GAMDIAS XC3 (2g, incl. Cleaning Wipe and Scraper) - Ultimate Performance Thermal Paste for CPU, GPU, consoles, laptops, high thermal conductivity, long durability, non-conductive, non-capacitive GAMDIAS XC3 (2g, incl. Cleaning Wipe and Scraper) – Ultimate Performance Thermal Paste for CPU, GPU, consoles, laptops, high thermal conductivity, long durability, non-conductive, non-capacitive PERFORMANCE THERMAL COMPOUND: XC3 is an easy-to-apply thermal paste that features high-quality thermal compounds with nano-diamond particles that allow excellent conductivity to lower thermals and push your PC to the limit. HIGH THERMAL CONDUCTIVITY: XC3 ensures exceptional heat dissipation by utilizing high conductivity nanoparticles and lowering thermal impedance between the CPU and cooler with its nano-diamond particles. VERSATILE APPLICATION: The compound provides a stable working status from -50°C to 220°C. SAFE AND STABLE: Without electrically conductive materials,the grease eliminates the risk of short-circuiting or discharging. APPLICATION KIT: The paste comes in a luer lock syringe, with a cleaning wipe and scraper included in the product pack for convenience.
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)
Battery Replacement for A1819 MacBook Pro 13" A1706 Late 2016 Mid 2017 MLH12LL MLH12LL/A MLH12LL/A MPXV2LL MPXV2LL/A MPXV2LL/A Battery Replacement for A1819 MacBook Pro 13″ A1706 Late 2016 Mid 2017 MLH12LL MLH12LL/A MLH12LL/A MPXV2LL MPXV2LL/A MPXV2LL/A 【Technical Details:】 Model Number: A1819; Battery type: Li-ion; Voltage: 11.1V; Capacity: 4300mAh 49.02Wh，Condition: brand new 【Compatible with:】 Mid 2017 MacBook Pro 13-inch Series: MacBook Pro 13 inch Touch A1706(Mid 2017); MacBook Pro 13 inch A1706(EMC 3163) (Mid 2017); MacBook Pro 13-inch MPXV2LL/A or MPXW2LL/A or MPXX2LL/A or MPXY2LL/A 【Compatible with:】MacBook Pro 13 inch Touch A1706(Late 2016); MacBook Pro 13 inch A1706(EMC 3071) (Late 2016); MacBook Pro 13-inch MLH12LL/A or MLVP2LL/A or MNQF2LL/A or MNQG2LL/A 【Compatible with:】2016 2017 MacBook Pro 13″ Four Thunderbolt 3 Ports A1706 model: MacBook Pro 13″ Touch i5 2.9GHz A1706(Late 2016); MacBook Pro 13″ Touch i5 3.1GHz A1706(Late 2016); MacBook Pro 13″ Touch i5 3.1GHz A1706(Mid 2017); MacBook Pro 13″ Touch i5 3.3GHz A1706(Mid 2017); MacBook Pro 13″ Touch i7 3.3GHz A1706(Late 2016); MacBook Pro 13″ Touch i7 3.5GHz A1706(Mid 2017)
Premium non-slip rubber feet designed to fit MacBook Pro models A1398, A1425, and A1502—restoring grip, stability, and base protection with a perfect OEM-style fit. Keep your MacBook Pro firmly in place with these high-quality skid-proof rubber feet, precision-made for MacBook Pro 13″ and 15″ Retina models: A1398 (15″ Retina, 2012–2015) A1425 (13″ Retina, 2012–2013) A1502 (13″ Retina, 2014–2015) These replacement feet replicate Apple’s original design, offering excellent traction on smooth surfaces like glass, wood, or metal desks—preventing slips during typing or transport. Crafted from soft yet durable silicone-rubber, they also cushion your laptop’s base, reducing scratches and minimizing vibration noise. Each set includes all necessary feet (typically 5 per unit) with strong pre-applied adhesive for quick, secure installation. The matte black finish matches your MacBook Pro’s sleek bottom case for a seamless look. Perfect for replacing worn, missing, or damaged feet due to age, cleaning, or accidental removal. A simple, cost-effective way to restore both function and finish to your MacBook Pro. Installation Tip: Clean the foot areas thoroughly with isopropyl alcohol and let dry before applying. Lightly warming the adhesive (with a hairdryer or fingers) can improve bonding.
