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Rectangular 2.5 inch black metal drive with silver label and gold connector pins

SAMSUNG

SAMSUNG 840 EVO 2.5" 250GB SATA internal SSD MZ-7TE250BW

SKU CH-XH03-J3T41

2.5-inch SATA internal SSD with 250 GB capacity, 540 MB/s read, 520 MB/s write, and AES 256-bit encryption

  • Total capacity250 GB
  • Interface typeSATA 6Gb/s
  • Form factor2.5 in (6.35 cm)
  • Product typeInternal Solid State Drive (SSD)
  • Intended useConsumer
  • NAND flash type1x nm Samsung Toggle DDR 2.0 3-Bit MLC NAND Flash Memory (40
  • Fast boot and load times with 540MB/s sequential read
  • Responsive multitasking from 97,000 IOPS random read
  • Secure data storage via AES 256-bit encryption
  • Low power draw of 0.14W idle and 0.24W active
  • Reliable endurance rated at 1,500,000 hours MTBF

250GB SATA SSD for consumer workloads

The Samsung 840 EVO MZ-7TE250BW is a 2.5-inch internal solid-state drive offering 250GB of capacity. It uses a SATA 6Gb/s interface and Samsung 3-core MEX controller with 512MB DRAM cache. Sequential reads reach 540MB/s and writes 520MB/s, while random 4KB performance hits 97,000 read and 66,000 write IOPS. It targets everyday computing, boot drives and general storage upgrades.

Verify SATA port, 2.5-inch bay and OS support

Confirm your motherboard or laptop provides a free SATA 6Gb/s port and a standard 2.5-inch drive bay with 6.8mm height clearance. The drive measures 69.85mm wide by 100.08mm deep and weighs 0.12 lb. Operating temperature range is 0°C to 70°C, while storage spans -55°C to 95°C at 5% to 95% non-condensing humidity. Ensure your operating system supports TRIM, S.M.A.R.T. monitoring and AES 256-bit encryption for full feature use.

Samsung Magician software enables monitoring

The bundled Samsung Magician utility adds drive health monitoring, firmware updates and performance benchmarking. It also manages RAPID mode caching where supported, configures the AES 256-bit full-disk encryption and provides secure-erase functions. Garbage collection and TRIM support run automatically in the background to sustain write speeds. An LED indicator header allows optional front-panel activity light connection.

How it compares

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

Price $52.99
Cheaper than about 90% 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 $211.96 per TB
Pricier than about 63% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameSAMSUNG
Product line840 EVO
Model nameMZ-7TE250BW
Total capacity250 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
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 type1x nm Samsung Toggle DDR 2.0 3-Bit MLC NAND Flash Memory (400 Mbit/s)
Controller chipSamsung 3-core MEX Controller
Cache memory512 MB DRAM
Ports & slots
Interface typeSATA 6Gb/s
Power
Idle power draw0.14 W
Active power draw0.24 W
Size & build
Form factor2.5 in (6.35 cm)
Overall height6.8 mm
Overall width69.85 mm
Product depth100.08 mm
Product weight0.12 lb (0.05 kg)
Environment & compliance
Operating temperature range0 °C to 70 °C
Storage temperature range-55 °C to 95 °C
Operating humidity range5% to 95%, non-condensing
More details
Mean time between failures1,500,000 h

Questions about this item

Will this drive fit in a laptop bay that accepts 2.5-inch SATA drives?

The drive uses the standard 2.5-inch form factor with a 6.8 mm height and connects via SATA 6Gb/s, so it fits any bay designed for 2.5-inch SATA storage.

Does the 250 GB capacity and 512 MB DRAM cache help with everyday multitasking?

The 250 GB capacity and 512 MB DRAM cache support sustained sequential reads up to 540 MB/s and writes up to 520 MB/s, plus random 4 KB performance of 97,000 read IOPS and 66,000 write IOPS for responsive multitasking.

Is hardware encryption available without extra software?

The drive includes AES 256-bit full-disk encryption built into the controller, so data is encrypted at rest without requiring additional software.

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