Computer Accessory Deals & Computer Accessories for Sale

Useful if you're adding a GPU to a system that lacks a dedicated PCIe power connector, letting you draw power from an available SATA connection instead. Buy Now at Newegg

Useful if your laptop's original charger died or you need a spare with enough wattage to handle power-hungry machines like mobile workstations or gaming laptops without throttling performance under load. Buy Now at Newegg

Handy to have if your power supply has a single 8-pin PCIe connector but your GPU requires two, which is a fairly common mismatch when upgrading graphics cards without replacing the PSU. Buy Now at Newegg

Useful if you need to extend a VGA signal over a longer distance using existing ethernet cable runs, which is common in older office setups or classrooms where monitors or projectors are far from the source device. Buy Now at Newegg

Designed for QNAP network-attached storage devices and compatible switches, this SFP+ transceiver handles short-range 10GbE fiber connections up to around 300 meters over OM3 multimode cable, which suits small-to-medium server room setups where you need fast, reliable links between network equipment. Buy Now at Newegg

Useful if you have an older power supply with 8-pin connectors and need to run a newer GPU that requires a 12-pin power input, like certain Nvidia RTX 30-series cards. Buy Now at Newegg

Useful if your power supply has 6-pin connectors but your GPU requires an 8-pin input, giving you a straightforward way to bridge the gap without replacing your PSU. Buy Now at Newegg

Handy for anyone who wants to add a USB-C port to an older device or enclosure that has a standard USB-B connection, essentially bridging the gap without replacing internal hardware. Buy Now at Newegg

A straightforward add-on for desktop PC users who need Thunderbolt 3 connectivity on a motherboard that didn't ship with it, giving you the 40Gbps transfer speeds and daisy-chaining support that Thunderbolt brings to external drives, displays, and docks. Buy Now at Newegg

Designed to get your desktop tower off the floor or desk surface, this mount secures it underneath your desk and frees up space in your work area — useful if you're working in a tight setup or just want a cleaner look. Buy Now at Newegg

Handy for dual-PSU builds where your second power supply sits too far from the motherboard to reach with the stock cables, adding a foot of slack without requiring a full cable replacement. Buy Now at Newegg

A formatter board is the logic board that controls communication between your printer and computer, so this is a component-level repair part for the HP 1312nfi — useful if your printer powers on but won't process print jobs or communicate with your network. Buy Now at Newegg

Handy for a dual-workstation setup where you want two computers to share the same USB peripherals, like a keyboard, mouse, or printer, without physically swapping cables between machines. Buy Now at Newegg

Handy for anyone running two computers off a single desk setup, since it lets you switch a keyboard, mouse, or other USB peripherals between machines with one button press instead of swapping cables manually. Buy Now at Newegg

A direct replacement for the cooling fan in specific IdeaCentre B5xx series all-in-ones, so it's only worth looking at if your original fan has failed or become noisy and you want to handle the repair yourself rather than paying for service. Buy Now at Newegg

A direct replacement for anyone dealing with overheating or a failed fan in a ThinkPad S3 Yoga, and sourcing OEM-compatible cooling parts for older business laptops can be tricky, so having it available through Newegg is worth noting. Buy Now at Newegg

A mouse jiggler keeps your computer from going to sleep or showing as idle, which matters if you work remotely and your status is monitored, or if you run long processes that shouldn't be interrupted by a screensaver or lock screen. Buy Now at Newegg

A mouse jiggler keeps your computer from going to sleep or showing as idle, which matters if you work remotely and your status is monitored, or if you run long processes that shouldn't be interrupted by a screensaver or lock screen. Buy Now at Newegg

Designed as a direct replacement for the cooling system in the 17-inch MacBook Pro A1297, this fan is the practical fix if yours has started running loud, slowing down, or throwing thermal warnings. Buy Now at Newegg