TerraMaster release D8 Thunderbolt 3 8-Bay DAS

TerraMaster Introduces Upgraded D8 Thunderbolt 3 8-Bay DAS

Multiple RAID Supports

The D8 Thunderbolt 3 can operate with RAID 0, 1, 5, 6, and 10, as well as JBOD disk array modes for all your application needs. This underpins the all-important concern for guaranteed data security, and it ensures that your storage capacity is utilised in the most efficient way possible.


Large Storage Capacity

TerraMaster’s 8-bay D8 Thunderbolt 3 is compatible with 3.5″ SATA disks and 2.5″ SSDs, allowing professionals to capitalise on a total storage capacity of up to 144TB. As a result, you can be assured the device gives you the tools you need to overcome any storage challenge.


Drawing on a pair of Thunderbolt 3 interfaces (40 Gbps) and a hardware RAID controller, the D8 Thunderbolt 3 can operate at transfer speeds of 1916 MB/s under a 7200 RPM high-speed hard disk and RAID 0 array mode. Under RAID 5, the device can achieve a speed of 1640 MB/s.

Enjoy Rapid Video Workflows

TThe time needed for virtually every aspect of the post-production workflow falls when using the D8 Thunderbolt 3. At lightning speed, users can transfer several hours of footage from a Blackmagic® device to Adobe® Premiere Pro. In turn, with uncompressed HD 10-bit and 12-bit video, users can edit the ProRes 422 (HQ), ProRes 4444 XQ, and other data streams. Thumbnails and preview rendering are significantly more responsive when using large items with numerous high-definition clips.

High Scalability

Using one cable, Thunderbolt 3 enables users to daisy-chain more than five devices to their computer. As a result, users can achieve an enormous 800 TB capacity by linking together six D8 Thunderbolt 3 devices.

Thunderbolt 3 and Thunderbolt 2 Compatibility (for Mac only)

If your Mac has Thunderbolt 3 and Thunderbolt 2 ports, you can capitalise on the D8 Thunderbolt 3 to achieve high-end transfer rates. With Apple’s Thunderbolt 3 (USB-C) to Thunderbolt 2 adapter (not sold with the D8 Thunderbolt 3), compatibility between the D8 Thunderbolt 3 and earlier Thunderbolt technologies is straightforwardly achieved.

Perfectly Suited for the Most Demanding Video Professionals

With its aluminium casing, metal build, and 90-mm inbuilt temperature-controlled smart fans, full heat dissipation of the D8 Thunderbolt 3 is assured for those video professionals working long hours.

Create the Smartest Workspace

A key feature of Thunderbolt 3 is its bandwidth capacity, which has been doubled since Thunderbolt 2. At the same time, the D8 Thunderbolt 3 benefits from a HD DP digital interface and a pair of Thunderbolt 3 interfaces. By daisy-chaining two 4K displays (or one 5K display) to the D8 Thunderbolt 3, users can augment their workspace in the smartest and most suitable way for their professional needs. Additionally, using Thunderbolt 3 connections, users can even power a compatible notebook computer.


Professional and Safe

Replacing lost content is inconvenient, costly, and, ultimately, unworkable for all professionals. Therefore, with the D8 Thunderbolt 3, TerraMaster has not comprised on its use of state-of-the-art storage technologies to ensure data safety and security. Now, freed from concerns about inadequately protected data, users can focus on what matters to you.

Compatible with multiple arrays in one device Online RAID Level Migration (ORLM)
RAID Online Capacity Expansion (OCE) Compatible with hot swapping and hot plugging
Automatic drive (insert / removal) detection Supports hot spare disk
Hard disk NCQ (native command sort) technology Flash cache
Automatic RAID rebuild Multiple RAID initialization types
SHI (Storage Health Inspector – S.M.A.R.T.) Verifies RAID for bad sectors and parity check
Regular and automatic hard drive checks Bad sector repair and remapping
Spin down idle mode Alert notifications via email
Staggered drive spin up Event log



Disk Slot Number 8
Compatible Disk Types 3.5″ SATA HDD
File System FAT 32, FAT 16, NTFS, and EXT4
Maximum Internal Raw Capacity 144TB (18 TB drive x 8) (Capacity will vary along with the RAID type)
Hardware RAID
RAID Manager Software
RAID Manager Software Language English, Chineses, Japanese
RAID Online Expansion
RAID Migration
RAID Auto-rebuilding
Drive Hot Swap
HDD Sleep
HDD S.M.A.R.T. Inspection
Sector Inspection and Parity Check
SSC Cache
Daisy Chain
HDD NCQ Technology
Alert Notice
Event Log
External Ports
Thunderbolt 40Gb Thunderbolt 3 x 2
DP Interface DP 1.2 x 1
Power Socket AC IN 220V
Reading/writing Speed (max.)
Reading Speed (max.) Read: 2112MB/sec(Use SSD under RAID 0 mode)
Read: 1916MB/sec(Use HDD under RAID 0 mode)
Read: 1642MB/sec(Use HDD under RAID 5 mode)
Writing Speed (max.) Write:1724MB/sec (Use SSD under RAID 0 mode)
Write:1640MB/sec (Use HDD under RAID 0 mode)
Write:951MB/sec (Use HDD under RAID 5 mode)
Size (H*W*D) 266 x 184 x 315 mm
Packaging Size (H*W*D) 381 x 320 397 mm
Weight Net Weight: 5.3Kg  Gross Weight: 7.0Kg
System fan 90 mm x 90 mm x25mm (x 2)
Fan mode Smart
Noise Level 24dB(A)
Power Supply
Power Supply 300W
AC Input Voltage 100V to 240V AC
Current Frequency 50/60 HZ, Single Phase
Power Consumption 96.8W(Access)
Environment Temperature
Working Temperature 5°C  ~ 40°C (40°F ~ 104°F)
Storage Temperature -20°C ~ 60°C (-5°F ~ 140°F)
Relative Humidity 5% ~ 95% RH
Supported OS Windows OSMac OS
Warranty 2 years
Certificate CE, FCC, CCC, KC
Environment RoHS compliance
Package Contents: Host unit (x1)
Power cord (x1)
Thunderbolt 3 cable (40Gbps) * 1
Quick Installation Guide (x1)
Screws (several)
Limited Warranty Note x 1
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