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Rectangular 2.5 inch SATA SSD with black metal casing and label

SAMSUNG

SAMSUNG 860 Pro MZ-76P4T0BW 4TB 2.5 SATA internal SSD

SKU CH-QQZ1-WTY3K MPN MZ-76P4T0BW

A 2.5 SATA internal SSD with 4TB capacity, 3D NAND, up to 560 MBps read and 530 MBps write speeds, and AES 256-bit encryption

  • Device TypeInternal Solid State Drive (SSD)
  • Used ForConsumer
  • Form Factor2.5"
  • Capacity4TB
  • Memory Components3D NAND
  • InterfaceSATA III

Options 4TB 860 PRO

  • High capacity for large media libraries with 4TB storage
  • Fast sequential reads up to 560 MBps for quick file access
  • Strong random write performance up to 90,000 IOPS at QD32
  • Hardware AES 256-bit encryption protects sensitive data
  • High endurance rated at 1.5 million hours MTBF

4TB SATA III internal SSD for consumer workloads

The Samsung 860 Pro MZ-76P4T0BW is a 2.5 inch internal solid state drive built for consumer desktops and laptops. It uses 3D NAND flash memory and a Samsung MJX controller to deliver up to 560 MBps sequential read and 530 MBps sequential write speeds. The drive suits everyday computing, 4K video editing and 3D data handling.

SATA III interface limits sequential throughput

The SATA III connection caps maximum sequential transfer at the interface ceiling of 6 Gbps. Random read reaches up to 100,000 IOPS at queue depth 32 and 11,000 IOPS at queue depth 1. Random write peaks at 90,000 IOPS at queue depth 32 and 43,000 IOPS at queue depth 1. AES 256-bit hardware encryption complies with TCG Opal and IEEE 1667 standards.

4TB capacity provides headroom for large media

Four terabytes of storage accommodates extensive project files, game libraries and backups with room to spare. The drive is rated for 1.5 million hours MTBF and withstands 1,500G shock at 0.5 ms half sine. Operating temperature ranges from 0°C to 70°C. Compatibility spans Windows, macOS and Linux without extra drivers.

Highlights

  • High capacity for large media libraries with 4TB storage
  • Fast sequential reads up to 560 MBps for quick file access
  • Strong random write performance up to 90,000 IOPS at QD32
  • Hardware AES 256-bit encryption protects sensitive data
  • High endurance rated at 1.5 million hours MTBF

Specifications

BrandSAMSUNG
Series860 Pro Series
ModelMZ-76P4T0BW
Device TypeInternal Solid State Drive (SSD)
Used ForConsumer
Form Factor2.5"
Capacity4TB
Memory Components3D NAND
InterfaceSATA III
ControllerSamsung MJX
Max Sequential ReadUp to 560 MBps
Max Sequential WriteUp to 530 MBps
4KB Random ReadRandom (QD1): Up to 11,000 IOPS
Random (QD32): Up to 100,000 IOPS
4KB Random WriteRandom (QD1): Up to 43,000 IOPS
Random (QD32): Up to 90,000 IOPS
MTBF1,500,000 hours
Operating Temperature0°C ~ +70°C
Max Shock Resistance1,500G & 0.5 ms (Half sine)
Height7.00mm
Width70.00mm
Depth100.00mm
Weight63.50g
Shipping weight0.10 kg
Package size144 × 103 × 25 mm

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Questions about this item

Which capacity should I pick for the 860 Pro SATA SSD?

The 4 TB model shown here is the only capacity listed for this MZ-76P4T0BW part number.

What do the 560 MB/s read and 530 MB/s write figures mean once the drive is installed?

They are the maximum sequential speeds the Samsung MJX controller can sustain over the SATA III link; real-world throughput will be lower depending on workload and system overhead.

What interface does this 2.5-inch drive use and what does it limit in practice?

It uses a SATA III 6 Gb/s connection, which caps sequential transfer at the stated 560 MB/s read and 530 MB/s write.

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