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Black circuit board with M-Key edge connector and dual 20-pin Type-E headers

BUCIER

BUCIER Dual Type-E 20pin 10Gbps USB 3.1 NVME M-Key Adapter

SKU CH-3NQX-X8HVS

Converts an NVME M-Key slot into dual USB 3.1 20-pin Type-E headers at 10 Gbps without extra attachments

  • Connection typeTYPE-E USB
  • Connector detailsTYPE-E USB
  • Build detailsCopper
  • Product colorBLACK Dual Type-E NVME CARD
  • Adds two front-panel USB 3.1 Type-E ports from one NVME M-Key slot
  • Delivers 10 Gbps bandwidth for fast external storage and peripherals
  • Plugs straight into the motherboard header with no extra cables or brackets
  • Converts an unused NVME slot into dual 20-pin USB 3.1 connectors
  • Data-only design — no video, audio or power-delivery support

M-Key to Dual USB 3.1 Adapter

This BUCIER adapter converts a motherboard NVME M-Key slot into two 20-pin Type-E front-panel headers, providing 10 Gbps USB 3.1 connectivity. It plugs directly into the M-Key slot and requires no extra cables or power. The compact design fits inside standard cases and is intended for builders who need front-panel USB-C ports but lack native headers on the board.

Builders Adding Front USB-C Without Native Headers

The adapter suits PC builders whose motherboard has a free NVME M-Key slot but no USB 3.1 front-panel connectors, letting them run dual Type-E ports at 10 Gbps. It does not carry video, audio or Power Delivery, so users needing DisplayPort alt-mode or device charging should look elsewhere. Buyers without an available M-Key slot cannot use this product.

NVME M-Key Input with Dual 20-Pin Type-E Output

The decisive specification is the NVME NGFF M-Key Express input paired with two USB 3.1 20-pin Type-E headers, delivering up to 10 Gbps per port. This fixed interface combination determines whether the adapter matches your motherboard slot and case front-panel wiring..verify compatibility before purchase.

How it compares

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

Price $31.99
Pricier than about 90% of the 15,227 comparable items (median $14.99).

Specifications

Product
Brand nameCablecc
Product colorBLACK Dual Type-E NVME CARD
Ports & slots
Connection typeTYPE-E USB
Connector detailsTYPE-E USB
Size & build
Build detailsCopper

Questions about this item

What does the NVME M-Key input connect to on the motherboard?

The adapter plugs into an available NVME NGFF M-Key Express slot on the motherboard to convert it into dual USB 3.1 Type-E headers.

What motherboard header does each Type-E connector require?

Each output uses a standard USB 3.1 20-pin Type-E front-panel header on the motherboard or case I/O board.

How is the adapter installed and what step is often missed?

Insert the card directly into the M-Key slot, then connect both 20-pin Type-E cables to matching motherboard headers; the adapter needs no extra power or screws.

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