Home / Guides
Cable buying and compatibility guides
Choose connector type, bandwidth, charging, data speed, length and compatibility.
Long PoE Run Voltage Drop Explained
Long Power over Ethernet (PoE) runs can lose voltage as current travels through conductor resistance. Learn how cable length, conductor size, PoE load, temperature, and installation affect reliable power delivery.
Read guideEthernet Cable Near Power Cables
Ethernet cable can run near power wiring, but the safe and reliable approach depends on parallel distance, crossing points, cable construction, PoE load, and local electrical rules. This guide explains how to plan separation without relying on a misleading one-size-fits-all distance.
Read guideEthernet Cable Through Walls: What to Check
A permanent in-wall Ethernet run depends on more than the RJ45 plug. Check the route length, target speed, PoE load, conductor construction, jacket rating, and termination method before pulling cable.
Read guidePlenum vs Riser Ethernet Cable
Choose between CMP plenum and CMR riser Ethernet cable based on the building pathway, not just the RJ45 connector or Cat rating. This guide covers fire ratings, PoE, conductor choices, length, and installation checks.
Read guideDirect Burial Ethernet Cable Explained
Direct burial Ethernet cable is designed for underground installation, but the right choice still depends on distance, network speed, PoE load, conductor quality, and local installation rules. This guide explains what to check before buying or burying a run.
Read guideOutdoor Ethernet Cable Explained
Choose outdoor Ethernet cable by distance, network speed, PoE load, and exposure—not by connector shape alone. This guide explains jacket ratings, conductor choices, installation limits, and long-run checks.
Read guideCopper vs CCA Ethernet Cable
Copper-clad aluminum (CCA) Ethernet cable may cost less, but its higher resistance makes it a poor choice for standards-compliant networking and PoE. Learn how conductor material, gauge, cable rating, and installation conditions affect a long run.
Read guide24AWG vs 26AWG Ethernet Cable
24 AWG Ethernet cable uses thicker conductors than 26 AWG, which generally means lower resistance, better voltage performance for PoE, and less flexibility. The right choice also depends on cable category, conductor material, length, construction, and installation environment.
Read guideDoes Ethernet Cable Gauge Matter for PoE?
Ethernet cable gauge affects PoE voltage drop, conductor heating, and the usable margin on long or heavily loaded runs. Choose the cable based on run length, negotiated PoE load, conductor material, cable construction, and installation environment—not gauge alone.
Read guidePoE vs PoE+ vs PoE++ Cable Requirements
Higher PoE levels do not automatically require a different connector, but they can make cable resistance, conductor construction, bundling, and installation conditions more important. Match the Ethernet category, PoE standard, distance, and power budget—not just the RJ45 plug.
Read guideUSB4 20Gbps vs 40Gbps Cable
A USB4 40Gbps cable offers twice the theoretical link rate of a 20Gbps cable, but your host, device, dock, display setup and protocol all determine the result. Use the higher-rated cable when your workflow depends on fast storage, high-bandwidth docking or multiple data paths.
Read guideUSB 3.2 Gen 2 vs Gen 2x2 Cable
USB 3.2 Gen 2 supports up to 10Gbps, while Gen 2x2 supports up to 20Gbps. To reach 20Gbps, the host, device, and cable must all support Gen 2x2—and the USB-C connector alone does not guarantee it.
Read guideUSB 3.2 Gen 1 vs Gen 2 Cable
USB 3.2 Gen 1 cables support a 5Gbps link rate, while Gen 2 cables support up to 10Gbps. The difference matters most for external SSDs and other high-throughput devices, but the slowest component in the connection sets the result.
Read guideUSB-C Cable Compatibility Checklist
USB-C describes the connector shape, not what a cable can do. Use this checklist to verify charging, USB data, video support, markings, and length before you buy.
Read guideCan Any USB-C Cable Connect a Dock?
A USB-C plug may fit your laptop and dock while the cable still limits charging, USB data, or display output. Learn which cable capabilities to verify before connecting a dock.
Read guideCan a Charging-Only USB-C Cable Carry Video?
A USB-C connector does not guarantee video support. If a cable is genuinely charging-only or has only USB 2.0 wiring, it normally cannot carry USB-C DisplayPort Alt Mode video.
Read guideHow to Tell What a USB-C Cable Supports
USB-C describes the connector shape, not the cable’s charging, data, or video capability. This guide shows how to identify an unknown cable using markings, device tests, and compatibility checks.
Read guideUSB-C Cable With E-Marker Explained
An e-marker is a small chip in some USB-C cables that reports the cable’s power and data capabilities to connected devices. Learn when it matters—and why an e-marker alone does not make every USB-C cable fast or high-power.
Read guideFull-Featured USB-C Cable Explained
“Full-featured” usually means a USB-C cable has more than USB 2.0 wiring, but it does not guarantee a specific data rate, charging wattage, or video mode. Learn how to verify each capability before buying.
Read guideUSB-C to USB-C vs USB-A to USB-C
USB-C to USB-C usually offers the clearest path to USB Power Delivery, higher USB data modes, and USB-C video features—but the connectors alone do not guarantee them. USB-A to USB-C can work well for legacy charging and data, but the USB-A host often sets a lower feature ceiling.
Read guideUSB-C Cable for MacBook
A USB-C plug does not tell you whether a cable can charge a MacBook, run a display, or reach the required storage speed. Choose the cable by its power rating, USB or Thunderbolt data capability, and video support—not connector shape alone.
Read guideUSB-C Cable for a Laptop
A USB-C plug does not tell you whether a cable can charge a laptop, transfer data at the required speed, or carry video. Match the cable’s power rating, USB data capability, and video support to both devices and the charger or dock.
Read guideUSB-C Cable for an External SSD
A USB-C plug does not guarantee fast SSD transfers. Learn how to match the cable’s USB data capability, charging support, length, and any video requirements to your external SSD setup.
Read guideUSB-C Cable for a Docking Station
A USB-C docking station cable must support the dock’s required charging, USB data, and display features—not merely fit the port. Use this checklist to verify capability before buying.
Read guidePage 1 of 3Next