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Thin green circuit board with gold edge connector and black label, mSATA form factor

SAMSUNG

SAMSUNG 840 EVO MZ-MTE250BW 250GB mSATA internal SSD

SKU CH-09J2-VZZZ3 MPN MZ-MTE250BW

A 250GB mSATA internal SSD with SATA III interface delivering up to 540MB/s read and 520MB/s write speeds for consumer systems

  • Total capacity250 GB
  • Sequential read speedUp to 540 MB/s
  • Sequential write speedUp to 520 MB/s
  • Interface typeSATA III
  • Form factormSATA
  • Product typeInternal Solid State Drive (SSD)

Capacity 250GB

  • Fast boot and load times with up to 540MB/s sequential read
  • Responsive multitasking backed by up to 97,000 IOPS random read
  • Reliable long-term storage rated at 1,500,000 hours MTBF
  • Low power draw extends laptop battery life at 0.055W idle
  • Compact mSATA form factor fits slim ultrabooks and embedded systems

250GB mSATA drive for consumer systems

This Samsung 840 EVO MZ-MTE250BW provides 250GB of TLC storage over a SATA III interface. It targets consumer laptops or desktops with an mSATA slot. The Samsung MEX controller manages read and write operations. Low idle power of 0.055W helps battery life in portable devices.

Capacity and headroom for everyday workloads

Sequential speeds reach up to 540MB/s read and 520MB/s write. Random performance delivers up to 97,000 IOPS read and 66,000 IOPS write. The 250GB capacity suits operating systems, applications and moderate media libraries. Heavy write workloads will exhaust the TLC endurance sooner than MLC alternatives.

Slim build fits tight mSATA slots

The drive measures 3.8mm high, 30.0mm wide and 50.8mm deep, weighing 9g. This thin profile suits ultrabooks and small-form-factor boards with limited clearance. SATA III connector placement follows the mSATA standard for direct board insertion. MTBF of 1,500,000 hours and a 0°C to 70°C operating range support long service life.

How it compares

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

Price $119.99
Cheaper than about 66% 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).
Sequential read speed Up to 540 MB/s
Lower than about 83% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $479.96 per TB
Pricier than about 86% of the 1,362 comparable items (median $165.50 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSAMSUNG
Product line840 EVO
Model nameMZ-MTE250BW
Total capacity250 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 540 MB/s
Sequential write speedUp to 520 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 Controller
Ports & slots
Interface typeSATA III
Power
Idle power draw0.055 W
Active power draw0.145 W
Size & build
Form factormSATA
Overall height3.8 mm
Overall width30.0 mm
Product depth50.8 mm
Product weight9g
Shipping weight0.06 kg
Package size144 × 97 × 22 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Operating humidity range5% to 95%
More details
Mean time between failures1,500,000 h

Other versions of this model

3 more in the same range

Questions about this item

Will the 3.8mm mSATA form factor fit my older laptop that only has a full-size mSATA slot?

Yes. The drive follows the standard mSATA dimensions of 30.0mm width and 50.8mm depth with a 3.8mm height, so it fits any compliant full-size mSATA socket.

How can I verify the Samsung MEX controller is delivering the rated 540MB/s read and 520MB/s write speeds after installation?

Run a sequential benchmark such as CrystalDiskMark or AS SSD; fresh-out-of-box results should approach 540MB/s read and 520MB/s write on a SATA III port.

Does the MZ-MTE250BW retail package include a mounting screw or adapter bracket, or must I source them separately?

The drive ships as a bare 9g mSATA module; mounting screws and any half-to-full size adapters are not included and must be obtained separately.

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