Compatible hard drives for TerraMaster U12-725

18 drives are on TerraMaster's official compatibility list for the U12-725 series, up to 26TB listed. Read from terra-master.com, list refreshed 2026-11-03.

Series-level list

18
Listed drives
16
NAS line
2
Enterprise line
0
Surveillance & other

This vendor publishes its compatibility list as an advisory tested matrix — drives not on it are not firmware-blocked. Treat the list as a quality signal; off-list drives work but fall outside the tested pairing.

Capacity range on the official list

26TB (1) 20TB (1) 10TB (2) 6TB (2) 4TB (6) 2TB (2) 1TB (3) 1TB & below (1)

Where to start on the U12-725

For a home or small-office workload, the NAS lines below balance sustained writes and RAID-rebuild tolerance. Enterprise speed is only worth paying for in full-bay builds:

Full U12-725 compatibility list

Grouped by part number; Max shows the largest capacity TerraMaster lists. Filter by brand, line or capacity:

DriveBrandSeriesLineTypeMax listed
WD260KFGX Western Digital WD RED Pro Enterprise 3.5" SATA HDD 26 TB
HDWG62AUZSVA Toshiba NAS N300 NAS 3.5" SATA HDD 20 TB
HDWG71AUZSVA Toshiba NAS N300 NAS 3.5" SATA HDD 10 TB
HDWTA1AUZSVA Toshiba Surveilance S300 Pro Enterprise 3.5" SATA HDD 10 TB
HDWT860UZSVA Toshiba Surveilance S300 NAS 3.5" SATA HDD 6 TB
WD60EFAX Western Digital WD RED NAS 3.5" SATA HDD 6 TB
HDWG740UZSVC Toshiba NAS N300 NAS 3.5" SATA HDD 4 TB
HDWT840UZSVA Toshiba Surveilance S300 NAS 3.5" SATA HDD 4 TB
SKC3000D4096G Kingston KC3000 NAS 3.5" SATA HDD 4 TB
SNV3S/4000G Kingston SNV3S NAS 3.5" SATA HDD 4 TB
WD BLACK Western Digital SN7100 NAS 3.5" SATA HDD 3 sizes · 4 TB
WD BLUE Western Digital SN5100 NAS 3.5" SATA HDD 3 sizes · 4 TB
SKC3000D2048G Kingston KC3000 NAS 3.5" SATA HDD 2 TB
SNV3S/2000G Kingston SNV3S NAS 3.5" SATA HDD 2 TB
MZ-V9P1T0BW SAMSUNG 990 PRO 2280 NVMe SSD SSD M.2 NVMe SSD 1 TB
SKC3000S1024G Kingston KC3000 NAS 3.5" SATA HDD 1 TB
SNV3S/1000G Kingston SNV3S NAS 3.5" SATA HDD 1 TB
SKC3000S512G Kingston KC3000 NAS 3.5" SATA HDD 512 GB

Going big on the U12-725?

At the top of the capacity range only enterprise lines are listed. They are built for sustained 7200RPM writes and 24/7 RAID duty — the right choice for a full-bay build:

Security: TerraMaster security & the 2022 RCE chain — TOS 4.2.30+ — check yours.