Computer Cable Deals & Computer Cables for Sale

Handy for older cases or builds where your front-panel USB header doesn't match the motherboard connector, letting you use a USB 3.0 front-panel cable on a USB 2.0 port (with a speed trade-off). The 2-pack gives you a spare or covers multiple builds. Buy Now at Newegg

Useful if you're building or modifying a system that needs to connect a USB Type-B port to a 5-pin PH2.0 header on your motherboard, and the 0.35m length keeps things tidy inside a compact case. Buy Now at Newegg

Newegg has the Juniper QSFP100GSR1P2 for those building or expanding a 100G network infrastructure who need a manufacturer-matched transceiver rather than a third-party alternative. Using Juniper's own optics avoids potential compatibility issues on Juniper switches and routers where third-party modules can trigger warnings or require workarounds. Buy Now at Newegg

Short patch cables like this are handy when you're connecting devices that sit close together, like a router to a modem or a PC to a nearby switch, and you don't want excess cable bunching up behind your desk. Buy Now at Newegg

Handy for laptops or desktops that have a faulty or missing headphone jack, this adapter lets you plug in any standard 3.5mm headset or speakers through a USB port instead. Buy Now at Newegg

Cat 8 is the current top spec for consumer Ethernet cables, rated for speeds up to 40Gbps, which is more than most home setups need today but gives you headroom if your hardware catches up. At 200 feet, this is a long run suited for wiring across a house or to a detached garage, and it's currently $7 off the list price. Buy Now at Walmart

A straightforward cable for anyone connecting a device to a router, switch, or patch panel where Wi-Fi isn't an option or isn't reliable. Cat6a supports speeds up to 10Gbps, so it's a step above the Cat5e and Cat6 cables that still ship with most networking gear. Buy Now at Newegg

A straightforward pick for anyone who needs a reliable wired connection between a router, switch, or modem and a nearby device, with the 7-foot length giving you enough slack to route the cable cleanly without excess. Buy Now at Newegg

Short runs between a router, switch, or patch panel and a nearby device are where this cable fits, and at one foot it keeps things tidy without the slack of a longer cord. Buy Now at Newegg

A solid pick for anyone who needs a longer Ethernet run, like connecting a desktop, console, or media player to a router across a room or between floors, without relying on Wi-Fi. Buy Now at Newegg

A 30-foot Cat5e Ethernet cable is useful when you need a longer run between a router, switch, or wall jack and a device that doesn't have reliable Wi-Fi, and the snagless boot helps keep the connector intact over repeated plugging and unplugging. At $22, that's $8 off the $30 list price. Buy Now at Newegg

A 30-foot Cat6A cable handles up to 10Gbps speeds, which makes it a practical buy if you're running a longer wired connection to a NAS, gaming PC, or home office setup. At $15, that's about $3 off the list price. Buy Now at Newegg

A straightforward pick for anyone who needs a reliable, short-run cable connection between a router, switch, or patch panel — Cat6a supports speeds up to 10Gbps, which gives you headroom beyond what most Cat5e or Cat6 cables offer at the same price point. Buy Now at Newegg

A 20-pack of RJ11 keystone adapters is useful if you're splitting telephone lines at wall jacks without running new wiring, and at $19, that's $14 off the $33 list price. Buy Now at Newegg

A tidy solution for running two keystone jacks through a single wall plate, useful for home networking setups where you want a clean, permanent termination point instead of surface-mounted adapters. At $10, that's $2 off the $12 list price. Buy Now at Newegg

A short patch cable like this suits anyone who needs a tidy, close-range wired connection between a router, switch, or modem and a nearby device without a tangle of excess cable. Buy Now at Newegg

A flat cable profile makes it easier to run along walls or under rugs without the bulk of a round cable, and at $8, that's about $1 off the $9 list price. Buy Now at Newegg

A good option if you're wiring a home or small office and want to run a single long cable rather than daisy-chaining shorter ones — Cat8 supports speeds up to 40Gbps, which gives you headroom well beyond what most home networks currently need. Buy Now at Newegg

Handy for PC builders who want to run multiple case fans from a single motherboard header without losing speed control, since the PWM signal passes through to all four connections. Buy Now at Newegg

Handy for pulling data off an old laptop or desktop drive when you don't have a spare enclosure lying around, just connect the bare drive straight to your computer's USB-C port. Buy Now at Newegg

Anyone building out a multi-fan setup will appreciate having five of these on hand, since it lets you run multiple case fans off a single motherboard header without hunting down cables one at a time. Buy Now at Newegg

Anyone building or upgrading a PC with multiple case fans but only one motherboard header will find this cable useful for running them all off a single PWM connection without extra hardware. Buy Now at Newegg

Repurposing an old SATA hard drive or SSD as external storage is straightforward with this cable, since it lets you plug the drive straight into a USB port without needing an enclosure. It's a handy option for anyone who wants to pull data off a spare drive or use it for backups without buying extra hardware. Buy Now at Newegg

Handy for anyone building a PC and needing to power a standard 4-pin PWM fan off a barrel-jack DC5521 supply, like in a fanless case mod or external cooling setup. Buy Now at Newegg

This replacement adapter suits anyone whose original LG 34WL550 power supply died or went missing, saving you a trip to the repair shop for what's otherwise a working monitor. Newegg carries it as a direct fit, so you won't have to hunt down specs or gamble on a generic universal adapter. Buy Now at Newegg

This splitter lets you run four PWM fans off a single Molex power connector, which is handy if your motherboard doesn't have enough fan headers to go around. It's a simple fix for anyone building a case with multiple fans but limited onboard connections. Buy Now at Newegg

Handy for older or budget power supplies that only have 4-pin CPU connectors but your motherboard needs 8-pin, and having two on hand covers a second build or a spare for later. Buy Now at Newegg

Anyone upgrading to a newer power supply with a single 12-pin connector will want this on hand to keep an older dual 8-pin graphics card running without buying a whole new cable setup. Buy Now at Newegg

Older power supplies often lack native PCIe connectors, so this cable lets you convert existing Molex connectors to power a modern video card without buying a whole new PSU. Buy Now at Newegg

Older power supplies without a native 8-pin GPU connector can still run newer graphics cards with this adapter, so it's worth having if you're upgrading a GPU without replacing the whole PSU. Buy Now at Newegg

Handy for older cases or peripherals that only support USB 2.0 headers, so you can still connect them to a newer motherboard without losing functionality. Buy Now at Newegg

Anyone building a small-form-factor PC or mounting a GPU vertically will want this to reroute the graphics card connection without sacrificing PCIe bandwidth to a slower SATA-based riser. Buy Now at Newegg

This 15cm cable converts a P4 power connector to 4-pin Molex, useful if you're wiring up an older drive or fan that doesn't match your PSU's connectors and don't want to buy a whole new cable set. Buy Now at Newegg

Handy for anyone upgrading a graphics card whose power supply only has a single 6-pin connector, since it splits into dual 8-pin plugs without needing a whole new PSU. Buy Now at Newegg

Anyone building or upgrading a PC with multiple RGB fans can use this to run them all off a single motherboard header instead of hunting for extra ports, as long as your board supports standard 5V 3-pin addressable headers. Buy Now at Newegg

This is a practical fix for anyone upgrading a graphics card that needs more power connectors than their PSU currently offers, and having eight in a pack means you won't be scrambling if one adapter fails or you're outfitting multiple builds. Buy Now at Newegg

Server upgraders swapping in a modern GPU will want this on hand since it bridges the proprietary 10-pin output on the DL580 Gen9 to the standard 8-pin connector most graphics cards actually use. Buy Now at Newegg