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Small green PCB board with M.2 slot and USB-A plug, 115 by 25 mm

RIITOP

RIITOP M2BM-A M.2 NVME SATA USB 3.1 10Gbps drive enclosure

SKU CH-385T-2AXAM

Connects M-key or B+M-key M.2 NVME and SATA SSDs up to 2280 size via USB 3.1 Type-A at 10Gbps

  • SizeM.2
  • Drive interfaceFor M.2 NGFF/NVMe
  • External connectionUSB 3.0
  • Supported drivesSingle SSD
  • Bay count1 Bay
  • Product typeEnclosure
  • Supports M-key and B+M-key SSDs for flexible upgrades
  • USB 3.1 Type-A delivers up to 10Gbps with NVMe drives
  • Works with 2230 2242 2260 2280 form factors
  • Realtek 9210B chipset enables plug-and-play across Windows Mac Linux
  • Compact PCB design at 115 by 25 by 6 mm needs no external power

RIITOP M2BM-A M.2 Enclosure

This adapter board turns a single M.2 SSD into a USB 3.1 Type-A drive. It accepts B-Key, M-Key and B+M-Key modules in 2230, 2242, 2260 and 2280 lengths. Both NVMe and SATA protocols are supported. The unit draws power from the host port and needs no external adapter.

Who It Suits and Who Should Look Elsewhere

The enclosure suits users who want to read or clone data from an M.2 drive on a computer with a USB Type-A port. It is not suitable for anyone needing a USB-C connection or for drives that use the M.2 PCIe AHCI protocol, which the adapter does not support.

Deciding Specification: USB 3.1 Gen2 10Gbps

The theoretical transfer rate reaches 10Gbps with NVMe drives and 5Gbps with SATA drives when connected to a USB 3.1 Gen2 port. Speed drops to 5Gbps on a USB 3.0 port and lower on USB 2.0. This single figure determines whether the enclosure meets your bandwidth needs.

How it compares

Measured against everything we stock in External Drive Enclosures, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 90% of the 821 comparable items (median $30.99).

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Specifications

Product
Brand nameRIITOP
Model nameM2BM-A
Product typeEnclosure
Storage
Drive interfaceFor M.2 NGFF/NVMe
Supported drivesSingle SSD
Bay count1 Bay
Ports & slots
External connectionUSB 3.0
Power
Power adapterNo
Size & build
SizeM.2
In the box
In the box1x RIITOP M.2 (NGFF/NVMe) SSD to USB Adapter.
More details
Cooling fansNo

Questions about this item

What M.2 SSD sizes and key types does the RIITOP M2BM-A accept?

The enclosure fits 2230, 2242, 2260 and 2280 drives and supports both M-key and B+M-key modules.

Will a legacy USB 3.0 Type-A port limit the adapter's 10Gbps NVMe throughput?

Yes, connecting to a USB 3.0 port drops the link to 5Gbps, halving the maximum NVMe transfer rate.

How can I verify the Realtek 9210B controller is delivering 10Gbps speeds after setup?

Run a sequential read test on an NVMe drive; sustained throughput near 1000 MB/s confirms Gen 2 operation.

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