1. Introducció
This manual provides comprehensive instructions for the installation, operation, and maintenance of your ACASIS NVMe M.2 SSD Enclosure. This external hard drive enclosure is designed to provide high-speed data transfer and reliable storage for your M.2 NVMe SSDs, supporting various sizes and offering broad compatibility with modern computing devices.

Image 1.1: The ACASIS NVMe M.2 SSD Enclosure, showcasing its compact design and included USB-C cable for connectivity.
2. Producte acabatview
2.1 Característiques clau
- Integrated Cooling Fan (TBU405 PRO): Features an integrated fan and heat dissipation holes within the aluminum alloy casing for enhanced cooling performance. The fan can be activated via a dedicated button.
- JHL7440 Chip: Utilizes a dual-chip control for increased stability, reliability, improved heat dissipation, and full compatibility with Thunderbolt 3/4 and USB 4/3.2/3.1/3.0/2.0.
- Compatibilitat universal: Compatible with Mac M1 Pro/Max and iPad Pro devices, as well as Windows, macOS, and Linux operating systems. Supports USB 4/3.2/3.1/3.0/2.0 at their respective speeds.
- 40 Gbps Blazing Speed: Achieves high transfer speeds, tested up to 2805 MB/s read and 2734 MB/s write with a Samsung 980 EVO Plus on MacBook Pro. Actual performance may vary.
- Disseny compacte i portàtil: Ultra-portable design, suitable for travel and professional use, easily fitting into a pocket or bag.
- Suport SSD: Supports M.2 NVMe SSDs of sizes 2230, 2242, 2260, and 2280, including B+M Key and M-Key types.
- Capacitat màxima: Supports up to 8TB M.2 NVMe SSDs.
2.2 Supported SSD Types and Capacity
The ACASIS enclosure is designed to accommodate M.2 NVMe SSDs. It supports various form factors including 2280, 2260, 2242, and 2230. Ensure your SSD is an NVMe (PCIe) type, as SATA M.2 SSDs are not compatible.

Image 2.1: Illustration of supported M.2 NVMe SSD sizes (2280) and key types (B&M Key and M Key).

Image 2.2: The enclosure supports a maximum SSD capacity of 8TB.
3. Configuració i instal·lació
3.1 Tool-Free SSD Installation
The ACASIS enclosure features a tool-free design for easy and quick SSD installation. Follow these steps:
- Step 1: Open the Bottom Plate. Gently slide or open the bottom plate of the enclosure to reveal the internal slot for the SSD.
- Step 2: Insert the SSD. Align your M.2 NVMe SSD with the slot and insert it firmly. Secure the SSD using the provided fixed rubber stopper to prevent it from falling off. Ensure the SSD is fully seated.
- Step 3: Close the Cover. Close the lower cover of the enclosure until it clicks securely into place.
- Step 4: Connect to Computer. Connect the enclosure to your computer using the provided USB-C cable.

Image 3.1: Visual guide for the tool-free installation process of an M.2 NVMe SSD into the enclosure.
3.2 Connexió al dispositiu
Use the included USB-C to USB-C cable to connect the enclosure to your host device (e.g., laptop, desktop, iPad Pro). The enclosure is compatible with Thunderbolt 3/4 and USB 4/3.2/3.1/3.0/2.0 ports. For optimal performance, connect to a Thunderbolt 3/4 or USB 4 port.
4. Instruccions de funcionament
4.1 Fan Activation
The ACASIS TBU405 PRO features an integrated cooling fan to maintain optimal operating temperatures for your SSD. To activate the fan, press the dedicated button located on the enclosure. The fan will help dissipate heat, especially during prolonged high-speed data transfers.
4.2 Transferència de dades
Once connected, your operating system should recognize the SSD enclosure as an external drive. You can then drag and drop files, o utilitzeu el vostre sistema file management tools to transfer data to and from the SSD. For new SSDs, you may need to initialize and format the drive through your operating system's Disk Management utility (Windows) or Disk Utility (macOS) before use.
5. Rendiment
The ACASIS NVMe M.2 SSD Enclosure is engineered for high-speed performance, leveraging the 40 Gbps bandwidth of Thunderbolt 3/4 and USB 4 interfaces. In laboratory tests, the enclosure achieved read speeds of up to 2805 MB/s and write speeds of up to 2734 MB/s when paired with a high-performance NVMe SSD like the Samsung 980 EVO Plus on a MacBook Pro. Actual speeds may vary depending on the host device, operating system, SSD model, and file types being transferred.

