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Black internal USB 3.0 hub splitting one 19-pin header into two 20-pin headers with short cable and extra power connector

EN-Labs

EN-Labs Internal USB 3.0 Hub 19/20P to Dual Male Headers 1.3ft

SKU CH-SMHC-KYYF9

Splits a single motherboard USB 3.2 Gen1 19-pin header into two 20-pin headers, adding four internal USB 3.0 ports with up to 5 Gbps transfer speed and an extra 4-pin power connector for stable

  • Connection typeUSB A to USB A
  • Product colorBlack
  • Splits one motherboard 19-pin header into two 20-pin headers
  • Delivers USB 3.2 Gen1 speeds up to 5Gbps for fast file transfers
  • Includes a small 4-pin power connector for stable, sufficient power
  • Backward compatible with USB 2.0, 1.1 and 1.0 devices
  • Self-adhesive backing allows quick, tool-free installation inside the case

Internal USB 3.0 hub for desktop builders

This EN-Labs hub converts a single motherboard USB 19-pin header into two 20-pin headers, adding four USB 3.0 ports inside the case. It is aimed at system integrators and enthusiasts who need more front-panel or internal connections for drives, peripherals or accessories.

Fits a spare 19-pin header

The 1.3ft cable links the motherboard header to the hub, while an included 4-pin power connector supplies stable current for connected devices. A self-adhesive pad secures the hub to the chassis, freeing expansion slots and keeping cable routing tidy.

Replaces makeshift header splitters

Builders who have exhausted the single USB 3.0 header on their board can gain four ports without occupying a PCIe slot. The upgrade is worthwhile when multiple internal USB 3.0 devices such as card readers, fan controllers or external drive bays must run simultaneously at 5Gbps.

How it compares

Measured against everything we stock in USB Cords & Extension Cables, at today’s prices. Recalculated every night.

Price $15.99
Pricier than about 55% of the 15,227 comparable items (median $14.99).

Specifications

Product
Product colorBlack
Ports & slots
Connection typeUSB A to USB A

Questions about this item

How many internal USB 3.0 19-pin headers does this hub add to a single motherboard header?

It duplicates one motherboard USB 3.0 19-pin header into two 20-pin headers, giving you two internal ports from one.

Does the hub need extra power when running multiple devices all day?

Yes, a small 4-pin power connector is included to provide stable power and prevent data issues under sustained load.

What motherboard header must already be free to plug this in?

You need an available USB 3.0 19-pin male header on the motherboard to connect the hub’s 1.3 ft cable.

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