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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

  • ColorBlack
  • Size3.5"
  • TypeEnclosure
  • AC AdapterNo
  • MaterialMetal
  • Internal InterfaceNVMe U.2
  • 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.

Highlights

  • 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

Specifications

BrandAthena Power
SeriesM2U2 Series
ModelU.2 SSD Enclosure
Part NumberBP-U21NVME350U
ColorBlack
Size3.5"
TypeEnclosure
AC AdapterNo
MaterialMetal
Internal InterfaceNVMe U.2
External InterfaceNo
HDD Count SupportedSingle NVMe SSD
Number of Bay1
FanNo
Power12V/2A, 3V3/0.5A
Dimensions145.7(L) * 101.5(W) * 25.4(H)mm
Weight0.45 Kgs

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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