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Small green circuit board with black chips and gold edge connector, M.2 2280 form factor

Western Digital

Western Digital PC SN730 NVMe M.2 2280 256GB internal SSD SDBPNTY-256G

SKU CH-R1VP-ZQ72B MPN SDBPNTY-256G

A 256GB M.2 2280 NVMe drive using 3D NAND and PCIe Gen3 x4, reaching 3150 MB/s read and 2100 MB/s write with 200 TBW endurance

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form FactorM.2 2280
  • Capacity256GB
  • Memory Components3D NAND
  • InterfacePCIe Gen3 x4 NVMe v1.3
  • Fast boot and load times from sequential reads up to 3150 MB/s
  • Smooth multitasking with random read performance up to 270000 IOPS
  • Reliable long-term storage backed by 1.75M hours MTTF
  • Low power draw extends laptop battery life at 30 mW idle
  • Compact M.2 2280 form factor fits thin ultrabooks and desktops

Western Digital PC SN730 NVMe 256GB M.2 2280

This internal solid-state drive uses the M.2 2280 form factor and a PCIe Gen3 x4 interface. It provides 256GB of storage built with 3D NAND for consumer desktops and laptops. Sequential reads reach up to 3150 MBps and writes up to 2100 MBps.

PCIe Gen3 x4 NVMe v1.3 practical limits

The drive connects through a PCIe Gen3 x4 link using the NVMe v1.3 protocol. Peak throughput is bounded by the Gen3 lane rate, so sequential speeds top out at the rated 3150 MBps read and 2100 MBps write. Random performance scales to 270,000 read IOPS and 280,000 write IOPS. Endurance is rated up to 200 TBW with an MTTF of 1.75M hours.

Check your system before ordering

Verify the motherboard or laptop has an M.2 2280 slot wired for PCIe Gen3 x4 NVMe operation. The drive draws 30 mW idle and 100 mW active within a 0°C to 70°C operating range. Physical dimensions are 80.00mm long, 22.00mm wide and 2.38mm high.

Points forts

  • Fast boot and load times from sequential reads up to 3150 MB/s
  • Smooth multitasking with random read performance up to 270000 IOPS
  • Reliable long-term storage backed by 1.75M hours MTTF
  • Low power draw extends laptop battery life at 30 mW idle
  • Compact M.2 2280 form factor fits thin ultrabooks and desktops

Caractéristiques

BrandWestern Digital
SeriesPC SN730 NVMe
ModelSDBPNTY-256G
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form FactorM.2 2280
Capacity256GB
Memory Components3D NAND
InterfacePCIe Gen3 x4 NVMe v1.3
Max Sequential ReadUp to 3150 MBps
Max Sequential WriteUp to 2100 MBps
4KB Random ReadUp to 270,000 IOPS
4KB Random WriteUp to 280,000 IOPS
MTTFUp to 1.75M hours
FeaturesRead speeds up to 3,150 MB/s
256GB-1TB capacities available in M.2 2280 Form Factor
Endurance of up to 200 TBW
Power Consumption (Idle)30 mW
Power Consumption (Active)100 mW
Operating Temperature0°C ~ +70°C
Storage Temperature-55°C ~ +85°C
Max Shock Resistance1,500G @0.5 ms half sine, 3 pulses per face
Max Vibration ResistanceOperating: 5 gRMS, 10-2000Hz, 3 axes
Non-Operating: 4.9 gRMS, 7-800Hz, 3 axes
Height2.38mm
Width22.00mm
Depth80.00mm
Weight7.30g
Poids d’expédition0.09 kg
Dimensions du colis152 × 102 × 5 mm

Questions sur cet article

Should I choose the 256GB model or a larger capacity from the 256GB-1TB range?

The 256GB model suits light workloads and single-drive laptops; larger capacities up to 1TB provide more space and higher endurance for heavier write tasks.

What does the 3150 MBps sequential read figure mean once the drive is installed in my laptop?

It represents the peak throughput the controller can sustain over PCIe Gen3 x4; real-world speeds depend on the host controller, thermal limits and file sizes.

How does the PCIe Gen3 x4 NVMe v1.3 interface cap performance in practice?

The four-lane Gen3 link limits maximum theoretical bandwidth to roughly 4 GBps, so the drive's 3150 MBps read and 2100 MBps write sit within that ceiling.

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