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Rectangular 2.5 inch SSD with black metal casing and silver label

SAMSUNG

SAMSUNG 840 EVO MZ-7TE500BW 2.5" 500GB SATA internal SSD

SKU CH-QDT9-G0EGK

A 2.5-inch 500GB SATA internal SSD delivering 540MB/s read and 520MB/s write speeds with 98,000 random read IOPS

  • Total capacity500 GB
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • Product typeInternal Solid State Drive (SSD)
  • Intended useConsumer
  • NAND flash typeTLC
  • Sustained sequential read of 540MB/s speeds up everyday tasks
  • Sustained sequential write of 520MBps handles large files quickly
  • 4KB random read up to 98,000 IOPS makes small-file access snappy
  • 4KB random write up to 90,000 IOPS keeps responsiveness high under load
  • MTBF of 1,500,000 hours signals long-term reliability

500GB SATA III Consumer SSD

The Samsung 840 EVO MZ-7TE500BW is a 2.5-inch internal solid state drive built for consumer workloads. It connects through a SATA III interface and uses TLC memory components. The drive is rated for sustained sequential read speeds of 540MB/s and write speeds of 520MB/s.

TurboWrite Acceleration Feature

The controller employs TurboWrite technology to maintain high acceleration during everyday tasks. This approach uses a portion of the TLC array as a high-speed buffer to absorb burst writes. The Samsung 3-core MEX controller manages the process to deliver up to 98,000 random read IOPS and 90,000 random write IOPS.

Standard 2.5-Inch Installation

The drive fits any standard 2.5-inch bay with a 6.8mm height profile and draws 0.14W idle or 0.24W active. Alignment of the SATA data and power connectors is the only mechanical step required. Operating limits are 0°C to 70°C with humidity up to 95% RH.

How it compares

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

Price $118.99
Cheaper than about 67% of the 1,994 comparable items (median $180.49).
Total capacity 500 GB
Lower than about 70% of the 1,368 comparable items (median 1 TB).
Price per TB $237.98 per TB
Pricier than about 68% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameSAMSUNG
Product line840 EVO
Model nameMZ-7TE500BW
Total capacity500 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 98,000 IOPS
Random write (4K)Up to 90,000 IOPS
Storage
NAND flash typeTLC
Controller chipSamsung 3-core MEX
Ports & slots
Interface typeSATA III
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
Operating humidity range5% to 95% RH
More details
Mean time between failures1,500,000 h

Questions about this item

How long is the TLC memory in the 840 EVO rated to last before it needs replacing?

The drive carries an MTBF of 1,500,000 hours, which represents the manufacturer's reliability estimate for the TLC NAND and controller combined.

What speed ceiling will I hit first when writing large files continuously?

Sustained sequential write tops out at 520MBps, so that is the limit you will reach during long, large-file transfers.

How much heat and power should I expect when the SSD runs all day in a laptop?

Active power draw is 0.24W and the operating range is 0°C to 70°C, so heat output stays low even under continuous load.

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