Compatible hard drives for QNAP TS-1673U
25 drives are on QNAP's official compatibility list for the TS-1673U, up to 10TB listed. Read from qnap.com, list refreshed 2026-11-03.
16-bay Legacy model
AMD R-Series RX-421ND 4-core 2.1 · 8 GB UDIMM DDR4 · max 64 GB (4 x 16 GB)
| CPU | AMD R-Series RX-421ND 4-core 2.1 GHz processor (Turbo Core to 3.4 GHz) |
| Architecture | 64-bit x86 |
| Memory (as shipped) | 8 GB UDIMM DDR4 |
| Maximum memory | 64 GB (4 x 16 GB) |
| Drive bays | 16 x 3.5-inch SATA 6Gb/s, 3Gb/s 2 |
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 TS-1673U
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 TS-1673U compatibility list
Grouped by part number; Max shows the largest capacity QNAP lists. Filter by brand, line or capacity:
| Drive | Brand | Series | Line | Type | Max listed |
|---|---|---|---|---|---|
| HDN721010ALE604 | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 10 TB |
| H3IKNAS600012872SN (0S03839) | HGST | Deskstar NAS | NAS | SATA 6Gb/s (SATA III) | 6 TB |
| H3IKNASN600012872SE2PK (0S03943) | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 6 TB |
| H3IKNASN600012872SE4PK (0S03945) | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 6 TB |
| HDN724060ALE640 | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 6 TB |
| HDN726060ALE610 | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 6 TB |
| H3IKNAS500012872SJ (0S03838) | HGST | Deskstar NAS | NAS | SATA 6Gb/s (SATA III) | 5 TB |
| HDN724050ALE640 | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 5 TB |
| HDN726050ALE610 | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 5 TB |
| H3IKNAS40003272SA (0S03666) | HGST | Deskstar NAS | NAS | SATA 6Gb/s (SATA III) | 4 TB |
| H3IKNAS40003272SE (0S03665) | HGST | Deskstar NAS | NAS | SATA 6Gb/s (SATA III) | 4 TB |
| H3IKNAS40003272SE2PK (0S03903) | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 4 TB |
| H3IKNAS40003272SE4PK (0S03678) | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 4 TB |
| H3IKNAS40003272SN (0S03664) | HGST | Deskstar NAS | NAS | SATA 6Gb/s (SATA III) | 4 TB |
| H3IKNAS40003272SN4PK (0S03677) | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 4 TB |
| H3IKNAS40003272SP2PK (0S03902) | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 4 TB |
| HDN724040ALE640 | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 4 TB |
| HDN726040ALE610 | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 4 TB |
| H3IKNAS30003272SA (0S03662) | HGST | Deskstar NAS | NAS | SATA 6Gb/s (SATA III) | 3 TB |
| H3IKNAS30003272SE4PK (0S03674) | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 3 TB |
| H3IKNAS30003272SN (0S03660) | HGST | Deskstar NAS | NAS | SATA 6Gb/s (SATA III) | 3 TB |
| H3IKNAS30003272SP2PK (0S03898) | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 3 TB |
| HDN724030ALE640 | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 3 TB |
| HDN726030ALE610 | HGST | NAS | NAS | SATA 6Gb/s (SATA III) | 3 TB |
| CT256M550SSD3 | Crucial | SSD | mSATA SSD | 256 GB |
Security: QNAP security: DeadBolt history & lockdown — eCh0raix → Qlocker → DeadBolt — what changed.