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
BATTERY DELL J60J5 7.6V 55Wh Battery Compatible with Dell Latitude E7470 E7270 7470 7270 451-BBSY 451-BBSX 451-BBSU WYWJ2 R1V85 MC34Y 242WD PDNM2 1W2Y2 GG4FM F1KTM NJJ2H 5F08V P61G001 P26S001 J6OJ5 Laptop Battery About this item SPECIFICATION : Model Name: Standard Rechargeable Li-ion battery Type J60J5 ; Device Type: Notebook battery; Battery Type: Lithium ion; Voltage : 7.6V; Capacity : 55Wh; Cells: 4-cell; Dimensions about 9.37×4.17×0.24in; Weight: About 11OZ / 0.69lb; Condition : 100 % New; Packages includes: 1PC J6OJ5 laptop battery(with free screwdrivers for easy installation) COMPATIBILITY : 7.6V 55 WHr 4-Cell Lithium-Ion battery replace manufacturer part J60J5 J6OJ5 451-BBSX 451-BBSY 451-BBSU R1V85 WYWJ2 MC34Y 0MC34Y 242WD PDNM2 1W2Y2 0F1KTM F1KTM NJJ2H GG4FM 5F08V P61G P61G001 P26S P26S001 battery designed for Dell Latitude E7270 Latitude E7470 7270 7470 Series laptop. SECURITY: ECHEER 55Wh 4-cell J60J5 batteries have passed strict intelligent detection, such as short circuit protection, over-voltage protection, discharge protection, and over-current protection, which is very important for the battery’s use cycle and safety. Also, CE, FCC, and RoHS are certificated. Every one of our replacement notebook batteries is tested to meet OEM specifications.
The Samsung Odyssey 3D G90XF 27″ 4K Gaming Monitor delivers stunning visuals and immersive gaming experiences. It features a crisp 27‑inch 4K (3840×2160) display for ultra‑sharp image clarity. Moreover, the Samsung Odyssey 3D G90XF 27″ 4K Gaming Monitor supports high refresh rates for smooth gameplay. It includes advanced 3D features to bring virtual worlds to life. Also, the fast response time reduces motion blur in action scenes. In addition, it offers great color accuracy with HDR support for vibrant visuals. Plus, the monitor blends well with modern gaming setups and sleek decor. Furthermore, its ergonomic stand allows tilt, swivel, and height adjustments for comfort. Therefore, you get personalized viewing angles for long gaming sessions. It also supports NVIDIA G-SYNC or AMD FreeSync to prevent screen tearing. Meanwhile, built‑in speakers deliver basic sound without extra gear. Because of its thin bezels, the monitor creates a seamless multi‑monitor setup. Thus, gamers enjoy immersive edge‑to‑edge visuals without distraction. The Samsung Odyssey 3D G90XF 27″ 4K Gaming Monitor includes multiple HDMI and DisplayPort ports. Also, a USB hub port lets players connect peripherals easily. Moreover, its flicker‑free and low‑blue‑light modes ease eye strain. Then, LED backlighting enhances color uniformity and contrast levels. Also, adaptive sync keeps games smooth even under heavy graphical loads. Furthermore, factory calibration ensures accurate color right out of the box. In addition, the design supports VESA mounting for flexible placement. Therefore it fits on desks or wall mounts neatly. With durable build quality, the monitor stands up to intense everyday use. It stays cool under pressure thanks to efficient thermal design. Finally, the Samsung Odyssey 3D G90XF 27″ 4K Gaming Monitor balances performance, design, and comfort. Overall, it provides next‑level gaming visuals for serious gamers. Specifications: Display : 27″ IPS Resolution : 4K (3,840 x 2,160) Refresh Rate : 165Hz Response Rate : 1ms
Replacement cable for MacBook Pro A2794, designed to restore proper connection and functionality for damaged or faulty internal cables. Ideal for technicians and repair shops, ensuring reliable performance and correct fit for A2794 models. Type: USB-C to USB-C charging/data cable Model: A2794 Length: 2 meters (≈ 6.6 ft) Color: White Design: Woven braided cable for durability Connectors: USB-C (Male) on both ends Power Delivery: Supports up to 240 W high-power charging when used with a compatible USB-C PD adapter Data Transfer: USB 2.0 transfer speeds Designed for fast charging and syncing between USB-C devices
