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Green rectangular M.2 2280 circuit board with gold edge connector and black controller chip

Plextor

Plextor PX-256S2G 256GB M.2 2280 SATA internal SSD

SKU CH-MEWK-762M9 MPN PX-256S2G

256 GB M.2 2280 SATA SSD delivering 520 MB/s read, 480 MB/s write and 96K/73K IOPS with 512 MB DDR3 cache

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form FactorM.2 2280
  • Capacity256GB
  • Memory ComponentsTLC
  • InterfaceSATA III
  • M.2 2280 form factor fits slim laptops and desktops
  • SATA III interface delivers up to 520 MB/s sequential read speed
  • 512 MB DDR3 cache boosts random read to 96,000 IOPS
  • PlexNitro SLC cache technology provides full 256 GB usable capacity
  • 5 million-hour MTBF and 1500 G shock resistance ensure long-term reliability

256GB M.2 2280 SATA SSD

The Plextor S2G is a 256GB internal solid-state drive built in the M.2 2280 form factor with a SATA III interface. It uses TLC NAND flash and an SMI SM2258 controller backed by 512MB of DDR3 cache. The drive targets consumers looking for a straightforward storage upgrade for compatible laptops or desktops.

Suits SATA M.2 slots; not for PCIe-only boards

This drive fits systems that accept M.2 2280 modules running SATA signalling. It will not operate in slots wired exclusively for PCIe protocols. Buyers should verify their motherboard or laptop documentation confirms SATA support on the M.2 socket before purchase.

Sequential read up to 520 MBps

The specifications list a maximum sequential read speed of 520 MBps and a maximum sequential write speed of 480 MBps. Random read reaches 96,000 IOPS while random write reaches 73,000 IOPS. These figures define the performance ceiling for boot, application loading and file transfer workloads.

Points forts

  • M.2 2280 form factor fits slim laptops and desktops
  • SATA III interface delivers up to 520 MB/s sequential read speed
  • 512 MB DDR3 cache boosts random read to 96,000 IOPS
  • PlexNitro SLC cache technology provides full 256 GB usable capacity
  • 5 million-hour MTBF and 1500 G shock resistance ensure long-term reliability

Caractéristiques

BrandPlextor
SeriesS2G
ModelPX-256S2G
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form FactorM.2 2280
Capacity256GB
Memory ComponentsTLC
InterfaceSATA III
ControllerSMI SM2258
Cache512MB DDR3
Max Sequential ReadUp to 520 MBps
Max Sequential WriteUp to 480 MBps
4KB Random ReadUp to 96,000 IOPS
4KB Random WriteUp to 73,000 IOPS
MTBF1,500,000 hours
FeaturesSupports latest LDPC technology to guarantee data integrity
High-speed access performance: sequential read/write speeds of up to 520/480 MB/s; random read/write speeds of up to 96K/77K IOPS.
Proprietary PlexNitro performance optimization buffering technology to provide full storage capacity
TBW up to 75TB/150TB
Supports PlexTurbo, PlexCompressor, and PlexVault
Two Interfaces - 2.5" and M.2 2280
Multiple capacity options: 128, 256, and 512GB
Operating Temperature0°C ~ +70°C
Max Shock Resistance1500G (Max.), at 1 msec hal f-sine
Max Vibration Resistance7~800Hz, 3.08Grms (Operating)
Height2.30mm
Width22.00mm
Depth80.00mm
Weight0.35 oz.
Poids d’expédition0.02 kg
Dimensions du colis154 × 48 × 17 mm

Questions sur cet article

Which capacity should I pick among the 128 GB, 256 GB and 512 GB options?

The 256 GB model gives you the full advertised space because PlexNitro SLC caching removes the need for over-provisioning, unlike drives that reserve 120 GB out of 128 GB.

What do the 520 MB/s read and 480 MB/s write figures mean once the drive is installed?

They are SATA III sequential limits, so large file copies and OS boot will hit those speeds, while everyday mixed workloads run at the 96K read and 73K write IOPS random rates.

What does the SATA III interface on an M.2 2280 drive cap in practice?

The SATA III link tops out at 6 Gb/s, so even though the drive uses the M.2 2280 slot, throughput cannot exceed the 520/480 MB/s sequential ceiling.

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