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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

  • Total capacity1 TB
  • Sequential read speedUp to 550 MB/s
  • Sequential write speedUp to 520 MB/s
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • Product typeInternal Solid State Drive (SSD)

Model 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.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $369.99
Pricier than about 73% of the 1,994 comparable items (median $180.49).
Total capacity 1 TB
Typical for this category: the median of 1,368 items is 1 TB.
Sequential read speed Up to 550 MB/s
Lower than about 70% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $369.99 per TB
Pricier than about 81% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameSAMSUNG
Product line850 PRO
Model nameMZ-7KE1T0BW
Part numberMZ-7KE1T0BW
Total capacity1 TB
Product typeInternal Solid State Drive (SSD)
Performance
Sequential read speedUp to 550 MB/s
Sequential write speedUp to 520 MB/s
Random read (4K)Up to 100,000 IOPS
Random write (4K)Up to 90,000 IOPS
Storage
NAND flash type3D NAND
Controller chipSamsung MEX Controller
Cache memory64 MB DRAM
Ports & slots
Interface typeSATA III
Power
Idle power draw0.05 W
Active power draw4.5 W
Size & build
Form factor2.5 in (6.35 cm)
Overall height7 mm
Overall width69.85 mm
Product depth100 mm
Product weight0.14 lb (0.06 kg)
Shipping weight0.14 kg
Package size146 × 145 × 18 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Operating humidity range5% to 95% RH
More details
Mean time between failures2,000,000 h

Other versions of this model

5 more in the same range

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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