VI04 V104 Replacement Laptop Battery for HP Envy 14 15 17 Series HP Pavilion 15 17 Notebook Series TPN Q139 Q140 Q141 Q142 Q143 Spare 756743-001 About this item Battery Type: Li-ion; Voltage: 14.8V; Capacity: 2200MAH; Cells:4-cell Replacement Battery for HP Envy 14 15 17 Laptop Series 14-v000-v099 15-k000-k099 17-f000 -f099 m7-k211dx m7-k111dx m7-k211dx 15t-k100 15t-k200 17t-k000; HP Pavilion 15 17 Laptop Series 15-p000 to p099, 15-x000 to x099, 17-f000 to f099, 17-x000 to x099; 14-V006LA 15-P030NR 15-P390NR 15-P099NR 15-P100DX 15-P133CL 15-P114DX 17-F053US 17-F113DX Compatible Models for HP ProBook 440 G2 445 G2 450 G2 455 G2 756743-001 756744-001 756745-001 756479-421 756478-421 756478-422 756478-851 HSTNN-DB6K HSTNN-DB6J HSTNN-LB6K HSTNN-LB6I All products are Certified by CE FCC for safety; Strict guidelines for compatibility, and standards compliance for environmental safety
Philips Evnia 34M2C5500 34-inch ultrawide gaming monitor delivers immersive and ultra-smooth performance for gaming and multitasking. It focuses on high refresh rate, curved design, and wide QHD clarity for an engaging experience. Additionally, it features a 34-inch Fast VA panel with UltraWide QHD resolution (3440 × 1440). This resolution provides a wider field of view, so it improves both gaming immersion and productivity workflows. Moreover, it supports up to a 180Hz refresh rate with 0.5ms Smart MBR response time. As a result, it delivers very smooth motion and reduces blur in fast-paced gameplay. The monitor uses a 1500R curved design. Therefore, it enhances immersion by wrapping visuals around your natural field of view. In addition, it supports VESA DisplayHDR 400. This improves brightness, contrast, and color depth, so visuals appear more vivid and lifelike. Furthermore, it includes Adaptive Sync and low input lag. These features reduce tearing and improve responsiveness for competitive gaming. It also offers gaming tools such as Smart Crosshair and SmartImage modes. So it helps improve aiming accuracy and visual tuning during gameplay. Philips Evnia 34M2C5500 34-inch ultrawide gaming monitor provides immersive visuals, high-speed performance, and advanced gaming features for serious players. Specifications: 34-inch Fast VA panel with 3440 × 1440 UltraWide QHD resolution 180Hz refresh rate for ultra-smooth gaming 0.5ms Smart MBR response time for reduced motion blur 1500R curved design for immersive viewing DisplayHDR 400 with Adaptive Sync support
The ASUS VA279HG 27″ FHD Eye Care Monitor delivers clear Full HD visuals on a large 27-inch screen. It offers bright colors and a wide viewing area. This makes work, entertainment, and daily tasks look clean and comfortable. The larger display improves productivity and visual clarity. Moreover, the ASUS VA279HG 27″ FHD Eye Care Monitor features a 75Hz refresh rate. This creates smoother motion in games and videos. It reduces blur and keeps movement stable. You enjoy a more responsive and pleasant viewing experience. In addition, Adaptive Sync support minimizes screen tearing. It keeps visuals smooth during fast scenes. Gamers and casual users benefit from consistent performance. This adds comfort to longer sessions. Furthermore, the monitor includes ASUS Eye Care technology. It reduces blue light and eliminates screen flicker. This protects your eyes from strain and fatigue. You can