Western Digital PC SN520 NVMe SSD

Western Digital PC SN520 NVMe SSD

Multiple Form Factors Enable You to Build Ultra-Thin, Innovative Solutions


Outstanding Performance with Greater Design Flexibility

The Western Digital PC SN520 NVMe™ SSD is designed for a multitude of applications that require both high performance and low power. The device is not only capable of more than three times the read speed over SATA SSDs, but further optimizes the low power consumption level to a mere 2.5mW.

Equipped with a fully integrated solution including an in-house controller, 64-layer 3D NAND, firmware, and extensive testing, the Western Digital PC SN520 NVMe™ SSD provides longevity of supply in a robust and reliable design.

Versatile Options for Mobility


Multiple form factors provide easy migration/qualification of platforms to NVMe™ architecture

High Endurance

Designed to improve performance and endurance, featuring nCache 3.0


Various M.2 sizes and capacities to address varying OEM and systems builders’ needs

Product Resources

Features Items


  • Read speeds up to 1,700 MB/s (512GB and 256GB models) and low power consumption leverages both the PCIe Gen3 x2 interface, as well as sophisticated NVMe power management
  • 128GB – 512GB capacities available in three small form factors: M.2 2230, M.2 2242, M.2 2280
  • Endurance of up to 300 TBW (512GB model)
  • 5-year limited warranty

Applications and Workload

  • Ultra-Thin Notebooks
  • Ultra-Thin Tablets
  • Embedded Applications
  • IoT Applications

Flexibility and Versatility to Innovate in Design

With future-ready, scalable NVMe architecture, the Western Digital PC SN520 NVMe SSD offers the solution to innovate and expand computing effectiveness, allowing greater design flexibility for ultra-thin notebook or tablet designs.


  • Banking & Finance
  • Government
  • Healthcare & Research
Sequential Read/WriteUp to 1,500/800MB/sUp to 1,700/1,300MB/sUp to 1,700/1,400MB/s
Random Read/WriteUp to 95/90K IOPSUp to 220/175K IOPSUp to 270/280K IOPS
Form FactorM.2 2280, 2242, 2230M.2 2280, 2242, 2230M.2 2280, 2242, 2230
InterfaceNVMe Gen3 X2NVMe Gen3 X2NVMe Gen3 X2
Endurance100 TBW200 TBW300 TBW