SDDPNQD-256G | Western Digital PC SN740 NVMe™ SSD
- Capacity: 256 GB (238.37 GiB usable)
- Interface: PCIe Gen 4.0 x4 NVMe 1.3
- Sequential Read: Up to 4000 MB/s
- Sequential Write: Up to 2000 MB/s
- Endurance: 200 TBW
- Dimensions: 30 x 22 x 2.38 mm
- Weight: 3.2 g
Western Digital PC SN740 NVMe™ SSD
High-Speed NVMe Performance
Utilizes PCIe Gen 4.0 x4 NVMe interface with read speeds up to 4000 MB/s and write speeds up to 2000 MB/s, delivering exceptional performance for gaming and creative workloads.
Compact and Efficient Design
M.2 2230 form factor with low power consumption (down to 65mW in low power state) ensures compatibility with thin laptops, gaming handhelds, and IoT devices.
Reliable and Durable
Rated for 200 TBW and 1.75M hours MTBF, with 112-layer TLC NAND and TCG Pyrite 2.01 security, offering dependable storage for demanding applications.
Western Digital PC SN740 NVMe SSD: All Features
| Capacity | 256 GB |
|---|---|
| Interface | PCIe Gen 4.0 x4 NVMe 1.3 |
| Performance | Read up to 4000 MB/s, Write up to 2000 MB/s |
| Durability | 200 TBW, 1.75M hours MTBF |
| Security | TCG Pyrite 2.01 |
Western Digital PC SN740 NVMe SSD: All Specifications
| Capacity | 256 GB (238.37 GiB usable) |
|---|---|
| Interface | PCIe Gen 4.0 x4 NVMe 1.3 |
| Form Factor | M.2 2230 |
| Sequential Read Performance | Up to 4000 MB/s |
| Sequential Write Performance | Up to 2000 MB/s |
| Random Read IOPS | Up to 270,000 |
| Random Write IOPS | Up to 470,000 |
| NAND Type | 112-layer 3D TLC NAND (Kioxia BiCS5) |
| Controller | WD 20-82-10081-A1 Polaris MP16+ |
| Cache | HMB-SLC cache (DRAM-less) |
| Endurance | 200 TBW (Terabytes Written) |
| Reliability | 1.75 million hours MTBF |
| Security | TCG Pyrite 2.01 (SDDPNQD-256G), TCG Opal 2.01 (SDDQNQD-256G) |
| Operating Temperature | 0°C to 70°C |
| Non-Operating Temperature | -40°C to 85°C |
| Dimensions (LxWxH) | 30 x 22 x 2.38 mm |
| Weight | 3.2 g |
| Power Consumption | Up to 5.0 W (active), 65 mW (low power state) |
| System Compatibility | Windows 7 or later, macOS, Linux (with compatible M.2 PCIe slot) |
| Software Support | Western Digital Dashboard |
| Certifications | FCC, CE, BSMI, KC, VCCI, RCM, RoHS |
| Warranty | 5-year limited warranty (OEM) |
| Package Contents | SSD, user manual |