work or watch content for longer with ease. Also the ASUS VA279HG 27″ FHD Eye Care Monitor uses a VA panel for strong contrast. It delivers deeper blacks and more vivid colors. Also, the design is simple and modern. The thin frame looks clean on any desk. The stand offers tilt adjustment for better comfort. This helps you find the ideal viewing angle easily. Finally connectivity is flexible and reliable. The monitor includes HDMI and VGA ports. This allows quick setup with many devices. It works well with laptops, desktops, and media players. Overall, the ASUS VA279HG 27″ FHD Eye Care Monitor combines smooth performance, eye protection, and a spacious display. It is ideal for home, office, and entertainment use. It delivers comfort, clarity, and strong everyday value. Specifications: Display : 27″ IPS Resolution : FHD Refresh Rate : 120Hz Response Time : 1ms Model : 90LM04J1-B02371
Professional Grade K9 Dual Wireless Lavalier Mic For Android Smartphones Type C K9 Wireless Collar Microphone For YouTube Voice Recording Live Videos Vlog ASMR Podcast & Interview Expert Features 【Wireless Lavalier Microphone (2 Pcs) 】: Ideal for USB-C, iPhone, Smartphones, iPads and Macs with USB-C ports, Android devices, and laptops with USportsPort | Auto Noise Reduction. 【Dual Microphone Set】:Includes two wireless Lavalier microphones for versatile audio recording options. Simply plug the microphone into the USB port for instant connectivity and ease of use. 【Wide Compatibility】:Ideal for use with USB-C devices, iPhones, smartphones, iPads, Macs, Android devices, and laptops with USB-C ports, ensuring compatibility across various platforms. 【Auto Noise Reduction】: Features built-in noise reduction technology to minimize background noise and ensure clear and crisp audio. 【Long Battery Life】:Powered by lithium-ion batteries, providing reliable performance for extended recording sessions. 【Versatile Applications】:Suitable for a wide range of applications, including vlogging, interviews, presentations, podcasting, and more.
Experience the future of gaming with the Samsung Odyssey G9 49″ 240Hz Curved Gaming Monitor. This ultra-wide display wraps around your vision for complete immersion. With a 49-inch screen, it feels like two monitors in one. The 1000R curvature matches the natural curve of the human eye. So, your games feel more real and more engaging. Thanks to the 240Hz refresh rate, every frame loads lightning fast. No more motion blur, just smooth and fluid gameplay. Moreover, the 1ms response time helps you stay ahead of the competition. React instantly to every move, shot, or surprise attack. The Samsung Odyssey G9 49″ 240Hz Curved Gaming Monitor also supports NVIDIA G-Sync and AMD FreeSync Premium Pro. Therefore, screen tearing and stuttering are things of the past. Colors look rich and vibrant with QLED technology. Every detail pops, even in the darkest shadows and brightest highlights. In addition, the futuristic design with customizable RGB lighting looks amazing in any gaming setup. It also features multiple ports, making connectivity easy and fast. Whether you’re gaming, streaming, or multitasking, it handles it all with ease. Split-screen tools let you view and work on several apps at once. As a result, productivity and entertainment meet in one screen. If you want the best gaming experience, this is the monitor for you. Choose the Samsung Odyssey G9 49″ 240Hz Curved Gaming Monitor and level up your game today. Specifications: Display : 49″ VA Curvature : 1000R Resolution : DQHD (5,120 x 1,440) Refresh Rate : 240Hz Response Rate : 1ms GTG
