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Rectangular 2.5 inch SSD with black label and silver metal casing

SAMSUNG

SAMSUNG 840 EVO MZ-7TE500BW 500GB internal SSD

SKU CH-1KCT-8RHRF MPN MZ-7TE500BW

A 2.5" 500GB SATA solid-state drive delivering up to 540 MBps sequential read and 520 MBps write speeds with a 1.5 million-hour MTBF

  • Total capacity500 GB
  • Sequential read speedUp to 540 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)

Capacity 500GB

  • Sequential reads up to 540 MBps for fast boot times
  • Sequential writes up to 520 MBps for quick file saves
  • Random reads up to 98000 IOPS for responsive applications
  • Random writes up to 90000 IOPS for smooth multitasking
  • Low idle power draw of .14W extends laptop battery life

500GB SATA III consumer SSD

The Samsung 840 EVO MZ-7TE500BW is a 2.5 inch internal solid state drive built for everyday consumer workloads. It offers 500GB of TLC flash memory managed by a Samsung 3-core MEX controller. The drive connects through a standard SATA III interface for broad system compatibility.

Low power draw and wide temperature range

Idle power consumption is rated at 0.14W and active use at 0.24W, keeping heat output minimal in normal operation. The drive is specified to operate from 0°C to 70°C with humidity tolerance from 5% to 95% RH. No moving parts mean silent running under any load.

6.8mm z-height fits standard 2.5 inch bays

The drive measures 6.8mm high, 69.85mm wide and 100.08mm deep, weighing 0.12 lbs, matching the typical 2.5 inch form factor for laptop or desktop installation. Standard SATA data and power connectors allow direct connection to existing cables. MTBF is rated at 1,500,000 hours for long-term reliability.

How it compares

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

Price $191.99
Typical for this category: the median of 1,994 items is $180.49.
Total capacity 500 GB
Lower than about 70% 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 $383.98 per TB
Pricier than about 82% 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-7TE500BW
Total capacity500 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 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)
Shipping weight0.13 kg
Package size145 × 141 × 20 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Operating humidity range5% to 95% RH
More details
Mean time between failures1,500,000 h

Other versions of this model

3 more in the same range

Questions about this item

How is the 2.5" SATA III drive installed, and what step is often missed?

Connect the SATA data cable to the motherboard and the SATA power connector from the PSU, then secure the drive in a 2.5" bay or bracket. The step often missed is enabling AHCI mode in the BIOS before installing the operating system.

What maintenance or replacement will the TLC NAND flash need later?

The TLC memory has a finite write endurance. Under heavy workloads the drive will eventually reach its program/erase cycle limit and require replacement. Samsung Magician software can monitor remaining life and trigger a secure erase if performance degrades.

What limit appears first during sustained writes on the 500GB model?

The TurboWrite SLC buffer fills after a few dozen gigabytes of continuous writes, after which sequential write speed drops from the peak 520 MBps toward the native TLC rate. Thermal throttling may also engage if the drive exceeds 70°C.

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