← Back to the full QNAP NAS list

Status: Status unknown
A 1U rackmount NAS with an Intel N150 quad-core, DDR5 memory and six bays, with a redundant power supply version available so one PSU can fail without taking the NAS down. It ships with 8 GB of RAM, up to 16 GB, and has hardware transcoding and AES-NI encryption.
| Bays | 4 |
|---|---|
| CPU | Intel N150 |
| Cores / Threads | 4 / 4 |
| RAM | 8 GB |
| Product category | - |
| Badge | - |
| Hardware support status | - |
| OS/app support | - |
| Technical support end | - |
| Recommended replacement | - |
| Release year | 2026 |
| PCIe slot types | 1x PCIe Gen 3 x2 |
| RAM (max) | 16 GB |
| Memory slots | 1 |
| Memory generation | DDR5 |
| Memory module type | SODIMM |
| Network ports | 2x 2.5GbE |
| USB ports | 1x USB 3.2 Gen 2 + 3x USB 2.0 |
| PCIe expansion | 1 |
| Drive bay types | 3.5" SATA HDD, 2.5" SATA SSD, 2.5" NVMe SSD |
| Hot-swappable bays | Yes |
| CPU frequency (GHz) | 3.6 |
| Dimensions H x W x D | 1.7 x 16.9 x 14.8 in (43.3 x 430 x 374.9 mm) |
Documents
Compatible Drives
12 drives certified on TS-h665U's official manufacturer compatibility list, sourced directly from QNAP's own published Hardware Compatibility List. Each model links to that drive's own compatibility page.
Certified drives by capacity
Show all 12 certified drives
| Brand | Model | Capacity | Type | Verified drive details | Recently observed offers | Status | Firmware |
|---|---|---|---|---|---|---|---|
| Seagate | ST16000NM001G details | 16 TB | 3.5" Enterprise HDD | 7200 RPM · 256 MB cache · CMR · 550 TB/year workload · 2500000 h MTBF · 5-year warranty | New: $349.00 · Refurb: $424.99 | - | - |
| Western Digital | WD80EFPX details | 8 TB | 3.5" NAS HDD | 5640 RPM · 256 MB cache · CMR · 180 TB/year workload · 1000000 h MTBF · 3-year warranty | New: $299.99 · Used: $637.75 | - | - |
| Western Digital | WD8005FFBX details | 8 TB | 3.5" NAS HDD* | 7200 RPM · 256 MB cache · CMR · 550 TB/year workload · 2000000 h MTBF · 5-year warranty | New: $446.82 | - | - |
| Seagate | ST8000VN004 details | 8 TB | 3.5" NAS HDD | 7200 RPM · 256 MB cache · CMR · 180 TB/year workload · 1000000 h MTBF · 3-year warranty | New: $316.49 | - | - |
| Seagate | ST8000NE001 details | 8 TB | 3.5" NAS HDD | 7200 RPM · 256 MB cache · CMR · 300 TB/year workload · 1200000 h MTBF · 5-year warranty | New: $408.35 · Refurb: $314.99 | - | - |
| Toshiba | HDWG180 details | 8 TB | 3.5" NAS HDD | 7200 RPM · 256 MB cache · CMR · 180 TB/year workload · 1000000 h MTBF · 3-year warranty | New: $576.08 · Used: $189.00 | - | - |
| Western Digital | WD60EFPX details | 6 TB | 3.5" NAS HDD | 5400 RPM · 256 MB cache · CMR · 180 TB/year workload · 1000000 h MTBF · 3-year warranty | New: $315.04 | - | - |
| Western Digital | WD40EFPX details | 4 TB | 3.5" NAS HDD | 5400 RPM · 256 MB cache · CMR · 180 TB/year workload · 1000000 h MTBF · 3-year warranty | New: $133.98 | - | - |
| Western Digital | WD4005FFBX details | 4 TB | 3.5" NAS HDD* | 7200 RPM · 256 MB cache · CMR · 550 TB/year workload · 2000000 h MTBF · 5-year warranty | New: $269.49 | - | - |
| Seagate | ST4000VN006 details | 4 TB | 3.5" NAS HDD | 5400 RPM · 64 MB cache · CMR · 180 TB/year workload · 1000000 h MTBF · 3-year warranty | New: $161.57 · Used: $159.99 | - | - |
| Seagate | ST4000NE001 details | 4 TB | 3.5" NAS HDD | 7200 RPM · 256 MB cache · CMR · 300 TB/year workload · 1200000 h MTBF · 5-year warranty | New: $139.00 · Used: $127.50 | - | - |
| Toshiba | HDWG440 details | 4 TB | 3.5" NAS HDD | 7200 RPM · 256 MB cache · CMR · 180 TB/year workload · 1000000 h MTBF · 3-year warranty | No recent verified offer | - | - |
* Type decoded from the drive model number, not stated by the NAS manufacturer.
Extra drive details are published only from manufacturer-owned documents or explicit human review. Follow the model link for field-level sources.
Looking for cameras compatible with QNAP NAS units? See the full QNAP camera compatibility database.