Adapter Deals & Adapters for Sale

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

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

Networking professionals managing HP-branded switches will appreciate that this transceiver meets the same specs as the original module without the brand markup. It handles 10Gbps multimode fiber connections up to 300 meters, making it a solid pick for anyone building out or maintaining a data center rack. Buy Now at Newegg

Anyone stuck with a laptop that dropped its ethernet port will find this useful, especially for tasks like large file transfers or video calls where you don't want to rely on spotty WiFi. Buy Now at Newegg

Server builders and NAS enthusiasts wanting to eliminate network bottlenecks will get real use out of this, since 10Gbps far outpaces standard gigabit ports for large file transfers and backups. It's a straightforward upgrade for anyone with a desktop and a compatible switch or router already in place. Buy Now at Newegg

Handy for laptops that ditched the ethernet port, letting you plug into a wired connection whenever Wi-Fi isn't reliable enough for the task at hand. Buy Now at Newegg

Suits anyone maxing out a single network port, since the dual-port design lets you run failover or link aggregation without adding a second card, and it's a straightforward way to add reliable wired connections to a home server or NAS build. Buy Now at Newegg

Server builders and small business network upgraders will want this for reliable 10-gigabit wired throughput without tying up a standard PCIe slot, since the OCP 3.0 form factor slots directly into compatible motherboards. The dual-port setup also gives you redundancy or link aggregation options if your network gear supports it. Buy Now at Newegg

Anyone building home automation or IoT setups where wifi signal is unreliable will get more consistent results running this module over a wired ethernet connection instead. It pairs ESP32's processing power with a built-in ethernet port, so you skip the flaky wireless connections that can trip up projects needing a stable network link. Buy Now at Newegg

Anyone building out or expanding an Aruba network setup will want this on hand for long-haul fiber runs, since it supports up to 10km over single-mode fiber at 25G speeds. Buy Now at Newegg

Anyone with an older desktop that lacks built-in Bluetooth can add wireless keyboard, mouse, or headphone support with this dongle, no internal hardware installation required. Buy Now at Newegg

Anyone building or upgrading a compact PC needs a Wi-Fi 6 and Bluetooth solution that doesn't take up a PCIe slot, and this M.2 card handles both without hogging space. It suits budget or small-form-factor builds where you want modern wireless speeds without paying for higher-end AX210 or AX211 chipsets. Buy Now at Newegg

Worth a look for anyone setting up a home lab or small server closet that needs 10-gigabit speeds between machines, since this card gives you two ports for a direct connection or a switch uplink without hunting for pricier enterprise gear. Buy Now at Newegg

Anyone dealing with dropped connections or laggy wireless audio on an older desktop can plug this in and get a straightforward upgrade to Bluetooth 5.0's range and stability. It's an easy fix for PCs that never had Bluetooth built in or are stuck with an outdated version. Buy Now at Newegg

Anyone building or upgrading a desktop PC that lacks wireless capability can add this card for faster Wi-Fi 6 speeds and a stable Bluetooth 5.2 connection without running an external USB adapter. Buy Now at Newegg

Handy for older desktops or laptops that never came with wireless built in, since it adds Bluetooth support through a simple USB port instead of requiring you to crack open the case. Keep in mind Bluetooth 2.0 is an older standard, so it's better suited for basic peripherals like a mouse or keyboard than for high-speed audio or file transfers. Buy Now at Newegg

Anyone building or upgrading a PC who wants faster wireless speeds and less network congestion should look at this, since the tri-band setup spreads traffic across more channels than typical dual-band cards. It's a straightforward M.2 swap for gamers or heavy downloaders who don't want to run an ethernet cable to every room. Buy Now at Newegg

Adds Bluetooth 5.3 to a desktop or laptop that's missing it, which comes in handy for connecting wireless keyboards, mice, or headphones without eating up a USB slot on an older adapter. Newegg has it at a price that makes sense for what's essentially a one-time fix for a common connectivity gap. Buy Now at Newegg

Handy for reviving an older Dell laptop that's missing mobile broadband, letting you get online without relying on a hotspot or Wi-Fi. Newegg carries it as a straightforward internal upgrade if your model has the WWAN slot ready to go. Buy Now at Newegg

Handy for laptops that ditched the ethernet port but still need a stable wired connection for gaming, streaming, or transferring large files without wifi interference. The 5Gbps speed also makes it a solid match for newer routers where standard gigabit adapters would leave bandwidth on the table. Buy Now at Newegg

Networking pros and IT admins upgrading fiber links to 10G will want this for long-range single-mode connections up to 10km, and it's currently $4 off the list price at Newegg. Buy Now at Newegg

Home lab builders and small office setups looking to move beyond gigabit speeds will find this card useful for connecting NAS devices or handling multiple high-bandwidth streams at once. The dual-port setup lets you run redundant connections or split traffic across two network segments without adding a second card. Buy Now at Newegg