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Black adapter cable with 20-pin USB 3.0 female and 9-pin USB 2.0 male connectors

TeKit

TeKit USB 3.0 20-Pin Female to USB 2.0 9-Pin Male Adapter Cable

SKU CH-M3PE-8X60G

Connects a USB 3.0 20-pin front-panel header to a USB 2.0 9-pin motherboard header at 480 Mbps

  • Connection typeUSB Motherboard Connector,20Pin USB3.0 Female to 9Pin USB2.0
  • Connector count2
  • Connector detailsUSB Motherboard Connector,20Pin USB3.0 Female to 9Pin USB2.0
  • Connector genderFemale to Male
  • Plug typePlug Type “A” (USA, Canada, Mexico, Japan)
  • Product typeUSB Motherboard Connector,20Pin USB3.0 Female to 9Pin USB2.0
  • Connect USB 3.0 front-panel devices to USB 2.0 motherboard headers
  • 12 cm cable fits tight case spaces without clutter
  • Shielded construction reduces signal interference for reliable data transfer
  • Supports 480 Mbps throughput on connected USB 3.0 devices
  • 20-pin female to 9-pin male adapter enables legacy motherboard compatibility

USB 3.0 20-pin to USB 2.0 9-pin adapter

This adapter cable connects a USB 3.0 20-pin front-panel header to a motherboard USB 2.0 9-pin header. It suits builders whose chassis has a newer front-panel connector but whose board only offers the older header. The 12 cm black cable is shielded and carries two connectors. Data throughput is limited to 480 Mbps when a USB 3.0 device is attached.

Speed limited to USB 2.0 rates

The cable physically bridges the 19-pin USB 3.0 plug to the 9-pin USB 2.0 socket, so SuperSpeed lanes remain unused. Any connected device will operate at High-Speed 480 Mbps instead of the 5 Gbps the front panel could otherwise deliver. No driver or software is required; the motherboard simply negotiates the slower link. This is a passive mechanical and electrical conversion only.

Simple header installation

Alignment keys on both headers prevent reversed insertion, so the cable plugs in one way. The short 12 cm length reduces clutter but can strain if the motherboard header sits far from the front-panel cut-out. Ensure the 9-pin header on the board is a standard USB 2.0 front-panel type; proprietary or powered headers will not mate correctly.

How it compares

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

Price $3.99
Cheaper than about 96% of the 15,227 comparable items (median $14.99).

Specifications

Product
Brand nameTekit
Product typeUSB Motherboard Connector,20Pin USB3.0 Female to 9Pin USB2.0 Male Motherboard Adapter Converter Cable
Product colorBlack
Ports & slots
Connection typeUSB Motherboard Connector,20Pin USB3.0 Female to 9Pin USB2.0 Male Motherboard Adapter Converter Cable
Connector count2
Connector detailsUSB Motherboard Connector,20Pin USB3.0 Female to 9Pin USB2.0 Male Motherboard Adapter Converter Cable
Connector genderFemale to Male
Power
Plug typePlug Type “A” (USA, Canada, Mexico, Japan)
Size & build
Cable shieldingYes

Questions about this item

Will the 20-pin USB 3.0 female connector or the 12 cm cable need periodic replacement?

The adapter has no moving parts; the shielded 12 cm cable and 20-pin female connector are rated for the life of the build unless physically damaged.

What limits sustained throughput when a USB 3.0 device runs through this 9-pin USB 2.0 header?

The 9-pin USB 2.0 header caps the link at 480 Mbps, so that ceiling appears before any cable-length or shielding limit.

Does the adapter add noticeable heat or fan noise when the front-panel ports run all day?

It is a passive 19-pin to 9-pin cable with no active electronics, so it generates no measurable heat and produces zero acoustic noise.

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