Adapter Deals & Adapters for Sale

Keeping an eye on a napping infant in the backseat gets easier with the built-in baby camera, and you still get wireless CarPlay if your car only has the wired version. Apply coupon code "OTTOCAST" for a savings of $10. Buy Now at Amazon

At Amazon, get this Wavlink AXE5400 PCIe WiFi 6E Card for $26. It's the best price Amazon has charged for this WiFi card. It supports WiFi 6E across all three bands, plus Bluetooth 5.3, giving desktop PCs wireless speeds and connectivity closer to modern laptops. Buy Now at Amazon

This Fenvi FV-AXE3000 card adds Wi-Fi 6E and Bluetooth 5.3 to a desktop PC for $28. That's a savings of $22. Shipping is free. Buy Now at Newegg

Clip the coupon to drop the TP-Link USB 3.0 to Ethernet Adapter at Amazon to its best-ever price.  It's also a $10 low.  Shipping is free for Prime members. Buy Now at Amazon

Best Buy offers the ASUS Nano Dual-Band USB WiFi Network Adapter for $7.99.  That's a $12 low.  My Best Buy members get free shipping on all orders (it's free to join). Buy Now at Best Buy

Amazon offers the Anker 310 USB-C to HDMI Adapter for $12.99. It's the best price we found by $4. Shipping is free for Prime members.  Buy Now at Amazon

This TP-Link Archer TXE5400UH is $69 off the regular price of $100 at Best Buy. It adds Wi-Fi 6E support with access to the 6 GHz band, plus tri-band speeds up to 2402 Mbps. My Best Buy members get free shipping on all orders (it's free to join). Buy Now at Best Buy

This TP-Link WiFi adapter is just $31 right now at Best Buy. That's less than half of what you'd pay at Amazon (where it costs $70). The adapater adds WiFi 6E support, including access to the newer 6GHz band, along with a high-gain antenna and USB 3.0 connectivity. My Best Buy members get free shipping, too (it's free to join). Buy Now at Best Buy

Anyone dealing with dropped connections or bottlenecked speeds on an older motherboard could use this card to add reliable 5Gbps wired ethernet without replacing the whole system. Buy Now at Amazon

Networking pros managing Juniper switches will want this on hand as a reliable spare, since it's built specifically for short-range fiber links up to 550 meters using multimode cable. Buy Now at Newegg

Worth a look if your homelab or server rack needs faster interconnects for storage clusters or virtualization traffic, since these older InfiniBand adapters push high throughput and low latency at a fraction of what current network cards cost. Buy Now at Newegg

Data centers and network closets running fiber uplinks will get the most out of this, since it's built for long-range 10G links up to 10km over single-mode fiber. Newegg has it at a fraction of what Cisco charges for the branded equivalent, and it's coded to work in Cisco switches without triggering compatibility warnings. Buy Now at Newegg

Fits anyone building out a long-distance fiber network segment, since this transceiver handles single-mode links up to about 10km, well beyond what short-range SFPs can cover in a Juniper switch or router deployment. Buy Now at Newegg

Homelab builders and small server setups benefit most from this card, since it packs four independent gigabit ports onto a single PCI-E slot for network segmentation, failover, or virtualization traffic without eating up your motherboard's limited expansion slots. Buy Now at Newegg

Handy for laptops that ditched the ethernet port, so you can get a stable wired connection for gaming or video calls instead of relying on wifi; having two in the pack means one for your desk and one for travel, or a backup on hand once the first gets lost in a drawer. Buy Now at Newegg

Anyone dealing with dropped connections or sluggish wired speeds on a desktop can swap this in for a reliable gigabit connection, especially if your motherboard's onboard networking has started acting flaky. It's a straightforward fix for older builds that predate faster networking standards but still need dependable wired performance. Buy Now at Newegg

Anyone managing an HP 5510 switch stack and needing to expand port capacity or add high-speed uplinks will find this module useful for connecting to QSFP+-enabled switches or aggregating multiple links. Buy Now at Newegg

Setting up a security camera or access point away from an outlet becomes simpler with this splitter, since it lets one PoE cable power and connect two separate Ethernet devices without running extra wiring. Buy Now at Newegg

This weatherproof adapter suits anyone running Ethernet cables outside, since the locking mechanism keeps the connection secure against wind, vibration, or accidental tugs. It's a practical fix for outdoor cameras, access points, or long cable runs where a standard RJ45 plug would eventually work itself loose. Buy Now at Newegg

This adapter suits laptops without a built-in ethernet port, giving you a stable wired connection for tasks like large file transfers or gaming where you don't want to rely on Wi-Fi. Newegg has it at a price point that makes sense if you just need reliable plug-and-play networking without extra frills. Buy Now at Newegg