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| Capacity | 4.0 TB |
|---|---|
| Form factor | M.2* |
| Type | SSD* |
| Interface speed | PCIe 4.0 x4 NVMe |
| Sequential read | 4800 MB/s |
| Sequential write | 4100 MB/s |
| Endurance | 800 TBW |
| MTBF | 1500000 hours |
| Warranty | 5 years |
| NAND type | 3D QLC |
| DRAM cache | DRAM-less (HMB) |
| Random read (4K) | 650000 IOPS |
| Random write (4K) | 900000 IOPS |
| Power, active | 3.5 W |
| Weight | 0.2 oz (7 g) |
| Released | 2022 |
Recently observed offers
New: $675.00 incl. listed shipping Checked 2026-10-31
Excellent refurbished: $409.95 incl. listed shipping Checked 2026-10-31
Used: $323.99 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 13 QNAP NAS models
Show all 13 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.