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Rectangular silver 2.5 inch SSD with label, SATA connectors visible

SAMSUNG

SAMSUNG SDSM850PRO-256P 256GB 2.5" SATA internal SSD

SKU CH-PCZQ-864ZB MPN SDSM850PRO-256P

A 2.5 inch SATA internal SSD holding 256GB with 3D V-NAND, up to 550 MBps read and 520 MBps write, plus 2,000,000 hours MTBF

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form Factor2.5"
  • Capacity256GB
  • Memory Components3-D Vertical
  • InterfaceSATA III
  • Fast boot and load times with up to 550 MBps sequential read
  • Responsive multitasking from up to 100000 IOPS random read
  • Long service life backed by 2000000 hours MTBF
  • Low power draw at 0.5W idle and 3.5W active
  • Proven 3D V-NAND technology in a 2.5 inch SATA drive

Samsung 850 PRO 256 GB SATA III SSD

This refurbished Samsung 850 PRO is a 2.5 inch internal solid state drive with 256 GB capacity. It connects through a SATA III interface and uses 3-D Vertical NAND memory with a Samsung MEX controller. Sequential reads reach up to 550 MBps and writes up to 520 MBps. Random performance hits 100000 IOPS read and 90000 IOPS write.

Suits 2.5 inch SATA bays in laptops and desktops

The 7 mm height fits standard drive bays in notebooks and desktop PCs that accept a 2.5 inch SATA device. It draws 0.5 W idle and 3.5 W active, so it works within typical laptop power budgets. Buyers needing an M.2 form factor or a PCIe interface should choose a different model.

MTBF rated at 2000000 hours

The manufacturer specifies a mean time between failures of 2000000 hours, indicating high endurance for a consumer drive. This figure helps assess whether the SSD meets reliability requirements for long-term workloads. Operating temperature range is 0 °C to 70 °C and humidity tolerance is 0 % to 95 %.

Points forts

  • Fast boot and load times with up to 550 MBps sequential read
  • Responsive multitasking from up to 100000 IOPS random read
  • Long service life backed by 2000000 hours MTBF
  • Low power draw at 0.5W idle and 3.5W active
  • Proven 3D V-NAND technology in a 2.5 inch SATA drive

Caractéristiques

BrandSAMSUNG
Series850 PRO
ModelMZ-7KE256BW
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form Factor2.5"
Capacity256GB
Memory Components3-D Vertical
InterfaceSATA III
ControllerSamsung MEX Controller
Max Sequential ReadUp to 550 MBps
Max Sequential WriteUp to 520 MBps
4KB Random ReadUp to 100,000 IOPS
4KB Random WriteUp to 90,000 IOPS
MTBF2,000,000 hours
FeaturesThe World's First Consumer 3D V-NAND SSD
Ultimate Read/Write Performance
Enhanced Endurance and Reliability
Efficient Power Management
Power Consumption (Idle)0.5W
Power Consumption (Active)3.5W
Operating Temperature0°C ~ +70°C
Operating Humidity0% to 95%
Height7.00mm
Width70.10mm
Depth100.08mm
Weight0.14 lb.
Poids d’expédition0.13 kg
Dimensions du colis191 × 165 × 102 mm

Questions sur cet article

How can I confirm the drive is performing at its rated 550 MBps sequential read after installation?

Run a benchmark tool such as CrystalDiskMark and verify the sequential read result is near 550 MBps and sequential write near 520 MBps; also check SMART data shows the drive detected as a SATA III device with 256GB capacity.

What comes in the box and what must I supply myself?

The package contains the 2.5 inch 256GB SSD only; you will need to provide a SATA data cable, a SATA power connection from your power supply, and a 2.5 inch drive bay or adapter bracket for mounting.

Which capacity in the 850 PRO series should I choose for a boot drive with room for key applications?

The 256GB model offers 256GB of 3D V-NAND storage with up to 100,000 random read IOPS and 90,000 random write IOPS, making it well suited for an OS plus core programs; larger capacities in the same series provide more space but share the same performance profile.

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