---
product_id: 552552724
title: "ACASIS 40Gbps M.2 NVMe SSD Enclosure with Fan, for M1 M2 Pro/Max, USB C Case Compatible with Thunderbolt 4/3, USB4/3.2/3.1/3.0/2.0, Supports SSD Size 2280 B+M M-Key"
brand: "acasis"
price: "$266.89"
currency: USD
in_stock: true
reviews_count: 6
category: "Acasis"
url: https://www.desertcart.us/products/552552724-acasis-40gbps-m-2-nvme-ssd-enclosure-with-fan-m1
store_origin: US
region: United States of America
---

# 40Gbps blazing transfer speed Dual-chip USB4/3.2/3.1/3.0/2.0 compatibility Built-in cooling fan & aluminum shell ACASIS 40Gbps M.2 NVMe SSD Enclosure with Fan, for M1 M2 Pro/Max, USB C Case Compatible with Thunderbolt 4/3, USB4/3.2/3.1/3.0/2.0, Supports SSD Size 2280 B+M M-Key

**Brand:** acasis
**Price:** $266.89
**Availability:** ✅ In Stock

## Summary

> 🚀 Unlock lightning-fast storage with cool, stable performance—because speed waits for no one.

## Quick Answers

- **What is this?** ACASIS 40Gbps M.2 NVMe SSD Enclosure with Fan, for M1 M2 Pro/Max, USB C Case Compatible with Thunderbolt 4/3, USB4/3.2/3.1/3.0/2.0, Supports SSD Size 2280 B+M M-Key by acasis
- **How much does it cost?** $266.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/552552724-acasis-40gbps-m-2-nvme-ssd-enclosure-with-fan-m1)

## Best For

- acasis enthusiasts

## Why This Product

- Trusted acasis brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual-Chip Stability:** JHL7440 + RTL9210B chips ensure rock-solid performance and broad USB compatibility.
- • **Blazing 40Gbps Speed:** Transfer 1GB in just 4 seconds—work faster, stress less.
- • **Compact & Travel-Ready:** Pocket-sized design fits your on-the-go lifestyle—powerful storage wherever you roam.
- • **Advanced Thermal Management:** Stay cool under pressure with a built-in fan and heat-dissipating aluminum casing.
- • **Universal Device Compatibility:** Seamlessly connects with M1/M2 Pro/Max Macs, iPad Pro, Windows, macOS, and Linux.

## Overview

The ACASIS 40Gbps M.2 NVMe SSD Enclosure delivers ultra-fast read/write speeds up to 2805/2734 MB/s, supported by dual-chip technology for enhanced stability and compatibility across USB 4/3.2/3.1/3.0/2.0 interfaces. Featuring a built-in cooling fan and aluminum alloy shell with heat dissipation holes, it maintains optimal temperatures during extended use. Compatible with M.2 SSD sizes 2230 to 2280 (B+M, M-Key) and major operating systems, this compact, travel-friendly enclosure is ideal for professionals demanding high-speed, reliable external storage.

## Description

ACASIS 40Gbps M.2 NVMe SSD Enclosure, with Cooling Fan, SSD Enclosure for M1 M2 Pro/Max, Compatible with USB3.2/3.1/3.0/2.0, M.2 Enclosure Support SSD 2280/2260/2242/2230 B+M M-Key

Review: Great - Perfectly works as intended.
Review: Very solid well-made ssd enclosure. I'm getting very good read/write speeds. One thing to note is that the correct lead is very significant - if you use the wrong type of cable it can drastically affect the speed of the drive, so make sure it is a TB4 cable.

