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Rectangular 2.5 inch internal SSD with matte metal casing

SAMSUNG

SAMSUNG MZ-76P256BW 860 Pro 256GB 2.5" SATA internal SSD

SKU CH-EW48-SZA25 MPN MZ-76P256BW

A 2.5-inch SATA internal SSD with 256GB of V-NAND 2-bit MLC storage delivering up to 560 MBps sequential read and 530 MBps write speeds

  • Total capacity256 GB
  • Sequential read speedUp to 560 MB/s
  • Sequential write speedUp to 530 MB/s
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • Product typeInternal Solid State Drive (SSD)

Model 256GB 860 PRO

  • Fast boot and load times with sequential reads up to 560 MBps
  • Quick file saves and edits with sequential writes up to 530 MBps
  • Hardware AES 256-bit encryption keeps data secure without software overhead
  • 5 million hour MTBF rating signals long-term drive endurance
  • Low 2.0 W average power draw extends laptop battery life

860 Pro 256GB SATA SSD

The Samsung 860 Pro 256GB is a 2.5 inch internal solid state drive built for consumer workloads. It uses V-NAND 2-bit MLC memory and a Samsung MJX controller to deliver consistent performance for everyday computing and professional tasks such as 4K video editing and 3D data handling. The drive includes AES 256-bit hardware encryption compliant with TCG Opal and IEEE 1667 standards.

SATA III interface limits

The SATA III interface caps sequential throughput at 6 Gb/s, which bounds the drive at up to 560 MBps read and 530 MBps write. Random read reaches up to 11,000 IOPS at QD1 and 100,000 IOPS at QD32, while random write reaches up to 43,000 IOPS at QD1 and 90,000 IOPS at QD32. These figures represent the practical ceiling of the SATA bus for this class of drive.

256GB capacity and headroom

The 256GB capacity suits operating systems, applications and active project files with room for over-provisioning managed by the auto garbage collection algorithm. Average active power draw is 2.0W with a 3.3W burst maximum, and the drive operates from 0°C to 70°C. MTBF is rated at 1,500,000 hours, indicating long-term reliability for sustained workloads.

How it compares

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

Price $54.99
Cheaper than about 89% of the 1,994 comparable items (median $180.49).
Total capacity 256 GB
Lower than about 80% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 560 MB/s
Lower than about 60% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $214.80 per TB
Pricier than about 63% 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 line860 Pro Series
Model nameMZ-76P256BW
Total capacity256 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 560 MB/s
Sequential write speedUp to 530 MB/s
Random read (4K)Random (QD1): Up to 11,000 IOPS
Random (QD32): Up to 100,000 IOPS
Random write (4K)Random (QD1): Up to 43,000 IOPS
Random (QD32): Up to 90,000 IOPS
Storage
NAND flash typeV-NAND 2-bit MLC
Controller chipSamsung MJX Controller
Ports & slots
Interface typeSATA III
Power
Active power drawAverage: 2.0 W
Maximum: 3.3 W (Burst mode)
Size & build
Form factor2.5 in (6.35 cm)
Overall height7 mm
Overall width69.85 mm
Product depth100 mm
Product weight63.5g
Shipping weight0.09 kg
Package size145 × 97 × 20 mm
Environment & compliance
Operating temperature range0 °C to 70 °C
Max shock tolerance1,500G & 0.5 ms (Half sine)
More details
Mean time between failures1,500,000 h

Other versions of this model

5 more in the same range

Questions about this item

Will this 2.5-inch drive fit my laptop’s 7 mm bay?

The drive is 7.00 mm high, matching the standard slim 2.5-inch bay used in most modern laptops

Does the box include a SATA cable or mounting bracket for a desktop install?

The package contains only the SSD and a user manual; cables, screws and brackets are not included

Can I use the hardware AES 256-bit encryption with Windows BitLocker?

Yes, the drive supports TCG Opal and IEEE 1667, so BitLocker can offload encryption to the controller

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