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Black ultra-slim Cat6a Ethernet cable 20ft with transparent snagless RJ45 connectors

Cable Leader

Cable Leader 20ft Cat6a Ethernet Cable Slim 28AWG 4.0mm Black

SKU CH-9Z17-ZE45H

Slim 4.0mm Cat6a patch cable supports 10 Gigabit speeds up to 100m at 500MHz with 28AWG bare copper and gold-plated RJ45 contacts

  • TypeNetwork Ethernet Cables
  • Cat6A
  • Connector ARJ45
  • Connector BRJ45
  • Length20 ft.
  • ColorBlack

Length 20ft

Show 7 more configurations

Color Black

  • 10 Gigabit speed up to 100m at 500MHz
  • Ultra-slim 4.0mm jacket saves rack space and improves airflow
  • 28AWG bare copper with 50-micron gold contacts for reliable signal integrity
  • Snagless boot protects locking clip during dense routing and re-patching
  • Backward compatible with Cat6 and Cat5e for drop-in network upgrades

Ultra-Slim 4.0 mm Cat6a Patch Cable

The Cable Leader 20ft Cat6a Ethernet Cable delivers 10 Gigabit wired connectivity in a 4.0 mm jacket that is far thinner than standard 6.9 mm Cat6a cords. It uses 28AWG bare copper conductors in four twisted pairs with 50-micron gold-plated RJ45 contacts. The transparent snagless boot protects the locking clip during routing and re-patching in dense bundles.

Drop-In Upgrade for High-Density Racks

This cable replaces bulkier Cat6a patch cords when rack space and airflow are constrained. The slim profile allows more cables per rack unit and tighter bend radii behind patch panels, improving cooling across switches and servers. It supports 10GBASE-T up to 100 meters at 500MHz and remains fully backward compatible with existing Cat6 and Cat5e infrastructure.

Practical Limits of the Cat6a Standard

The Cat6a standard caps 10GBASE-T at 100 meters and 500MHz, so runs beyond that distance require fibre or additional switching. The unshielded UTP construction offers no protection against strong electromagnetic interference near heavy electrical gear. The 28AWG conductors have higher insertion loss than thicker gauges, making the cable best suited for short patch links rather than long horizontal runs.

Highlights

  • 10 Gigabit speed up to 100m at 500MHz
  • Ultra-slim 4.0mm jacket saves rack space and improves airflow
  • 28AWG bare copper with 50-micron gold contacts for reliable signal integrity
  • Snagless boot protects locking clip during dense routing and re-patching
  • Backward compatible with Cat6 and Cat5e for drop-in network upgrades

Specifications

BrandGENERIC
TypeNetwork Ethernet Cables
Cat6A
Connector ARJ45
Connector BRJ45
Length20 ft.
ColorBlack
ShieldedNo
Wire Gauge28 AWG

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Questions about this item

How much clearance does the 4.0mm jacket need behind a patch panel?

The 4.0mm outer diameter lets the cable bend tightly in high-density racks, leaving more room for airflow and additional cables per rack unit compared with standard 6.9mm Cat6a cords.

What is the correct way to seat the RJ45 plugs so the locking clip does not break?

Push each 8P8C plug straight in until the transparent snagless boot clicks; the boot shields the clip during routing and prevents snags when you later remove or re-patch the cable.

When should I replace this cable if it stays in a server rack?

Inspect the 50-micron gold-plated contacts and snagless boots during routine maintenance; replace the cable if the boots crack, the clip loses tension, or you see corrosion on the contacts.

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