The ASUS ROG Strix XG27ACS 27” QHD 180Hz HDR400 Gaming Monitor is a 27-inch gaming display designed for high-performance gameplay and clear image quality. It uses a Fast IPS panel that delivers wide viewing angles and accurate color reproduction. It features a QHD (2560×1440) resolution, which provides sharper detail and more screen space compared to Full HD. Therefore, it improves both gaming clarity and productivity use. The monitor supports a 180Hz refresh rate, which ensures smoother motion in fast-paced games. In addition, it includes a fast response time that helps reduce motion blur during rapid movement. It is also HDR400 certified, which enhances brightness and contrast in supported content. As a result, images appear more dynamic with improved highlights and shadow detail. Moreover, it supports adaptive sync technology for smoother gameplay and reduced screen tearing when paired with compatible GPUs. The monitor also includes gaming features such as customizable display modes and on-screen controls. Overall, the ASUS ROG Strix XG27ACS 27” QHD 180Hz HDR400 Gaming Monitor is designed for smooth performance, sharp visuals, and responsive gaming in a 27-inch QHD format. Specifications: 27-inch QHD (2560×1440) display 180Hz refresh rate HDR400 support Fast IPS panel Adaptive sync technology 90LM09Q0-B01170
The Lenovo V130 is powered by an Intel Core i5 7th Gen processor, paired with 8GB RAM and a fast 256GB SSD for smooth and reliable everyday performance. Designed for office work, study, and productivity, it features a simple, durable design and a clear 15.6-inch non-touch display for comfortable daily use.
In the landscape of monitors, the ViewSonic VX3218C-2K stands out as a cutting-edge solution, offering immersive visual brilliance and advanced features for an unparalleled viewing experience. Transitioning to its key features, the VX3218C-2K excels in providing a stunning 2K resolution. This monitor is designed to deliver crisp and detailed visuals, ensuring a visually captivating experience for work, gaming, or entertainment. Moreover, this display impresses with its sleek and modern design. The ViewSonic VX3218C-2K not only enhances the aesthetics of your workspace but also ensures a slim profile and minimal bezels, creating an immersive viewing environment. In addition to its functionality, the VX3218C-2K offers user-friendly controls and versatile connectivity options, ensuring a seamless and adaptable experience. This monitor effortlessly adapts to various settings, providing flexibility for different viewing preferences. Furthermore, ViewSonic’s commitment to user satisfaction is evident in the VX3218C-2K’s enhanced color technology and eye-care features. It’s a reliable companion for extended viewing sessions, offering both visual excellence and comfort. In conclusion, the ViewSonic VX3218C-2K redefines immersive brilliance, combining high-resolution visuals, sleek design, and user-friendly features. Elevate your viewing experience effortlessly with the VX3218C-2K – your gateway to an immersive and captivating visual journey! Specifications Curve : 1500R Refresh Rate : 165Hz Response Rate : 1ms Ultra-Fast Input Technology : AMD FreeSync Premium ViewMode: Game/Movie/Web/Text/Mono Speaker : 2W Dual Speakers Colors : HDR10 Input : HDMI
