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
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
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:
- Toshiba NAS N300 — listed in 20TB price
- Toshiba NAS N300 — listed in 10TB price
- Toshiba Surveilance S300 — listed in 6TB price
- Western Digital WD RED — listed in 6 TB price
Full U12-725 compatibility list
Grouped by part number; Max shows the largest capacity TerraMaster lists. Filter by brand, line or capacity:
| Drive | Brand | Series | Line | Type | Max 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.