TERRAMASTER D4-320 – 4-bay hard drive enclosure, USB 3.2 Gen2 10 Gbps, hot-swappable (diskless)
The D4-320 adds four separate drive bays to your computer through a single USB-C connection. It is plug-and-play, hot-swappable and quiet enough for a desk.
What the D4-320 does for your data
USB 3.2 Gen2 at up to 10 Gbps reaches 1,016 MB/s with four hard drives, and 510 MB/s from a single SSD.
Four bays of up to 22 TB each give up to 88 TB of directly attached storage.
Each drive appears individually, plug-and-play on Windows, macOS and Linux without drivers.
Hot swapping lets you change a drive without switching the enclosure off.
Tool-free trays with Push-Lock secure each drive as soon as it is inserted.
A temperature-controlled fan, sound-absorbing panels and vibration damping keep standby noise below 21 dB(A).
Ready to organise your storage?
Check today’s price and delivery time for the TERRAMASTER D4-320.
Backup, sharing, work
Who is it for?
A good choice if…
Photographers, video makers and home users who need lots of external storage with individual drive access.
Check before you buy
Supplied diskless; the D4-320 has no RAID function, so each drive works on its own. It is compatible with USB 3.0, 3.1 and 3.2 ports as well as Thunderbolt 3 and 4.
Technical specifications
| Drive bays | 4 |
|---|---|
| Interface | USB 3.2 Gen2 Type-C, 10 Gbps |
| Speed (4 HDD) | Up to 1,016 MB/s |
| Speed (1 SSD) | Up to 510 MB/s |
| Maximum capacity | 88 TB (4 x 22 TB) |
| RAID | Not supported, individual disks |
| Compatible drives | 3.5″ / 2.5″ SATA HDD, 2.5″ SATA SSD |
| Standby noise | Below 21 dB(A) |
| Drives included | No (diskless) |
Frequently asked questions
Does the D4-320 support RAID?
No. It works with four individual disks; for hardware RAID, choose a model such as the D2-320 or D5-310.
Can I swap drives while it is running?
Yes. The D4-320 supports hot swapping.
Will it work with a Thunderbolt port?
Yes. Its USB-C interface is compatible with USB 3.0, 3.1, 3.2 and Thunderbolt 3 and 4 ports.
The TERRAMASTER D4-320 price changes often
Deals, stock and delivery times change daily: check today’s offer in one click before it moves.