AOC 24G11E 24-inch 180Hz gaming monitor delivers fast and responsive performance for competitive gaming. It focuses on high refresh rate, low response time, and smooth visuals for everyday gameplay. Additionally, it features a 23.8-inch Fast IPS panel with Full HD resolution (1920 × 1080). This panel provides clear visuals and wide viewing angles, so it improves both gaming and general use. Moreover, the monitor supports a 180Hz refresh rate with 0.5ms MPRT response time. As a result, it delivers smooth motion and reduces blur during fast-paced action. The display includes Adaptive Sync technology. Therefore, it reduces screen tearing and stuttering for a more stable gaming experience. In addition, it supports HDR10 and Low Input Lag mode. These features improve visual depth and responsiveness during gameplay. Furthermore, the monitor uses a 3-sided frameless design with HDMI 2.0 and DisplayPort 1.4 connectivity. This setup supports modern PCs and multi-monitor configurations. AOC 24G11E 24-inch 180Hz gaming monitor provides smooth performance, fast response, and essential gaming features for competitive and casual players. Specifications: 23.8-inch Fast IPS panel with Full HD 1920 × 1080 resolution 180Hz refresh rate for ultra-smooth gameplay 0.5ms MPRT response time for reduced motion blur Adaptive Sync support for tear-free performance HDMI 2.0 and DisplayPort 1.4 connectivity
Keyboard for Macbook Pro A1502 ,A1582,A1493 13" Inch Retina Year 2013,2014,2015 Part no ME864 ME864LL/A ME866LL/A APN: 661-8154, 661-02361, 818-4278 Black US Layout Keyboard for Macbook Pro A1502 ,A1582,A1493 13″ Inch Retina Year 2013,2014,2015 Part no ME864 ME864LL/A ME866LL/A APN: 661-8154, 661-02361, 818-4278 Black US Layout Compatibility: FOR MB Pro Retina 13″ A1502 Late 2013: ME864LL/A (2.4 Core i5) Late 2013: ME866LL/A (2.6 Core i5) Late 2013: ME866LL/A (2.8 Core i7) Mid 2014: MGX72LL/A (2.6 Core i5) Mid 2014: MGX92LL/A (2.8 Core i5) Mid 2014: MGX92LL/A (3.0 Core i7) Early 2015: MF839LL/A (2.7 GHz Core i5) Early 2015: MF841LL/A (2.9 GHz Core i5) Early 2015: MF843LL/A (3.1 GHz Core i7) Identifying Numbers APN: 661-8154, 661-02361, 818-4278 Compatible part numbers: ME864 ME865 ME866 MF839 MF841 MF843 MGX72 MGX92 (Layout US) Related Part #: 661-8154, 661-02361, 818-4278 High Quality Laptop Keyboard. 100% Compatible with your brand.
A reliable pre-owned Dell Latitude 5400 with 14" display, 8th Gen Core i5, 16GB RAM, and 512GB SSD—ideal for business users and students seeking solid performance, security, and durability in a compact form.
The Samsung Odyssey G9 LS49DG952SMXUE features a 49-inch OLED panel with Dual QHD resolution (5120 × 1440) and a 32:9 aspect ratio. The ultrawide format provides the screen space of two 27-inch QHD monitors in a single display, making it suitable for gaming, multitasking, and content creation. The monitor supports a refresh rate of up to 240Hz and a response time of 0.03ms GTG. As a result, fast-moving content appears smoother and more responsive during competitive gaming. In addition, AMD FreeSync Premium Pro support helps reduce screen tearing and stuttering. Samsung uses OLED panel technology to provide per-pixel lighting control. Therefore, the display delivers deep blacks, high contrast, and accurate color reproduction without a traditional backlight. The monitor includes Samsung Smart TV functionality powered by Tizen OS. Users can access streaming applications and smart features directly from the monitor without connecting a PC. Connectivity includes HDMI, DisplayPort, USB ports, Wi-Fi, Bluetooth, and Ethernet support. In addition, the monitor supports Picture-by-Picture and Picture-in-Picture modes for multitasking across multiple input sources. This model focuses on high-refresh-rate gaming, OLED image quality, and integrated smart features within a 49-inch curved ultrawide display. Specifications: 49-inch OLED panel with 5120 × 1440 Dual QHD resolution 240Hz refresh rate and 0.03ms GTG response time 32:9 ultrawide aspect ratio AMD FreeSync Premium Pro support Tizen OS with HDMI, DisplayPort, USB, Wi-Fi, and Bluetooth connectivity
