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

Description
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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