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ACASIS40Gbps M.2 NVMe SSD Enclosure, Tool Free Installation, NVMe Enclosure for M1/M2/ Pro/Max,Compatible with thunderbolt3/4/5,USB4/3.2/3.1/3.0/2.0, Support 2280/2260/2242/2230 B+M M-Key (TBU401)

ACASIS40Gbps M.2 NVMe SSD Enclosure, Tool Free Installation, NVMe Enclosure for M1/M2/ Pro/Max,Compatible with thunderbolt3/4/5,USB4/3.2/3.1/3.0/2.0, Support 2280/2260/2242/2230 B+M M-Key (TBU401)

Q: If this item is not using the faster and most recent or updated chipset is there one that is by this manufacturer and if not then by another one?

a number of Reviews here beginning 9-2022 show THIS product's box is updated model TBU401E. (with "E") the box states the included cable is Thunderbolt 3. it drops the false claim printed on the earlier TBU401 box of "USB 4.0". -----( newer TBU401E )----- https://m.media-amazon.com/images/I/41n8r+Qr+4L.jpg https://m.media-amazon.com/images/I/41vqV5YTrjL.jpg https://m.media-amazon.com/images/I/61iyaANm7qL.jpg https://m.media-amazon.com/images/I/61TKeFrG5NL.jpg -----( original TBU401 )----- https://m.media-amazon.com/images/I/81-0pILAsAL.jpg it seems like all brand enclosures boasting "40Gbps Thunderbolt4 / USB4" are JHL7440 chipset based. the JHL7440 is actually Thunderbolt3, (not TB4 or USB4), which actually produces only 22Gbps data transfer. (per Intel, 18Gbps of 40Gbps is reserved for Displayport video). they also do not support USB Gen 2x2 20Gbps mandatory with USB4. only USB 3.1 10Gbps. there's no telling which exact model ACASIS (or anybody else) is shipping at this very moment. none can possibly transfer 40Gbps - that's 5000 MB/s. they all get approx half that. none are USB4 - their USB interface is only USB 3.1. that's all there is to it. the ads are all consistently deceptive and untruthful. and most Answerers in the Q&A only help compound the fraud. .

Q: Does this enclosure support nvme 4.0 or only 3.0? will using a 4.0 capable drive provide speed improvements with this enclosure?

No, you most likely will see no difference as others answered partially but not directly. You are bottlenecked by 1- Thunderbolt 3, which theoretically can handle 40Gbs/5,000MBps, but in the real world in my experience tops at 3,500~ish. 2- Various other parameters such as cable quality, NVME drive technologies, SLC, TLC, QLC, VNAND, etc. My suggestion: Buy the BEST NVME 3.0 you can, with the largest DRAM or SLC cache, AND make sure that below that cache it has VNAND instead of regular NAND. Keep an eye on too high densities as well. SLC is faster than TLC which is faster than QLC… Best. R.

Q: Hi, does this drive run a 10gb if i hook it up to a regular usb 3.2 gen 2 port? thanks!

USB 3.2 Gen 2 max speed is 10 Gbps. The USB port cannot get faster speed, just because a faster devices was connected to that port.

Q: What is the difference between tbu401 and tbu401e?

review photos show the models are marked differently on their aluminum bodies. Model: TBU401 Product: USB 4.0 SSD Enclosure [plug] USB 4.0 https://m.media-amazon.com/images/I/81CDPDhXKwL.jpg https://m.media-amazon.com/images/I/81T4g-iTRYL.jpg https://m.media-amazon.com/images/I/81-0pILAsAL.jpg Model: TBU401E Product: NVMe SSD Enclosure [plug] Type-C 40Gbps https://m.media-amazon.com/images/I/61TnyPjrIkL.jpg https://m.media-amazon.com/images/I/51vaS5DXQTL.jpg https://m.media-amazon.com/images/I/51TWhmCtRpL.jpg https://m.media-amazon.com/images/I/61TKeFrG5NL.jpg .

4.5/5

Product ID: 472354667

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Details

Hardware interface
Thunderbolt
Brand
ACASIS
Colour
Silver
Product dimensions
10.4L x 5.4W x
Hardware platform
Multimedia PC

⚡40Gbps blazing speed

❄️Aluminum shell for cool performance

🛠️Tool-free snap-in setup

Description

⚡ Unlock lightning-fast storage with zero fuss!

UNIVERSAL COMPATIBILITY - Works seamlessly across Windows 7+, Mac OS 10.3+, and Linux, supporting multiple M.2 sizes (2280/2260/2242/2230) and key types (B+M, M-Key).
ADVANCED THERMAL MANAGEMENT - Premium aluminum alloy casing plus dual thermal pads keep your SSD cool under pressure for sustained peak performance.
BLAZING 40 GBPS TRANSFER SPEEDS - Experience ultra-fast data flow with Thunderbolt 3/4/5 and USB4 compatibility, maxing out at 2805MB/s read speeds.
LIFETIME SUPPORT RELIABILITY - Backed by ACASIS’s dedicated lifetime technical support, ensuring your investment stays future-proof and worry-free.
EFFORTLESS TOOL FREE INSTALLATION - No screws, no hassle—just slide your M.2 NVMe SSD in and go, perfect for busy pros on the move.

The ACASIS 40Gbps M.2 NVMe SSD Enclosure delivers professional-grade, tool-free installation and blazing data transfer speeds up to 40Gbps. Compatible with Thunderbolt 3/4/5 and USB4/3.x standards, it supports multiple M.2 SSD sizes and key types, housed in a sleek aluminum shell with advanced heat dissipation. Ideal for millennial managers craving speed, simplicity, and reliability in their mobile storage solutions.

Specifications

Compatible Devices	Laptop
Data Transfer Rate	40 Gigabits Per Second
Maximum Number of Supported Devices	1
Hardware Platform	PC, Linux, Mac
Memory Storage Capacity	8 TB
Hardware Interface	Solid State Drive, USB, PCI, USB 3.0, Thunderbolt, USB 2.0
Item Weight	137 Grams
Item Dimensions L x W x H	3.94"L x 2.4"W x 0.57"H

Have a Question? See What Others Asked

If this item is not using the faster and most recent or updated chipset is there one that is by this manufacturer and if not then by another one?

Does this enclosure support nvme 4.0 or only 3.0? will using a 4.0 capable drive provide speed improvements with this enclosure?

Hi, does this drive run a 10gb if i hook it up to a regular usb 3.2 gen 2 port? thanks!

What is the difference between tbu401 and tbu401e?

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

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2544 DH

Duties & taxes incl.

Moroccostore

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30 daysfor PRO membership users

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago