Adapter Deals & Adapters for Sale

Anyone running a home lab, NAS, or setup that needs link aggregation or failover will get the most out of this, since two 2.5Gbps ports on one card beat relying on a single onboard NIC. Buy Now at Newegg

Home lab tinkerers and anyone stuck with a slow onboard NIC can add this card for a straightforward upgrade to 2.5Gbps wired speeds, provided your router and modem also support it. Buy Now at Newegg

Networking closets that need reliable fiber uplinks over existing multimode cabling will get the most out of this, since it's built to hit 10 Gbps speeds on runs where a full LR transceiver would be overkill. Buy Now at Newegg

Anyone dealing with large file transfers or bottlenecked home lab servers will notice the difference here, since dual 10GbE ports let you segment traffic or set up link aggregation without needing a second card. Buy Now at Newegg

Data center and HPC builds pushing serious throughput are the target here, since this adapter handles 400G InfiniBand speeds over PCIe 5.0 without bottlenecking your network fabric. Buy Now at Newegg

Anyone prototyping IoT projects that need both wired and wireless connectivity will find this handy, since it handles serial-to-Ethernet conversion and WiFi gateway duties on a single embedded module. Newegg carries it if you're already sourcing dev boards and components there. Buy Now at Newegg

Data center and networking pros upgrading server racks to 10-gig speeds will want this SFP+ module for its plug-and-play compatibility with existing Aruba switches, and at $613, it's $815 (57%) off the $1,428 list price. Buy Now at Newegg

Handy for makers wiring up an ESP32-based project that needs a reliable Ethernet connection instead of relying on Wi-Fi alone, since it pairs serial communication with both Bluetooth and wired networking on one board. Buy Now at Newegg

Adding this dongle gives an older desktop or laptop Bluetooth 5.1 capability without opening the case, which is handy for connecting wireless keyboards, mice, or headphones. It's a simple fix for anyone whose PC skipped Bluetooth entirely or is stuck on an outdated version. Buy Now at Newegg

Home server builders and Pi enthusiasts running network-attached storage or media setups will appreciate the 2.5GbE speed bump plus PoE, since it means one cable can handle both data and power without a separate injector. Buy Now at Newegg

Small form-factor desktops and laptops with a spare M.2 A+E slot can pick up wired 2.5Gbps speeds without giving up a PCIe slot, which matters if you're working with large file transfers or a faster home network. It's a straightforward upgrade for anyone stuck with a slow onboard NIC who doesn't want to deal with a USB dongle. Buy Now at Newegg

Network admins building out 100G links over single-mode fiber up to 500 meters will want this for data center or campus backbone connections, and Newegg has it listed at $1 below the $1,700 list price. Buy Now at Newegg

Anyone building or upgrading a desktop for online gaming will want this for the added WiFi 6 speed and lower latency, since motherboards without built-in wireless can't otherwise take advantage of the newer standard. Newegg has it priced for those who need a reliable card without hunting down a full board swap. Buy Now at Newegg

Setting up an older laptop with a 3G or 4G modem is the main use case here, since this adapter lets you fit standard M.2 NGFF wireless cards into slots that wouldn't otherwise support them. Buy Now at Newegg

This little adapter works well for older desktops or laptops that lack built-in wireless, plugging into any USB 2.0 port to get you online without opening up the case. It's a reasonable fit if you just need basic web browsing and email speeds rather than heavy streaming or gaming. Buy Now at Newegg

Setting up a network of connected devices that need to talk to each other over distance gets easier with mesh support, since each node can relay signal to the next instead of relying on a single hub. Worth a look if you're building out a smart home or industrial sensor setup where a standard point-to-point Bluetooth connection just won't reach far enough. Buy Now at Newegg

Older desktops and laptops without built-in Bluetooth benefit most here, since this plugs into a spare USB port and adds wireless support for headphones, keyboards, and other devices without cracking open the case. Buy Now at Newegg

Server builders adding 10GbE networking will want this for the OCP 3.0 form factor, which frees up PCIe slots compared to a standard add-in card while giving you dual ports for redundancy or link aggregation. Buy Now at Newegg

Handy for older desktops or laptops missing Bluetooth entirely, letting you connect wireless headphones, keyboards, or a mouse without digging into your PC's internals; it's currently priced at its regular $15 list, so there's no discount factored in right now. Buy Now at Best Buy

Anyone dealing with dropped connections or laggy audio from a built-in Bluetooth chip can use this to add stable, longer-range wireless support to a desktop or older laptop. Buy Now at Newegg