Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
- SLC
$23.99
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Athena Power
Athena Power BP-M21NVME350 M.2 NVMe drive enclosure
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
- ColorBlack
- SizeM.2
- TypeEnclosure
- MaterialAluminum
- Internal InterfaceM.2 NVME M-Key
- External InterfaceNo
- 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.
Highlights
- 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
Specifications
| Brand | Athena Power |
|---|---|
| Series | M2U2 Series |
| Model | M.2 SSD Enclosure |
| Part Number | BP-M21NVME350 |
| Color | Black |
| Size | M.2 |
| Type | Enclosure |
| Material | Aluminum |
| Internal Interface | M.2 NVME M-Key |
| External Interface | No |
| HDD Count Supported | Single NVMe SSD |
| Number of Bay | 1 |
| Maximum Capacity (per Bay) | 1 |
| Fan | Yes |
| Features | Tri-angle security keylock designed on the SSD tray |
| Dimensions | 159 x 101.2 x 25.4mm |
| Weight | 0.3 Kgs |
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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