Why does the read and write speed drop below 1000Mb/S

When the tested read speed of the drive is 2600–2800MB/s (close to the interface bandwidth limit). Write speed is drive-limited, affected by its controller chip, cache size and flash memory type.

Is this enclosure compatible with MacBook Pro and Mac mini?

Yes. This NVMe SSD enclosure is fully compatible with MacBook Pro, Mac mini. It is plug and play and does not require any drivers.

Does it really support 40Gbps speed?

Yes. When used with a Thunderbolt port and a compatible NVMe SSD, the enclosure supports up to 40Gbps data transfer speed. Actual speed may vary depending on the SSD and host device.

Does this NVMe enclosure overheat during 4K video editing?

The enclosure has a built-in switchable cooling fan and an aluminium housing, which helps keep the SSD at a stable temperature during heavy tasks like 4K video editing or large file transfers.

On Windows systems, the read speed ranges from 1800–3000MB/s, while the write speed only reaches a few

On Windows (with Thunderbolt driver installed) Disk Management → Right-click drive → Properties → Policies → Enable Better Performance (Read) → Confirm and test read speed.

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ACASIS 40Gbps M.2 NVMe SSD Enclosure with Cooling Fan Aluminum | For M1/M2 Pro/Max. Supports 2280/2260/2242/2230 B+M/M-Key SSDs. USB 3.2/3.1/3.0/2.0 compatible

ACASIS 40Gbps M.2 NVMe SSD Enclosure with Cooling Fan Aluminum | For M1/M2 Pro/Max. Supports 2280/2260/2242/2230 B+M/M-Key SSDs. USB 3.2/3.1/3.0/2.0 compatible

Product ID: 548727326

Details

Brand
Acasis
Colour
Midnight Blue
Hardware interface
USB
Hardware platform
Windows
Product dimensions
9.9L x 9.9W x

⚡40Gbps blazing transfer

🔗Dual-chip USB 4/3.2 compatibility

❄️Built-in cooling fan

€ 231.27

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Description

🚀 Unlock lightning-fast storage with ACASIS – because speed waits for no one!

DUAL CHIP STABILITY - JHL7440 & RTL9210B chips deliver rock-solid reliability and seamless USB 4/3.2/3.1/3.0/2.0 compatibility.
BLAZING 40 GBPS SPEED - Transfer a 1GB file in just 4 seconds—workflows that keep pace with your ambition.
COMPACT TRAVEL READY - Sleek, pocket-sized design fits perfectly in your bag for on-the-go professionals who never miss a beat.
ADVANCED THERMAL MANAGEMENT - Aluminum shell + cooling fan combo ensures your SSD stays cool under pressure, maintaining peak performance.
UNIVERSAL DEVICE COMPATIBILITY - Effortlessly pairs with M1/M2 Pro/Max Macs, iPad Pro, Windows, macOS, and Linux—your all-in-one storage solution.

The ACASIS 40Gbps M.2 NVMe SSD Enclosure combines ultra-fast data transfer speeds up to 2805 MB/s with a built-in cooling fan and premium aluminum casing for superior heat dissipation. Featuring dual-chip technology for enhanced stability and broad compatibility with USB 4/3.2/3.1/3.0/2.0 interfaces, it supports multiple SSD sizes (2230 to 2280) and works seamlessly with M1/M2 Pro/Max Macs, iPad Pro, Windows, macOS, and Linux devices. Its compact, travel-friendly design makes it an essential tool for professionals demanding reliable, high-speed external storage.

Specifications

ASIN	B0C8CTW8M6
Best Sellers Rank	42,690 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 184 in Enclosures
Box Contents	Thunderbolt Cable
Brand Name	Acasis
Colour	Midnight Blue
Compatible Devices	Mac mini M4, Mac mini M4 Pro
Country of Origin	China
Customer Reviews	4.4 4.4 out of 5 stars (444)
Data Transfer Rate	40 Gigabits Per Second
Enclosure Material	Aluminium
Hardware Interface	USB
Hardware Platform	Windows
Item Dimensions L x W x H	9.9L x 9.9W x 1.4H centimetres
Item Weight	0.32 Kilograms
Manufacturer	ACASIS
Manufacturer Part Number	TBU405PROM1
Memory Storage Capacity	8.01 TB
Model Number	TBU405PROM1
Network Connectivity Technology	Thunderbolt, USB
Number of Items	1
Number of Packs	1
Product Warranty	2
Supported Devices Quantity	1
The Standard Size of the Hard Drive or the Bay the Hard Drive Is Compatible With (in inches)	2.5 Inches
Unit Count	1.0 count

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€ 231.27

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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