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Black rectangular 2.5 inch SATA SSD with silver label

SAMSUNG

SAMSUNG 850 PRO MZ-7KE1T0BW 1TB 2.5" SATA internal SSD

SKU CH-Q3VB-2S943 MPN MZ-7KE1T0BW

A 2.5 inch SATA internal SSD with 1TB of 3D V-NAND storage delivering up to 550 MBps sequential read and 520 MBps sequential write speeds

  • Device TypeInternal Solid State Drive (SSD)
  • Form Factor2.5"
  • Capacity1TB
  • Memory Components3D NAND
  • InterfaceSATA III
  • ControllerSamsung MEX Controller

Options 1TB 850 PRO

  • Up to 550 MB/s sequential read speed
  • Up to 520 MB/s sequential write speed
  • 100,000 IOPS random read performance
  • 90,000 IOPS random write performance
  • 2,000,000 hours MTBF reliability rating

1TB SATA III 3D V-NAND SSD

The Samsung 850 PRO MZ-7KE1T0BW is a 2.5 inch internal solid-state drive with 1TB capacity. It uses 32 layer 3D V-NAND technology and a Samsung MEX controller with 64MB DRAM cache. The drive targets users upgrading laptops or desktops that rely on the SATA interface.

Samsung Data Migration software included

The bundled Samsung Data Migration utility simplifies cloning an existing drive onto the new SSD. It transfers the operating system, applications and user data without manual reinstallation. This software addition reduces downtime during the upgrade process for both Windows and Mac systems.

SATA III interface limits peak throughput

The SATA III interface caps sequential transfer rates at the drive's rated 550 MBps read and 520 MBps write. Random performance reaches 100,000 IOPS read and 90,000 IOPS write within that same bandwidth ceiling. The interface also defines the 2.5 inch form factor and power envelope of 4.50W active and 0.05W idle.

Highlights

  • Up to 550 MB/s sequential read speed
  • Up to 520 MB/s sequential write speed
  • 100,000 IOPS random read performance
  • 90,000 IOPS random write performance
  • 2,000,000 hours MTBF reliability rating

Specifications

BrandSAMSUNG
Series850 PRO
ModelMZ-7KE1T0BW
Part NumberMZ-7KE1T0BW
Device TypeInternal Solid State Drive (SSD)
Form Factor2.5"
Capacity1TB
Memory Components3D NAND
InterfaceSATA III
ControllerSamsung MEX Controller
Cache64MB DRAM
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)0.05W
Power Consumption (Active)4.50W
Operating Temperature0°C ~ +70°C
Operating Humidity5% to 95% RH
Height7.00mm
Width69.85mm
Depth100.00mm
Weight0.14 lb.
Shipping weight0.14 kg
Package size146 × 145 × 18 mm

Other versions of this model

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Questions about this item

How long is the 3D V-NAND memory rated to last before it needs replacement?

The drive carries a 2,000,000-hour MTBF rating and a 10-year limited warranty, indicating the 32-layer 3D V-NAND is built for long-term endurance under typical workloads.

Which limit appears first when the drive runs sustained heavy writes — thermal throttle or write-speed ceiling?

Sequential write tops out at 520 MB/s, and the controller will hit that throughput ceiling before the 0 °C to 70 °C operating range becomes a constraint.

What are the actual power draw and heat numbers when the SSD runs all day in a laptop?

Active power measures 4.50 W and idle power 0.05 W, so a full day of operation stays well within the thermal envelope of a standard 2.5-inch bay.

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