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TerraMaster D4-320 4-Bay USB3.2 Gen2 10Gbps Storage
2 Years
Compatible Hard Disks
UPS Backup
D4-320
4-bay USB3.2 Gen2 10Gbps External Hard Disk Enclosure
Transfer speeds up to 1016MB/s
4-bay USB Storage per Home/SOHO
High-Performance 4-Bay DAS
The D4‑320 is a 4‑bay external DAS enclosure designed for high‑capacity storage expansion via a fast USB 3.2 Gen 2 Type‑C (10 Gbps) interface. It supports multiple types of SATA drives — 3.5″ HDDs, 2.5″ HDDs, and 2.5″ SSDs — allowing large storage setups up to 96 TB
RAID and Data Management
Importantly, the D4‑320 does not include RAID hardware or software functionality; it operates in single‑disk mode only and relies on the host operating system (such as Windows or Linux) if RAID is desired.
Compatibility and Ease of Use
Compatible with Windows, Mac, and Linux, the D4‑320 features hot swap support and a tool‑free drive tray design for easy installation and replacement, providing a fast, reliable, and versatile storage solution for professionals, creative studios, and small offices.
Specifications
Storage & Drives
- 4 × SATA drive bays for:
• 3.5″ SATA HDD
• 2.5″ SATA HDD
• 2.5″ SATA SSD - Maximum raw internal capacity: 96 TB (4 × 24 TB)
- File systems supported: NTFS, APFS, Mac OS, FAT32, EXT4, exFAT
RAID Support
- RAIDs supported: Single Disk only
- Hardware RAID: Not supported
- RAID manager & features: Not available
- Software RAID: Must be provided by host OS if needed (Windows/Linux)
External Interface & Ports
- USB 3.2 Gen 2 Type‑C (10 Gbps) host interface
Performance (Max, indicative)
- With 1 SSD:
• Read ~560 MB/s
• Write ~520 MB/s - With 4 SSDs:
• Read ~1016 MB/s
• Write ~960 MB/s
Drive Features
- Hot swap support (drive change without power off)
- HDD sleep support
Cooling & Noise
- 1 × 120×120×25 mm system fan
- Smart fan mode
- Typical noise: ~21 dB(A)
Physical & Power
- Dimensions: 222 × 179 × 154 mm
- Net weight: ~1.9 kg
- Power: 72 W adapter (100–240 V AC)
- Power consumption (active): ~40.8 W
- Hibernation: ~3.7 W
Environmental
- Operating temperature: 0 °C ~ 40 °C
- Storage temperature: -20 °C ~ 60 °C
- Relative humidity: 5 % ~ 95 %
Compatibility
- Windows, macOS, Linux supported
- Plug‑and‑play with no drivers required
Package Contents
- D4‑320 enclosure
- USB‑C (10 Gbps) cable (0.8 m)
- Power adapter
- Power cord
- Screws & accessories
- Quick installation guide
