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Black metal bracket with two USB-A ports and a flat ribbon cable to 5-pin motherboard headers

STARTECH

STARTECH USBPLATE 2-Port USB A Female Slot Plate Adapter

SKU CH-9SC2-539NY

Adds two USB 2.0 Type-A ports to a case bracket via 11.25 inch cables that connect to 4- or 5-pin motherboard headers

  • ColorBlack
  • Cable LengthNo
  • Changer TypeUSB Gender Changer
  • SpecificationsConnector A: 2 - IDC (5 pin; Motherboard Header) Female Conn
  • FeaturesProvides two USB port connections to a motherboard Two stand
  • Weight0.11
  • Adds two rear USB ports via a single motherboard header
  • 25 inch cable reaches most ATX board layouts
  • Works with both 4-pin and 5-pin header pinouts
  • Separate cables fit single-row or dual-row header blocks
  • USB 2.0 compliant for broad peripheral support

Slot Plate USB Adapter

The StarTech USBPLATE adds two USB A female ports to a desktop computer by connecting to an internal motherboard header. A black metal plate mounts in a rear expansion slot and carries 11.25 inch cables that terminate in IDC connectors for 4 or 5 pin headers.

Builders adding front or rear USB ports

This adapter suits system builders who need extra external USB connections and have a free internal header. It does not suit users who require USB 3.0 or higher speeds, nor those whose motherboards lack a compatible 4 or 5 pin header.

USB 2.0 compliant header adapter

The device operates under the USB 2.0 specification through a 285.75mm cable assembly that supports single row 8 or 10 pin layouts as well as dual row 4 or 5 pin layouts. Weighing 0.11 units, it provides a straightforward way to extend USB connectivity to a case bracket.

Highlights

  • Adds two rear USB ports via a single motherboard header
  • 25 inch cable reaches most ATX board layouts
  • Works with both 4-pin and 5-pin header pinouts
  • Separate cables fit single-row or dual-row header blocks
  • USB 2.0 compliant for broad peripheral support

Specifications

BrandStarTech.com
ModelUSBPLATE
ColorBlack
Cable LengthNo
Changer TypeUSB Gender Changer
SpecificationsConnector A: 2 - IDC (5 pin; Motherboard Header) Female
Connector B: 2 - USB A (4 pin) Female
FeaturesProvides two USB port connections to a motherboard
Two standard A-type USB outlets mounted on a plate with 11.25 inch (285.75mm) cable to the 5 pin connectors
Supports 4 or 5 pin motherboard connections
Separate cables support a single row of 8/10 pins or 2 rows of 4/5
USB V2.0 compliant
Applications:
-Check your motherboard's manual for it's USB pinout diagram
-USBPLATE wiring scheme: Red=Power, Green=Signal, White=Signal, Black=Ground
Weight0.11
Shipping weight0.06 kg
Package size188 × 123 × 23 mm

Questions about this item

Will the 5-pin IDC motherboard header connectors need replacement over time?

The IDC connectors are soldered to the 285.75mm cables and are not user-serviceable; if a pin bends or a cable frays the whole adapter would be replaced.

What throughput limit appears first when both USB 2.0 ports run at once?

Both ports share one motherboard header, so the USB 2.0 bus bandwidth is the bottleneck during simultaneous transfers.

Does the adapter generate noticeable heat or draw extra power during all-day use?

It is a passive plate with 0.11 kg weight and no active components, so it adds no measurable heat or power draw beyond the connected devices.

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