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Gray aluminum M.2 SATA enclosure with built-in fan, compact rectangular shape

Acasis

Acasis TB405Pro 40Gbps M.2 SATA Enclosure with Fan, Gray

SKU CH-9AA4-2AP65

Aluminum enclosure with fan holds one M.2 SATA drive up to 8 TB at 40 Gbps over Thunderbolt 4

  • SizeM.2
  • Drive interfaceSATA
  • External connectionThunderbolt 4(40 Gbit/s)
  • Supported drivesSingle HDD
  • Bay count1
  • Max capacity per bayUp to 8 TB
  • 40Gbps Thunderbolt 4 interface moves large files fast
  • Silent fan and aluminum body keep SSD cool under load
  • Supports M.2 SATA drives up to 8TB capacity
  • Works with Thunderbolt 3, USB4 and older USB standards
  • Compact 118×57×18 mm CNC aluminum enclosure weighs 1.1 kg

40Gbps Thunderbolt 4 M.2 SATA Enclosure

This Acasis TB405Pro enclosure connects a single M.2 SATA SSD over Thunderbolt 4 at up to 40Gbps. It accepts 2280, 2260, 2242 and 2230 form-factor drives up to 8TB. The aluminium shell measures 118×57×18mm and weighs 1.1. A built-in fan with an on-off switch provides active cooling. No AC adapter is included; power comes from the host port.

Cooling and Connection Requirements

The enclosure needs a host with a Thunderbolt 4, Thunderbolt 3 or USB4 port to reach its rated bandwidth. It is backward compatible with USB 3.2, 3.1, 3.0 and 2.0, though speeds will fall to those limits. The supplied 500mm USB-C cable links the drive to the computer. The fan can be disabled for silent running or enabled during heavy transfers to keep the SSD cool.

Suited for SATA M.2 Drives, Not NVMe

This unit suits users who have M.2 SATA SSDs and want fast external storage over Thunderbolt or USB4. It will not work with NVMe or PCIe M.2 drives, so buyers needing NVMe support should choose a different enclosure. It also supports only one drive, so anyone requiring multi-bay RAID or JBOD arrays should look elsewhere.

How it compares

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

Price $63.99
Pricier than about 69% of the 821 comparable items (median $30.99).

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Specifications

Product
Brand nameAcasis
Product lineTB405Pro
Model nameM.2 SSD Enclosure
Product colorGray
Product typeHDD/SSD
Storage
Drive interfaceSATA
Supported drivesSingle HDD
Bay count1
Max capacity per bayUp to 8 TB
Ports & slots
Thunderbolt 3 supportYes
External connectionThunderbolt 4(40 Gbit/s)
Power
Power adapterNo
Power detailsNo
Size & build
SizeM.2
Main materialAluminum
Product dimensions4.72 × 2.36 in
More details
Cooling fansYes

Questions about this item

What sustained read and write speeds does the 40Gbps Thunderbolt 4 interface deliver?

The enclosure reaches up to 2805MB/s read and 2734MB/s write over Thunderbolt 4.

How does the triple cooling system handle heat during all-day workloads?

A silent fan, silicone thermal pads and the CNC aluminium body work together; the fan can be switched off for quiet operation.

Which M.2 form factors and key types must the drive already have to fit this SATA enclosure?

It accepts 2230, 2242, 2260 and 2280 drives with M-Key or B+M-Key interfaces.

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