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A small green circuit board with two rectangular USB ports, connected by a flat flexible ribbon cable to an M.2 Key A-E connector

SMUGDESK

SMUGDESK M.2 NGFF Key A-E to Dual USB 2.0 Riser Cable

SKU CH-JXHG-D4TEB

Converts an M.2 Key A-E slot into two USB 2.0 ports with a flexible riser cable for internal expansion

  • Adds two USB 2.0 ports from an idle M.2 A-E slot
  • Flexible riser cable lets you route ports around tight case spaces
  • Plug-and-play operation needs no driver installation
  • Supports data and low-voltage power for USB peripherals simultaneously
  • Designed only for M.2 Key A-E — not compatible with B or M key slots

M.2 Key A-E to dual USB 2.0

This adapter converts a spare M.2 Key A-E slot on a desktop motherboard into two independent USB 2.0 ports. It is designed for DIY PC builders and industrial host assemblers who want to add low-power peripherals without using rear I/O space. The flexible riser cable allows the ports to be positioned freely inside the chassis. Only motherboards with an M.2 Key A-E interface can use this product.

Stable signal under continuous use

High-quality conductive wires maintain reliable USB 2.0 data and power delivery during extended operation. The adapter supports simultaneous data transmission and low-voltage power supply for devices such as Wi-Fi modules, Bluetooth modules, USB cameras and cooling fans. Reinforced connectors resist bending and pulling stress, helping the cable sustain performance over long-term service. No active cooling or external power is required.

Verify your motherboard slot before ordering

This converter works exclusively with M.2 Key A-E slots and will not function with Key B, Key M or B+M interfaces. Check your mainboard manual or specifications to confirm the presence and keying of an available M.2 A-E slot. The board must also provide USB 2.0 signalling through that slot for the adapter to operate. No driver installation is needed once compatibility is confirmed.

Highlights

  • Adds two USB 2.0 ports from an idle M.2 A-E slot
  • Flexible riser cable lets you route ports around tight case spaces
  • Plug-and-play operation needs no driver installation
  • Supports data and low-voltage power for USB peripherals simultaneously
  • Designed only for M.2 Key A-E — not compatible with B or M key slots

Specifications

No published specifications for this item yet.

Questions about this item

Does the adapter draw noticeable power or generate heat when the two USB 2.0 ports are used continuously?

The adapter complies with the USB 2.0 standard and supplies low-voltage power to connected peripherals; it adds no active components that would create measurable heat or noise during all-day operation.

What must my motherboard provide for this riser cable to function?

Your motherboard needs an available M.2 Key A-E slot; the adapter is not compatible with Key B, Key M or B+M interfaces and requires no extra drivers or external power.

Can I keep my existing M.2 Key B or Key M SSD while adding this adapter?

Yes, because the adapter only occupies a Key A-E slot, it does not interfere with Key B, Key M or B+M devices already installed on the board.

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