Adapter Deals & Adapters for Sale

For desktop users who want to add WiFi 7 and Bluetooth to their PC without replacing their motherboard, this PCIe adapter slots into an open expansion bay and handles both. At $80, it's $10 off the $90 list price. Buy Now at Newegg

A low-cost way to add Bluetooth to a desktop PC or any computer that lacks it built-in, useful for connecting wireless headphones, keyboards, mice, or speakers without opening the case. Buy Now at Newegg

A straightforward solution for desktop PCs or older laptops that lack built-in WiFi, letting you connect to wireless networks without opening up your machine to install a card. Buy Now at Newegg

Designed for industrial networking environments where you need to extend a single fiber run between switches or routers, this bidirectional SFP module handles upstream and downstream traffic over one strand rather than two, cutting your fiber cabling needs in half. Buy Now at Newegg

Handy for anyone who needs to add an external display to a laptop or desktop that's run out of native video outputs, using a spare USB 3.0 port instead. Buy Now at Newegg

Useful for running a headless PC setup, where you need the system to think a monitor is connected so remote desktop software renders at full resolution instead of a low-res fallback. Buy Now at Newegg

A straightforward way to add Bluetooth to a desktop PC that doesn't have it built in, particularly useful for connecting wireless headphones, speakers, or keyboards without dealing with a separate dongle that sticks out. Buy Now at Newegg

Useful for anyone with a modern laptop that lacks an Ethernet port, this adapter lets you plug directly into a wired network for a more stable connection than Wi-Fi. Buy Now at Newegg

Handy for remote desktop users or anyone running a headless PC setup where you need the system to output a full-resolution signal without a monitor physically connected. Buy Now at Newegg

A straightforward way to add Bluetooth to any desktop PC or older laptop that doesn't have it built in, letting you connect wireless headphones, keyboards, mice, or speakers without opening up the machine. Buy Now at Newegg

A straightforward replacement option if your Scientific Atlanta cable modem's original adapter has failed or gone missing, saving you from hunting down an OEM part or buying a new modem over a fixable problem. Buy Now at Newegg

Useful if you're heading to Australia, New Zealand, or nearby countries where the angled Type I plug is standard, and the 4-in-1 set means you can cover multiple device types without carrying separate adapters. Buy Now at Newegg

A solid pick if your LG monitor's original power adapter has failed or gone missing, since third-party replacements like this are typically a fraction of the cost of sourcing one directly from LG. Buy Now at Newegg

A solid pick for embedded developers or hobbyists who need both wired Ethernet and WiFi on a single ESP32-based module, skipping the need to wire up a separate Ethernet controller. Buy Now at Newegg

Useful for anyone who needs to connect a laptop to two monitors simultaneously over a single USB-C port, and at $15, it's about $5 below the list price. Buy Now at Walmart

Aimed at embedded developers or makers who need reliable wireless communication between microcontrollers without dealing with complex networking protocols, this UART-based mesh module handles the routing logic onboard so you can focus on your application rather than the radio stack. Buy Now at Newegg

A straightforward upgrade for desktop PCs with a failed or missing network port, or for older machines that only have a 100Mbps adapter and want to step up to full gigabit speeds. Buy Now at Newegg

Useful if you need to add a monitor to a laptop or desktop that's run out of HDMI ports, or if your machine doesn't have a video output at all. It handles up to 1080p, so it works for general productivity setups but isn't the right call if you're pushing higher resolutions. Buy Now at Newegg

A straightforward pick for anyone replacing a lost or failed 12V DC power adapter, particularly for devices that need a barrel-tip connector and a reliable regulated output without paying for a brand-name replacement. Buy Now at Newegg