
Small form-factor pluggable (SFP) transceivers are typically fiber-based, so this RJ45 variant is worth noting if you need to run copper Ethernet over Cat5e into an SFP port on your switch or router without pulling new fiber runs. Buy Now at Newegg
- 1Gbps Gigabit Ethernet data transmission
- 100m maximum cable reach
- RJ-45 interface for twisted pair cabling
- Aruba network hardware compatibility
- 1000Base-T industry standard compliance

Useful if you're adding a GPU to a system that lacks dedicated PCIe power connectors, letting you draw power from available SATA connections instead. Buy Now at Newegg
- PCI-Express 15-pin to dual 6-pin power adapter
- Powers high-performance graphics cards
- 20cm cable length for compact setups
- Reliable internal component power delivery

Useful if you need to add an extra monitor to a desktop or laptop that's run out of video outputs, since it converts a standard USB 2.0 port into an SVGA display connection without requiring an internal graphics card upgrade. Buy Now at Newegg
- 1680x1050 resolution output
- USB 2.0 connectivity
- Windows 7, XP, Vista compatibility
- SVGA video adapter support
- Model: Coolgear HD

Useful if your GPU power connector sits in an awkward spot inside your case and the cable from your PSU doesn't quite reach without pulling tight or routing poorly. Buy Now at Newegg
- 8-inch PCI Express power extension cable
- 8 pin male to female connector
- Compatible with PCI-E video card power inputs
- Extends cable reach for easier component installation
- Model: JacobsParts 8-pin PCI-E

Designed specifically for Surface Pro users who need a spare or replacement charger, this 65W adapter covers the power requirements for most Surface Pro models and works well as a second unit to keep at a desk or in a bag. Buy Now at Newegg
- 65W high-speed charging for Surface devices
- Compatible with multiple Surface Pro and Laptop models
- Universal compatibility with 65W, 44W, 36W, 24W chargers
- Extended 6.8 foot charging cable
- Model: 1706 Pro

A straightforward replacement part for anyone upgrading or adding a SATA drive to an HP EliteDesk 400, 600, or 800 G1/G2 SFF desktop, where the original cable is missing or damaged. Buy Now at Newegg
- SFF motherboard SATA power cable
- Compatible with EliteDesk 600, 800, 400 G1 G2
- Supports SFF hard disk power supply
- Model: 710825-002

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 good pick if you're running older peripherals or industrial equipment that still requires RS-232 serial connections and your motherboard doesn't have the ports to support them — this card adds four DB9 serial ports via an M.2 slot rather than a PCIe slot, which is useful if your PCIe lanes are already occupied. Buy Now at Newegg
- Adds 4 RS-232 serial ports via M.2 slot
- Compatible with Windows, Linux, and Android systems
- Supports serial networking and data acquisition applications
- Includes 4 serial DB9 cables
- Model: SY-PEX15066

Worth a look if your Zephyrus M15 GU502 is running loud or throttling under load, since worn-out stock fans are a common culprit and these are built to match the original spec. Newegg sells them as direct replacements, so you won't need to hunt for a compatible aftermarket part. Buy Now at Newegg
- Compatible with ASUS GU502 series laptops
- CPU and GPU dual cooling support
- Model: GU502GW
- Model: GU502GV
- Model: GU502LW

Handy for pulling data off an old laptop or desktop drive you've removed, since it lets you connect a bare SATA hard drive or SSD directly to a USB port without installing it in a computer. Buy Now at Newegg
- USB 3.0 to SATA 3 adapter cable
- Supports 6 Gbps data transfer speeds
- Compatible with 2.5 inch drives
- Enables external connectivity for hard drives
- Supports Bitcoin mining hardware configurations

Anyone building a case with multiple fans but only one CPU fan header on the motherboard can split that single connection four ways instead of buying a separate fan controller, and the 2-pack means you've got a spare for your next build. Buy Now at Newegg
- Connect four cooling fans to one motherboard header
- Sleeved cable design for durability and cable management
- Precise power distribution for case cooling fans
- Extension cable length simplifies complex builds
- High precision 4-way CPU fan power splitter

Old hard drives sitting in a drawer are worth a second look with this kit, since it works with both SATA and IDE drives to pull data off or repurpose them as external storage without buying an enclosure for each one. Buy Now at Newegg
- Supports 2.5/3.5 inch IDE and SATA drives
- USB 3.0 interface for high-speed data transfer
- Supports drives up to 10TB capacity
- Enables external data recovery and drive conversion
- Universal compatibility for HDD and SSD drives

Handy for anyone with an old hard drive sitting in a drawer, this kit connects it via USB so you can pull files off without buying a whole new enclosure. Buy Now at Newegg
- Supports 2.5 and 3.5 inch HDD and SSD
- Includes 12V power adapter
- Converts drives for external connectivity

Anyone building or refreshing a PC will get better airflow and a lit-up interior without buying fans and lighting separately, since this pack bundles both in one purchase from Newegg. Buy Now at Newegg
- 120mm PWM cooling fans
- Dynamic RGB LED lighting system
- Includes dedicated fan lighting controller
- Magnetic LED strips for easy mounting
- Three-pack fan cooling kit

Handy for troubleshooting a build that won't post, since the beep codes tell you where the problem actually is instead of leaving you to guess. Anyone who does their own PC builds or repairs will want one on hand rather than borrowing it after something goes wrong. Buy Now at Newegg
- Audible system error alerts
- Direct motherboard diagnostic feedback
- Compact internal case installation

Your PC's thermals matter more than most people admit, and this fan is a solid pick for anyone building a quiet workstation or gaming rig who's tired of case fans that whine under load. Noctua's SSO2 bearing design and PWM control mean it ramps up when you need airflow and drops back down when you don't, without the annoying hum. Buy Now at Newegg
- 92mm premium PC cooling fan
- PWM speed control
- High-performance airflow efficiency
- Ultra-quiet acoustic profile
- Model: NF-A9

Anyone building or upgrading a PC will get quieter airflow and customizable RGB lighting out of this 3-pack, and buying as a set works out cheaper than picking up individual fans from Newegg. Buy Now at Newegg
- 500-1700 RPM speed range
- 20-78 CFM airflow
- PWM control via 4-pin connector
- Rifle bearing for durability
- Addressable RGB lighting

This front panel hub adds accessible USB 3.0 ports right to your desktop's drive bay, saving you from crawling behind the tower every time you need to plug something in. Anyone with a case that has a spare 5.25-inch slot and USB-hungry peripherals will get the most use out of it. Buy Now at Newegg
- Adds 8 USB 3.0 ports to 5.25-inch drive bay
- Front panel access for easy peripheral connectivity
- Supports high-speed data transfer via 19-pin header
- Installs directly into computer case CD-ROM drive bay

Handy for anyone building or upgrading a PC where the stock fan cable just won't reach the header, letting you route power without cramming components closer together than you'd like. Buy Now at Newegg
- 42cm PWM fan extension cable
- Connects 4-pin motherboard to CPU fans
- Extends fan reach inside computer cases
- Ensures stable power for cooling components
- Standard 4-pin design for wide compatibility

Wiring more drives into a build without extra power cables to spare? This splitter takes a single SATA power connector and feeds five drives, which suits anyone setting up a multi-bay NAS or storage server. Buy Now at Newegg
- Powers five SATA drives from one power connector
- 15-pin SATA compatibility for PC and server hardware
- Durable cable replacement for drive power expansion
- Reliable power distribution for multiple hard drives
- Standardized design for easy internal PC installation