A NEW ERA OF CONVERGENCE
Western Digital PC SN520 NVMe SSDs flexible form factors enable our partners to build ultra-thin, ultra-small systems that pack a powerful punch in a compact design.
GREATER DESIGN FLEXIBILITY
and PERFORMANCE
The Western Digital PC SN520 NVMe SSD sits at the forefront of the converged mobility era. Flexible form factors enable our partners to build ultra-thin, ultra-small systems that pack a powerful punch in a compact design. Built from the ground up and leveraging the combination of our superior architecture and 64-layer 3D NAND, the SN520 pushes the boundaries of performance and reliability and offers low latency and low power to deliver an exceptional user experience.
Equipped with nCache™ 3.0—the 3rd generation of Western Digital in-house tiered-caching architecture designed to improve performance and endurance—the PC SN520 SSD is optimized to meet demanding power frame and requirements of low power hosts.
FLEXIBILITY AND POWER EFFICIENCY
Easy migration/qualification of platforms from SATA to NVMe architecture, adding performance, and power efficiency, without sacrificing design flexibility.
Architecture Designed for Endurance
Featuring nCache 3.0, Western Digital’s 3rd generation in-house tiered-caching architecture, designed to improve performance and endurance.
Various Sizes and Capacities
Multiple M.2 sizes and capacities to address varying OEM and systems builders’ needs.
Specifications
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| Capacity1 | 512GB | 256GB | 128GB |
| Sequential Read/Write3 | Up to 1,700/1,400MB/s | Up to 1,700/1,300MB/s | Up to 1,500/800MB/s |
| Random Read/Write | Up to 270/280K IOPS | Up to 220/175K IOPS | Up to 95/90K IOPS |
| Form Factor | M.2 2280, 2242, 2230 | M.2 2280, 2242, 2230 | M.2 2280, 2242, 2230 |
| Interface | NVMe Gen3 X2 | NVMe Gen3 X2 | NVMe Gen3 X2 |
| Endurance5 | 300 TBW | 200 TBW | 100 TBW |
| Get the SN520 SSD Computing Data Sheet Get the SN520 SSD Commercial Data Sheet Talk to an expert about the SN520 |
Disclosures
1. As used for storage capacity, one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment.
2. Active power draws are up to 25% lower during sequential reads than previous generations of SanDisk X400 SSD at the 512GB capacity point.
3. As used for transfer rate or interface, megabyte per second (MB/s) = one million bytes per second and gigabit per second (Gb/s) = one billion bits per second.
4. MTTF = Mean Time To Failure based on internal testing using Telcordia stress part testing.
5. TBW (terabytes written) values calculated using JEDEC client workload (JESD219) and vary by product capacity.
6. imensions and weight vary based on form factor and capacity.
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