gaming performance Multiple connectivity options including DisplayPort and HDMI Ergonomic tilt and height adjustment for comfortable use
The AOC Q27G3ZN 27″ 2K 260Hz Gaming Monitor delivers sharp visuals and ultra-smooth performance for gaming and media. Its 2K resolution shows crisp detail in games, videos, and creative work. The 27-inch panel gives you wide viewing space. This helps improve focus and immersion during gameplay. Moreover, the AOC Q27G3ZN 27″ 2K 260Hz Gaming Monitor features an ultra-fast 260 Hz refresh rate. Motion looks fluid and clear during fast action. This reduces blur and improves responsiveness. Every movement feels smooth and precise. In addition, the monitor offers a quick response time for accurate control. This helps reduce ghosting and keeps motion crisp. Gameplay feels responsive in competitive matches. This improves performance when you need speed. Furthermore, the AOC Q27G3ZN 27″ 2K 260Hz Gaming Monitor uses a high-quality panel with rich, vibrant colors. Images stay vivid and consistent from wide angles. This makes movies and games look more engaging. Visual quality stays impressive. Also, the monitor supports adaptive sync technology for tear-free gameplay. This keeps frames smooth when GPU frame rates fluctuate. Tearing and stutter decrease significantly. This improves the overall gaming experience. In addition, the AOC Q27G3ZN 27″ 2K 260Hz Gaming Monitor includes HDMI and DisplayPort connections for flexible setup. You can connect PC, consoles, and media devices easily. Setup stays simple and quick. Connectivity helps everyday use. Moreover, the design features slim bezels for a clean, modern look. The monitor fits well in gaming setups and multi-screen layouts. This saves desk space and improves style. Furthermore, the AOC Q27G3ZN 27″ 2K 260Hz Gaming Monitor offers adjustable stand settings for tilt, height, and comfort. You can set your view for long sessions. Comfort matters in extended gaming. Overall, the AOC Q27G3ZN 27″ 2K 260Hz Gaming Monitor delivers outstanding clarity, fast refresh, and smooth gameplay. It enhances competitive play and entertainment alike. This monitor is perfect for gamers and users who want speed, vivid visuals, and precise performance. Check out other option here! Specifications: Display : 27″ Fast IPS Resolution : 2560 x 1440 (QHD) Refresh Rate : 260Hz Response Rate : 0.5ms
