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Black metal 3.5 inch bay enclosure with keylock and stainless carrier for 2.5 inch NVME U.2 15mm drive

Athena Power

Athena Power BP-U21NVME350 3.5" bay NVME U.2 15mm enclosure with keylock

SKU CH-5N2G-1N17E

A 3.5-inch bay enclosure that holds one 2.5-inch NVME U.2 15mm drive with a keylock and carrier

  • Size3.5 in (8.89 cm)
  • Drive interfaceNVMe U.2
  • Supported drivesSingle NVMe SSD
  • Bay count1
  • Power details12 V/2A, 3V3/0.5A
  • Product colorBlack
  • Fits a 2.5" NVME U.2 15mm drive into a 3.5" bay
  • Metal keylock secures the drive against unauthorised removal
  • Stainless carrier with vibration spring eases hot-swap and quiets operation
  • SFF-8643 connector delivers U.2 Gen3 32Gbps and Gen4 64Gbps speeds
  • Compact 145.7 * 101.5 * 25.4mm metal chassis weighs only .45 Kgs

3.5" U.2 NVMe Enclosure

This enclosure mounts a single 2.5" NVME U.2 15mm drive into a standard 3.5" drive bay. A stainless steel carrier with vibration-reducing springs secures the drive and allows tool-free swapping. A metal keylock protects the installed media from unauthorised removal. The backplane connects via MiniSAS HD SFF-8643 and a 15-pin power connector.

Suited for U.2 drive bays, not M.2

Builders adding enterprise U.2 NVMe storage to a 3.5" bay will find the carrier, keylock and Gen3 32Gbps or Gen4 64Gbps support fit the task. The enclosure lacks an active fan and an AC adapter, so systems must supply adequate airflow and 12V/2A plus 3V3/0.5A power. Users needing M.2 form-factor support, multiple drives per bay or hot-plug trays should choose a different adapter.

MiniSAS HD SFF-8643 interface

The backplane uses a MiniSAS HD SFF-8643 connector to deliver U.2 Gen3 32Gbps and Gen4 64Gbps bandwidth to the host. This single interface determines whether the enclosure matches the motherboard or HBA port available in the build.

How it compares

Measured against everything we stock in SATA, IDE & M.2 Drive Adapters, at today’s prices. Recalculated every night.

Price $69.99
Pricier than about 80% of the 1,721 comparable items (median $22.99).

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Specifications

Product
Brand nameAthena Power
Product lineM2U2 Series
Model nameU.2 SSD Enclosure
Part numberBP-U21NVME350U
Product colorBlack
Product typeEnclosure
Storage
Drive interfaceNVMe U.2
Supported drivesSingle NVMe SSD
Bay count1
Ports & slots
External connectionNo
Power
Power adapterNo
Power details12 V/2A, 3V3/0.5A
Size & build
Size3.5 in (8.89 cm)
Main materialMetal
Product dimensions145.7(L) × 101.5(W) × 25.4(H)mm
Product weight0.45 Kgs
More details
Cooling fansNo

Questions about this item

Will the stainless carrier or vibration spring need periodic replacement under normal use?

The stainless carrier and vibration-reducing spring are built for repeated swaps and long-term durability; no scheduled replacement is required.

Which speed ceiling appears first when the U.2 Gen4 64Gbps link runs sustained workloads?

The enclosure passes through Gen4 64Gbps, so the drive or host controller typically limits sustained throughput before the backplane does.

How much heat and noise does the fanless metal enclosure add during all-day operation?

With no fan and a metal chassis, it adds negligible noise and relies on the bay airflow to dissipate the SSD's heat.

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