









🚀 Unlock lightning-fast, massive, and silent storage—because your data deserves the best.
The TERRAMASTER D4-320 is a 4-bay external hard drive enclosure featuring USB 3.2 Gen2 Type-C connectivity with up to 10Gbps transfer speeds. It supports hot-swappable drives up to 22TB each, totaling 88TB capacity, and offers tool-free installation with a secure Push-Lock design. Equipped with a smart adjustable fan and soundproofing, it ensures efficient heat dissipation and quiet operation, making it ideal for professionals seeking high-performance, scalable, and hassle-free storage solutions.





































| ASIN | B0CTTL9R7Z |
| Compatible devices | Desktop, CPU, Laptop, Server |
| Data transfer rate | 10 Gigabits Per Second |
| Global Trade Identification Number | 06939236143790 |
| Hard disk form factor | 3.5 Inches |
| Item model number | D4-320 |
| Item weight | 1.3 Pounds |
| Manufacturer | TERRAMASTER |
| Material | Metal |
| Max number of supported devices | 4 |
| Product Dimensions | 22.2 x 17.88 x 15.39 cm; 589.67 g |
A**R
It is exactly as described in the description of product. No second thoughts on buying. Using it as partial RAID and simple storage for homelab. For mounting SSDs, screws are provided, this information is missed out in the product package contents. R/W Speeds match the described information.
C**N
Muy buen producto, agregando discos duros podemos tener bastante almacenamiento
J**A
Easy to use. Fan is less noisy.
D**T
I have two different NAS systems. Each time I upgrade the drives, I am left with smaller unused drives. This affordable unit lets me use these drives as a backup. Easy to set up, good price, good performance.
V**U
This is a really great drive enclosure for three reasons: design, reliability, and value. I really appreciated the tool-less design. I fully loaded the enclosure with 4 drives in probably less time then it would take to screw mounting plates onto a single drive for other enclosures or a PC case. This also means that drive replacements in the future will also be quick. Not as important, but the general appearance is also very nice--a very clean design. I have owned several external USB drive enclosures in single and dual bay capacities in the past, but most of them were not reliable. In the middle of long transfers, the USB connection would always drop and I would give up entirely. This led me to think that USB was too unreliable for large data transfers and external hard drives in general. I am currently using this drive enclosure for storing large data backups, merged with DrivePool with parity by snapraid. The size of an individual backup can exceed 3 TB and this enclosure has not failed me yet. The connection is reliable. Multiple drive bay enclosures can get quite expensive. That this one goes for less than the price of a large capacity NAS hard drive makes it very affordable and a good value. Would definitely buy again and would consider other drive enclosures from Terramaster in the future.
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