
Useful if you're upgrading to a newer GPU that uses the 12-pin (or 12VHPWR) connector but your power supply only has standard 8-pin PCIe cables, which covers most PSUs made before 2021 or so. Buy Now at Newegg
- Powers RTX 3070 and 3090 cards
- Connects two 8-pin to one 12-pin
- Enables 12-pin power supply compatibility
- Ensures stable GPU power delivery
- Durable adapter cable construction

A 35-foot Cat6 patch cable works well for running a wired connection across a room when Wi-Fi isn't reliable enough, and the snagless boot protects the clip from breaking when routing through tight spaces. At $24, that's about $9 off the $33 list price. Buy Now at Newegg
- Supports bandwidth up to 550 MHz
- Snagless RJ45 connector design
- Durable 24 AWG stranded copper conductors
- 50 micron gold-plated RJ45 connectors
- Complies with TIA/EIA-568-B-2.1 Cat6 standards

A 10-pack of DB9-to-RJ45 adapters is useful if you're working with legacy serial equipment or running RS-232 connections over structured cabling, where you need to terminate or extend signals through standard RJ45 jacks without soldering or custom cables. Buy Now at Newegg
- DB9 Female to RJ45 Female modular adapter
- Supports 8 conductor network connections
- Enables serial to network data conversion
- Includes 10 adapters per package
- Durable PVC construction for reliable communication

A 12-pack of 2-foot Cat6 cables is useful when you're wiring up a patch panel, network switch, or media cabinet where you need short runs between nearby ports. At $27, that's about $3 off the $29 list price. Buy Now at Newegg
- Category 6 speed up to 550MHz
- Pure bare copper 24AWG wire
- Snagless RJ45 connector design
- Flexible FLEXboot strain relief
- Model: 141814

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
- 3.5mm microphone and speaker audio interface
- USB to audio adapter compatibility
- Integrated LED status lighting
- Compact portable external sound card design
- Plug and play PS4 Pro and computer connectivity

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
- Supports 40Gbps data transmission speed
- 2000MHz bandwidth for high-performance networking
- Universal compatibility with RJ45 devices
- Weatherproof and UV-resistant for outdoor use
- Double-shielded design reduces EMI and RFI interference

Suits anyone wiring a 240V outlet for a welder, compressor, or similar heavy-duty equipment that draws more current than a standard household outlet can handle. Buy Now at Home Depot

Useful if you need to replace or add a locking male plug on a 250V circuit, particularly for generators, industrial equipment, or heavy-duty power tools that require a secure, twist-lock connection to prevent accidental disconnection. Buy Now at Home Depot

Designed for generators and RV hookups, this locking plug handles 50-amp, 240V connections where a standard plug would be undersized or unsafe for the load. Buy Now at Home Depot

Handy for routing cables along walls, desks, or baseboards without drilling holes, especially if you're tidying up a home office or entertainment setup with minimal effort. Buy Now at Home Depot

Handy for managing cable clutter behind desks, entertainment centers, or anywhere cords tend to pile up — the self-adhesive backing means no tools or drilling required. Buy Now at Home Depot

Handy for pulling data off an old laptop drive or cloning a hard drive without buying a full enclosure, this adapter connects 2.5" and 3.5" SATA drives directly to a USB-C port on your current machine. Buy Now at Newegg
- 5Gbps high-speed data transfer
- Supports both 2.5 and 3.5 inch drives
- Includes dedicated external power adapter
- Universal USB-C to SATA III compatibility
- Compact portable design weighing only 29g

A short adapter cable useful for connecting older Mac serial peripherals, MIDI devices, or other equipment that uses the MD8 connector when your ports are just out of reach or need a male-to-male bridge. Buy Now at Newegg
- Mini DIN 8-pin to Mini DIN 8-pin connection
- Enables daisy chain cascading for camera networking
- Compatible with Sony video conference cameras
- Compact 0.3m cable length

Designed for crypto miners or anyone building a multi-GPU rig, this riser lets you mount graphics cards away from the motherboard using a USB 3.0 extension cable, with the SATA to 6-pin adapter handling power without needing a dedicated PCIe power connector. Buy Now at Newegg
- 1x to 16x PCIe riser card
- USB 3.0 data cable
- 6-pin PCIe power supply
- SATA to 6-pin power adapter

A useful find if your MacBook Air 13-inch (A1466) has developed audio issues or a faulty power connection, since replacing this cable is often the fix before considering a more costly repair. Buy Now at Newegg
- Compatible with MacBook Air 13-inch A1466 2012
- Connects power supply board to I/O board
- Restores power functionality to MacBook Air
- Direct replacement for original 821-1477-A cable
- Ensures stable power transmission for internal components

Useful if your laptop uses a 5.5mm x 2.1mm barrel connector and you want to charge it from a USB-C power source, like a power bank or a single-cable desk setup. Buy Now at Newegg
- Converts PD charger to 12V DC output
- Supports 12V 3A maximum power delivery
- Universal 5.5mm x 2.1mm DC barrel connector
- Durable aluminum alloy shell with bend protection
- 3.3FT cable length for flexible device powering

The flat, rotating plug is the main reason to consider this cord — it sits flush against the wall and lets you position the outlet prong at whatever angle works for your setup, which helps when you're tight on space behind a desk or monitor stand. Buy Now at Newegg
- 360° rotating flat plug for flexible positioning
- Universal compatibility with standard 3-pin devices
- Extended reach for desktop electronics
- Durable SJT grounded 3-conductor construction
- NEMA 5-15P plug for reliable power connection

Useful if you're adding multiple case fans to a system that's short on motherboard fan headers, since it draws power directly from a Molex connector instead of tying up your limited PWM slots. Buy Now at Newegg
- Molex to 4x PWM fan splitter
- Supports synchronized PWM fan speed control
- Provides RPM feedback to motherboard
- 16-inch extended reach cable
- Durable 26AWG copper conductor construction

Handy for connecting older motherboards with 9-pin USB headers to newer front-panel connectors that require 11-pin, solving a compatibility gap that would otherwise leave a port unused. Buy Now at Newegg
- USB 9Pin to 11Pin internal header conversion
- Compact mini design for small form factor cases
- Reliable internal connection for motherboard peripherals
- Plug and play motherboard interface cable
- High-speed data transfer for front panel connectivity

Handy for builders retrofitting a modern ATX power supply into a smaller form factor system that only has a 6-pin connector, saving you from having to buy a new PSU just to fit the slot. Buy Now at Newegg
- Converts 24-pin ATX to 6-pin HP proprietary power
- Compatible with HP Z220 and Z230 SFF workstations
- Uses standard 18AWG wiring for reliable power delivery
- 30cm length for flexible internal cable management