## Features

- Quick clarification on 40 Gbit/s: The read/write speed of the ACASIS 40 Gbit/s NVME enclosure can reach up to 2805 MB/s / 2734 MB/s (the speed may vary depending on the system). Transferring a 1 GB file only takes 4 seconds. This hard drive enclosure is also backward-compatible with USB 3.2/3.1/3.0/2.0 and SSD sizes 2230, 2242, 2260, 2280 B+M, M-Key.
- UPGRADED TBU405 PRO BUILT-IN COOLING FAN: We add a Built-in Cooling Fan and heat dissipation holes to the aluminum alloy shell to acheive better heat dissapation.（Note：SSD NOT INCLUDE）Moreover, the combination of the thermal conductive pad and the high-quality aluminum casing effectively promotes heat conduction and heat dissipation. This enables stable high-speed data transfer to be maintained over a longer period.
- Dual chips, namely the JHL7440 chip and the RTL9210B chip: Compared to products from other manufacturers with a single chip, the advantage of our product lies in its dual-chip control. SSD enclosure is more stable and reliable, has better heat dissipation performance, and is fully compatible with USB 4/3.2/3.1/3.0/2.0 interfaces. (Note: SSD is not included.)
- Universal compatibility: This M.2 NVMe enclosure supports M1 Pro/Max Mac devices and iPad Pro. It is compatible with Windows, macOS, and Linux. It is compatible with USB 4/3.2/3.1/3.0/2.0 and SSD sizes 2230, 2242, 2260, 2280 B+M, M-Key with respective speed limits to meet a variety of professional and daily needs.
- M.2 NVMe SSD Enclosure: The M.2 NVMe hard drive enclosure is suitable for NVMe SSDs with M-Key/M+B Key, with capacities of up to 8 TB, and the applicable sizes are 2230 2242 2260 2280. Tip: If your hard drive is new, m.2 enclosure will need to be partitioned before use. And the hard drive is not included in the package.
- POCKET SIZE TRAVEL-FRIENDLY: Nvme ssd enclosure compact design make TBU 405 PRO easy to be carried in a handbag or pocket, nice for travel &business trips.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C8CTW8M6 |
| Are Batteries Included | No |
| Best Sellers Rank | #29,935 in Computers ( See Top 100 in Computers ) #123 in Enclosures |
| Brand | ACASIS |
| Color | grey |
| Customer Reviews | 4.5 4.5 out of 5 stars (936) |
| Date First Available | 19 August 2023 |
| Form Factor | Portable |
| Hard Disk Description | Solid State Drive |
| Hard Drive Interface | ATA-4 |
| Hard Drive Size | 1 GB |
| Hardware Platform | Linux, Windows |
| Item Weight | 320 g |
| Item model number | TBU405PROM1 |
| Manufacturer | ACASIS |
| Product Dimensions | 9.91 x 9.91 x 1.4 cm; 320 g |
| Series | TBU405PROM1 |

## Product Details

- **Brand:** ACASIS
- **Colour:** grey
- **Compatible devices:** Desktop, Laptop
- **Hardware interface:** USB
- **Total USB ports:** 1

## Images

![ACASIS 40Gbps M.2 NVMe SSD Enclosure with Fan, for M1 M2 Pro/Max, USB C Case Compatible with Thunderbolt 4/3, USB4/3.2/3.1/3.0/2.0, Supports SSD Size 2280 B+M M-Key - Image 1](https://m.media-amazon.com/images/I/71oyj5onDqL.jpg)

## Available Options

This product comes in different **Model** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great
*by C***H on 3 September 2025*

Perfectly works as intended.

### ⭐⭐⭐⭐⭐ Review
*by L***T on 13 June 2025*

Very solid well-made ssd enclosure. I'm getting very good read/write speeds. One thing to note is that the correct lead is very significant - if you use the wrong type of cable it can drastically affect the speed of the drive, so make sure it is a TB4 cable.

### ⭐⭐⭐⭐⭐ Review
*by B***. on 22 January 2025*

J'ai acheté le boîtier et adaptateur ACASIS 40Gbps pour mon disque dur SSD M.2 NVMe PCIe 2280 (M-Key B+M) et je suis extrêmement satisfait de ses performances. Le boîtier en aluminium est robuste et élégant, tout en assurant une bonne dissipation thermique. La vitesse de transfert de 40Gbps est impressionnante, et la compatibilité avec Thunderbolt 3/4 et USB-C garantit une connexion rapide et stable. L'installation a été facile, et il est parfaitement compatible avec mes appareils USB 4/3.2/3.1. C'est un excellent choix pour les utilisateurs ayant besoin de performance et de fiabilité. Je recommande vivement ce produit pour ceux qui cherchent une solution rapide et efficace pour leur stockage externe !

## Frequently Bought Together

- ACASIS 40Gbps M.2 NVMe SSD Enclosure, with Cooling Fan, M.2 Enclosure for M1 M2 Pro/Max, Compatible with Thunderbolt 4/3/USB3.2/3.1/3.0/2.0, M.2 Enclosure Support SSD 2280/2260/2242/2230 B+M M-Key
- Samsung 990 PRO NVMe M.2 SSD, 2 TB, PCIe 4.0, 7,450 MB/s read, 6,900 MB/s write, Internal SSD, For gaming and video editing, MZ-V9P2T0BW

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-18*