WD PC SN740 NVMe SSD 256GB M.2 2280 PCIe Gen4 x4

Model / Part Number: SDDPNQD-256G-1006
EAN: SSDPNQD-256G-1006

Product Description

The Western Digital PC SN740 NVMe SSD 256GB is a high-performance OEM solid-state drive designed for modern thin and light laptops, ultrabooks, and compact systems. Featuring PCIe Gen 4.0 x4 NVMe 1.4b interface technology, this M.2 2280 SSD delivers fast data transfer speeds with low power consumption, making it suitable for operating systems, applications, and professional workloads requiring responsive storage performance.

Built with Western Digital TLC 3D NAND flash memory and a compact single-sided M.2 design, the SN740 provides an efficient storage solution combining speed, reliability, and energy efficiency for mobile computing platforms.

Full Specifications

General Information

• Brand: Western Digital (WD)
• Series: PC SN740 NVMe SSD
• Model: SDDPNQD-256G
• Capacity: 256GB
• Product Type: Internal NVMe Solid State Drive
• Form Factor: M.2 2280
• Interface: PCI Express Gen 4.0 x4
• Protocol: NVMe 1.4b
• Key Type: M-Key
• Drive Design: Single-sided PCB design

Performance

Sequential Performance

• Maximum Sequential Read Speed: Up to 4000 MB/s
• Maximum Sequential Write Speed: Up to 2000 MB/s

Random Performance

• Random Read Speed: Up to 240K IOPS
• Random Write Speed: Up to 470K IOPS

Memory & Technology

• NAND Type: Western Digital TLC 3D NAND
• Controller: Western Digital integrated NVMe controller
• Technology: PCIe Gen4 NVMe architecture
• Interface Bandwidth: PCIe 4.0 x4 lanes

Physical Specifications

• Form Factor: M.2 2280
• Dimensions:
  • Length: 80 mm
  • Width: 22 mm
  • Thickness: Up to 2.38 mm
• Weight: Approximately 5.4 g

Power Specifications

• Operating Voltage: 3.3V ±5%
• Average Active Power: Approximately 50 mW
• Maximum Power Consumption: Approximately 4.4 W
• Sleep Power: Approximately 3.3 mW

Reliability & Durability

• Endurance: 200 TBW (Terabytes Written)
• MTTF: Up to 1.75 million hours
• Operating Temperature: 0°C to 85°C
• Non-Operating Temperature: -40°C to 85°C

Security Features

• Non-SED Security Support:
  • TCG Pyrite 2.01
  • ATA Security passthrough over NVMe
• SED Security Support:
  • TCG Opal 2.01

Compatibility

Compatible with systems supporting:

• M.2 2280 NVMe SSD slot
• PCIe Gen4 x4 NVMe interface
• PCIe Gen3 systems (with reduced performance depending on platform)

Suitable for:

• Laptops
• Ultrabooks
• Mobile workstations
• Compact PCs
• OEM systems requiring high-speed NVMe storage

Key Features

• ✅ PCIe Gen4 x4 NVMe high-speed interface
• ✅ Up to 4000 MB/s read performance
• ✅ Up to 2000 MB/s write performance
• ✅ Compact M.2 2280 single-sided design
• ✅ Low power consumption for mobile devices
• ✅ Western Digital TLC 3D NAND technology
• ✅ Designed for fast boot times and responsive applications