Adapter Deals & Adapters for Sale

This TP-Link AC1300 adapter is $6 off its regular price and within a buck of its all-time low. It supports dual-band 2.4GHz and 5GHz connections, MU-MIMO, and USB 3.0, and is compatible with Windows and Mac. Buy Now at Amazon

Useful for adding Bluetooth to a desktop PC or any device that doesn't have it built in, so you can connect wireless headphones, keyboards, mice, or speakers without buying new hardware. Buy Now at Newegg

Handy for anyone who needs to add a second or third monitor to a laptop or desktop that's run out of video outputs, letting you connect a DVI or VGA display through a spare USB 3.0 port instead. Buy Now at Newegg

Designed specifically for the R36S, R36H, and R36 handheld consoles, this adapter adds Wi-Fi connectivity to devices that don't have it built in, which matters if you want to use online features, download content, or sync saves wirelessly. Buy Now at Newegg

Swapping out an older wireless card for this one makes sense if your laptop or desktop has an open M.2 slot and you want Wi-Fi 6E support, which opens up the less congested 6GHz band for faster, more reliable speeds on compatible routers. Buy Now at Newegg

A niche but useful adapter if you have U.2 NVMe drives sitting unused because your motherboard lacks U.2 ports, letting you connect two of them through a single PCIe x8 slot instead. At $26, it's $14 off the $40 list price. Buy Now at Newegg

Handy for anyone who needs to connect a laptop or desktop to an older monitor or projector that only has a VGA input, particularly if your machine has no native VGA port but has an open USB slot. Buy Now at Newegg

StarTech's USB-to-HDMI adapter is a practical solution for adding a second monitor to a laptop that lacks a spare HDMI port, and at $46, it's $33 off the $79 list price. Buy Now at Newegg

A straightforward upgrade for desktop PC owners who want to add WiFi 6 and Bluetooth 5.2 without replacing their motherboard, as long as your board has an open M.2 E-key slot. Buy Now at Newegg

A straightforward upgrade for anyone whose motherboard lacks a 2.5G or 5G port and wants faster local network speeds without buying a new board, at half the $32 list price. Buy Now at Amazon

Handy for anyone who needs to add a second (or third) monitor to a laptop or desktop that's run out of video outputs, using a spare USB 3.0 port instead. Buy Now at Newegg

A useful option if your laptop lacks a video output and you need to connect an external monitor without opening up your machine, priced $2 below the list price. Buy Now at Newegg

A straightforward option for servers or workstations that need additional network ports without giving up a full x16 PCIe slot, since the x4 interface keeps resource usage low while still delivering dual gigabit connections. Buy Now at Newegg

Useful if you have a PoE switch or injector but need to power a non-PoE device like a camera or access point over Ethernet — the splitter separates the power and data so the device gets both without needing its own power cable nearby. Buy Now at Amazon

A low-cost option for adding wireless connectivity to a desktop or older laptop that lacks built-in WiFi, or as a backup when your existing adapter stops working. Buy Now at Newegg

Fits into an unused 5.25-inch drive bay on a desktop PC and gives you four USB 3.0 ports on the front of your case, which is useful if the ports on the back are awkward to reach or you frequently plug in drives, controllers, or other peripherals. Buy Now at Amazon

Adds Bluetooth 5.3 to any desktop or laptop that lacks it, which makes it useful for connecting wireless peripherals like headphones, keyboards, or mice to older machines without built-in Bluetooth. Buy Now at Newegg

The Airtame PoE adapter lets you power your Airtame device directly through an Ethernet cable, eliminating the need for a separate power outlet near your display, which is useful in conference rooms or ceiling-mounted setups where running power is inconvenient. At $125, that's $24 off the $149 list price. Buy Now at Newegg

Aimed at broadcast or production workflows where you need to bring SDI-source footage into a computer for recording or streaming, this adapter handles the conversion without requiring a dedicated capture device. Buy Now at Newegg