Image 5.1: Temperature test results demonstrating the effectiveness of the integrated cooling system in maintaining safer operating temperatures for the SSD.
6. Manteniment
6.1 Neteja
To ensure longevity and optimal performance, keep the enclosure clean. Use a soft, dry cloth to wipe the exterior. Avoid using liquid cleaners or abrasive materials that could damage the finish or internal components. Ensure the fan vents are free from dust accumulation.
6.2 Emmagatzematge
When not in use, store the enclosure in a cool, dry place away from direct sunlight and extreme temperatures. Protect it from physical shocks or drops.
7. Solució De Problemes
- SSD no reconegut:
- Ensure the SSD is fully seated in the enclosure.
- Verify that the SSD is an NVMe (PCIe) type, not SATA.
- Try connecting the enclosure to a different USB-C or Thunderbolt port on your computer.
- Check Disk Management (Windows) or Disk Utility (macOS) to see if the drive appears but needs initialization or formatting.
- Fan Not Working:
- Ensure the enclosure is powered on and connected to a host device.
- Press the fan activation button to ensure it is turned on.
- Check for any obstructions in the fan vents.
- Velocitats de transferència lentes:
- Ensure you are connected to a Thunderbolt 3/4 or USB 4 port for maximum speed. Older USB ports (e.g., USB 3.0/3.1/3.2 Gen 1) will operate at lower speeds.
- Verify the performance capabilities of your M.2 NVMe SSD.
- Close other applications that might be consuming system resources or disk I/O.
- Ensure the fan is active to prevent thermal throttling of the SSD.
- La carcassa s'escalfa:
- High-speed NVMe SSDs generate heat, especially during intensive operations. The aluminum casing and integrated fan are designed to dissipate this heat.
- Ensure the fan is activated.
- Assegureu-vos una ventilació adequada al voltant del recinte.
8. Especificacions
| Característica | Detall |
|---|---|
| Marca | Acàsis |
| Número de model | TBU405PROM1 |
| Sèrie | TBU405Pro M1 |
| Color | Blau Mitjanit |
| Plataforma de maquinari | Windows, macOS, Linux |
| Hard Drive Size Supported | Fins a 8 TB |
| Tecnologia de disc dur | SSD (unitat d'estat sòlid) |
| Interfície de disc dur | NVMe (M.2 2230/2242/2260/2280 B+M Key, M-Key) |
| Interfície del maquinari | USB (Thunderbolt 3/4, USB 4/3.2/3.1/3.0/2.0) |
| Tipus de connector | USB-C |
| Dispositius compatibles | Desktop, Laptop, iPad Pro (Mac M1 Pro/Max) |
| Dimensions de l'article (L x A x A) | 9.9 x 9.9 x 1.4 cm (3.9 x 3.9 x 0.55 polzades) |
| Característiques especials | Portable, Integrated Cooling Fan |
| Nombre de Ports | 1 (USB-C) |
| Fabricant | ACASIS |
| País d'origen | Xina |
9. Garantia i Suport
9.1 Informació de la garantia
This ACASIS product comes with a 1 any de garantia des de la data de compra. Aquesta garantia cobreix els defectes de fabricació i els mals funcionaments en condicions d'ús normal. No cobreix els danys causats per un mal ús, accidents, modificacions no autoritzades o desastres naturals.
9.2 Atenció al client
For technical assistance, troubleshooting, or warranty claims, please contact ACASIS customer support. Refer to the product packaging or the official ACASIS weblloc web per obtenir la informació de contacte més actualitzada.
When contacting support, please have your product model number (TBU405PROM1) and proof of purchase readily available.
