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Black aluminum M.2 NVMe enclosure with fan and keylock

Athena Power

Athena Power BP-M21NVME350 M.2 NVMe drive enclosure

SKU CH-71B2-RKTA3

Holds one M.2 NVMe SSD in a 3.5-inch bay with aluminium frame, tool-less adjuster, built-in fan, thermal pad and tri-angle keylock

  • SizeM.2
  • Drive interfaceM.2 NVME M-Key
  • Supported drivesSingle NVMe SSD
  • Bay count1
  • Max capacity per bay1
  • Product colorBlack
  • Tool-less adjuster simplifies SSD installation
  • Tri-angle keylock secures the drive against unauthorised removal
  • Built-in 7 x 7 x 1cm fan with aluminium heatsink keeps the SSD cool
  • Supports M.2 NVMe lengths 2230, 2242, 2260, 2280 for broad compatibility
  • Durable aluminium frame with anti-vibration springs ensures stable operation

Compact 3.5" NVMe enclosure

The Athena Power BP-M21NVME350 fits a single M.2 PCIe NVMe M-Key SSD into a standard 3.5" bay. It accepts 2230, 2242, 2260 and 2280 lengths. The aluminium frame and stainless tray provide a durable, tool-less installation for professional or space-constrained systems. A tri-angle keylock secures the drive tray against unauthorised removal.

Active cooling with 7 cm fan

A built-in 7 x 7 x 1 cm fan forces air across an aluminium heatsink and thermal pad that contact the SSD. The fan draws power from a mini 4-pin connector while the drive connects via SlimSAS. This arrangement keeps thermals in check during normal workloads without relying on case airflow alone. The enclosure measures 159 x 101.2 x 25.4 mm and weighs .3 kg.

Sustained PCIe 3.0 and 4.0 x4 throughput

The M-Key interface supports PCIe 3.0 and 4.0 x4 signalling for continuous high-bandwidth transfers. Active cooling and the thermal pad prevent throttling during extended write sessions or heavy I/O. The single-bay design limits total capacity to one drive, so builders who need multiple NVMe devices must add further enclosures.

How it compares

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

Price $97.99
Pricier than about 80% of the 821 comparable items (median $30.99).

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Specifications

Product
Brand nameAthena Power
Product lineM2U2 Series
Model nameM.2 SSD Enclosure
Part numberBP-M21NVME350
Product colorBlack
Product typeEnclosure
Storage
Drive interfaceM.2 NVME M-Key
Supported drivesSingle NVMe SSD
Bay count1
Max capacity per bay1
Ports & slots
External connectionNo
Size & build
SizeM.2
Main materialAluminum
Product dimensions159 × 101.2 × 25.4 mm
Product weight0.3 Kgs
More details
Cooling fansYes

Questions about this item

How do I install an M.2 NVMe SSD into the BP-M21NVME350 and what step is often missed?

Slide the SSD into the M-Key slot at a slight angle, press it flat, then use the tool-less adjuster to lock it at the correct length notch — 2230, 2242, 2260 or 2280 — before securing the tray; the missed step is forgetting to engage the adjuster so the drive can shift.

What maintenance or replacement will the BP-M21NVME350 need over time?

The built-in 7 x 7 x 1 cm cooling fan may collect dust and eventually wear out; clean the fan intake periodically and replace the fan if it becomes noisy or stops spinning to keep the aluminum heatsink and thermal pad effective.

What is the first limit I will hit under sustained heavy writes with this enclosure?

The PCIe 3.0/4.0 x4 interface caps sequential throughput at the drive's rated ceiling, while the single 7 x 7 x 1 cm fan and aluminum heatsink set the thermal ceiling; expect throttling once the SSD exceeds the cooling capacity during long writes.

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