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A datacenter-class drive: higher workload rating and longer warranty than a consumer model, usually at a higher price per terabyte.
| Capacity | 1.6 TB |
|---|---|
| Form factor | 2.5"* |
| Type | SSD* |
| Interface speed | PCIe Gen3 x4 |
| Series | Ultrastar DC SN840 |
| Class | Enterprise |
| Sequential read | 3470 MB/s |
| Sequential write | 2300 MB/s |
| Endurance | 8760 TBW |
| MTBF | 2500000 hours |
| Warranty | 5 years |
| NAND type | 3D TLC |
| Endurance (drive writes/day) | 3 DWPD |
| Random read (4K) | 224000 IOPS |
| Power, active | 18 W |
| Power, idle | 6 W |
| Operating temperature | 32 to 158 °F (0 to 70 °C) |
| Height (z-height) | 0.59 in (15 mm) |
| Weight | 8 oz (227 g) |
| Released | 2020 |
Recently observed offers
Used: $270.31 incl. listed shipping Checked 2026-10-31
Cheapest exact-model fixed-price listing found per condition (New, Refurbished, Used) -- shown only for conditions with a real match, checked within three days of this page build. Availability and shipping may change; confirm at the seller.
* Decoded from the drive model number, not stated by the NAS manufacturer.
Certified on 7 QNAP NAS models
Show all 7 QNAP models
The certified list above comes from QNAP's published Hardware Compatibility List. Certification is the manufacturer's statement, not a test performed here.