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A flat black rectangular 2.5 inch SSD with label and gold connectors

SAMSUNG

SAMSUNG 840 EVO MZ-7TE250KW 2.5" 250GB SATA internal SSD

SKU CH-5732-3VH7F MPN MZ-7TE250KW

2.5-inch 250GB SATA internal SSD delivering 540MB/s sequential read, 520MB/s sequential write, 97,000 IOPS random read, 66,000 IOPS random write, and 1,500,000-hour MTBF

  • Total capacity250 GB
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • Product typeInternal Solid State Drive (SSD)
  • NAND flash typeTLC
  • Controller chipSamsung MEX
  • Faster boot and load times with 540MB/s sequential read
  • Responsive multitasking from 97000 IOPS random read
  • Quick file saves backed by 520MB/s sequential write
  • Low power draw of .045W at idle extends laptop battery
  • Slim 7.11mm profile fits tight 2.5inch bays

250GB SATA III TLC drive

The Samsung 840 EVO MZ-7TE250KW is a 2.5-inch internal solid-state drive with a 250GB capacity. It uses TLC memory components and a Samsung MEX controller over a SATA III interface. This drive suits users upgrading a laptop or desktop that accepts a standard 2.5-inch SATA device.

Build integration and system impact

The 7.11mm height fits most 2.5-inch drive bays and the package includes a bracket, screws, cables and a spacer for flexible mounting. A SATA data connection and a SATA power connection are required from the host system. Low idle power draw of 0.045W leaves more of the system power budget for other components.

Capacity headroom and limits

250GB provides space for an operating system, core applications and a working set of files. Sustained sequential reads of 540MB/s and writes of 520MBps, with 4KB random reads up to 97,000 IOPS and writes up to 66,000 IOPS, keep everyday workloads responsive. Heavy media libraries or large game collections will exceed the available space.

How it compares

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

Price $140.99
Cheaper than about 61% of the 1,994 comparable items (median $180.49).
Total capacity 250 GB
Lower than about 84% of the 1,368 comparable items (median 1 TB).
Price per TB $563.96 per TB
Pricier than about 89% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameSAMSUNG
Product line840 EVO
Model nameMZ-7TE250KW
Total capacity250 GB
Product typeInternal Solid State Drive (SSD)
Performance
Sustained sequential read rate540 MB/s
Sustained sequential write rate520 MB/s
Random read (4K)Up to 97,000 IOPS
Random write (4K)Up to 66,000 IOPS
Storage
NAND flash typeTLC
Controller chipSamsung MEX
Ports & slots
Interface typeSATA III
Power
Idle power draw0.045 W
Size & build
Form factor2.5 in (6.35 cm)
Overall height7.11 mm
Overall width69.85 mm
Product depth100.08 mm
Product weight0.12 lb (0.05 kg)
Shipping weight0.91 kg
Package size152 × 150 × 41 mm
In the box
Included itemsIncludes Bracket, Screws, SATA Cable, Power Cable, USB to SATA Cable, Drive Spacer
Environment & compliance
Operating temperature range0 °C to 60 °C
Operating humidity range5% to 95% RH
More details
Mean time between failures1,500,000 h

Questions about this item

Will the 520MBps sequential write speed drop when the 250GB TLC drive fills up?

Sustained sequential write is rated at 520MBps; TLC NAND can slow once the SLC cache is exhausted, so performance may decrease as capacity is used

How much heat and power does the 840 EVO produce during all-day operation?

Idle power is 0.045W and the drive operates from 0°C to 60°C, so heat output is minimal and cooling requirements are low

Does the MZ-7TE250KW come with a SATA cable and bracket for a desktop install?

The package includes a bracket, screws, SATA cable, power cable, USB-to-SATA cable and drive spacer for direct desktop installation

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