Adapter Deals & Adapters for Sale

A compact option for laptop users who need to expand a single USB-C port into multiple connections, covering HDMI output, USB-A ports, and card readers without adding a bulky dock to your setup. Buy Now at Newegg

Handy for anyone who needs a wired network connection on a laptop that only has USB-C ports, since it gives you a reliable, low-latency connection without relying on Wi-Fi. Buy Now at Newegg

Useful if you need to connect legacy RS-232 serial devices to a network without running separate power cables, since the PoE support means one Ethernet cable handles both data and power. Buy Now at Newegg

Useful if you need to add a display to a laptop or desktop that lacks a spare video output, since it converts a USB 3.0 port into a VGA connection without requiring an internal graphics card upgrade. Buy Now at Newegg

Handy for adding a second (or third) monitor to a laptop or desktop without opening up the machine to install a dedicated graphics card — just plug it into a USB 3.0 port and connect your display via HDMI. Buy Now at Newegg

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