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A rectangular 2.5 inch SATA SSD with a black metal casing and a label showing 870 EVO 4.0 TB

SAMSUNG

SAMSUNG 870 EVO Series 2.5" 4TB SATA V-NAND 4.0 TB MZ-77E4T0BW internal SSD

SKU CH-5AW6-FMBTS

A 2.5 inch SATA internal solid-state drive with 4.0 TB capacity and sequential speeds up to 560 MBps read and 530 MBps write

  • Total capacity4 TB
  • 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 typeComputer Accessories

Capacity 4TB

  • Up to 560 MB/s sequential read for fast data access
  • Up to 530 MB/s sequential write for quick file saving
  • 0 TB capacity stores large media libraries
  • 5" form factor fits standard laptop and desktop bays
  • SATA III interface ensures broad system compatibility

Capacity and audience

The Samsung 870 EVO Series provides 4TB of storage in a 2.5 inch form factor. It uses a SATA III interface and V-NAND technology. The drive suits desktop and laptop users who need large capacity for applications, media libraries or backups.

Build and connectivity

The drive measures 4.000 mm in height and 5.800 mm in width with a weight of 0.1984 kg. Its standard 2.5 inch dimensions fit typical drive bays and caddies. The SATA III connector ensures broad compatibility with existing motherboards and external enclosures.

Included extras

The package includes the internal solid state drive itself. Samsung Magician software is available for drive management, firmware updates and health monitoring. These tools help maintain performance and extend the usable life of the 4TB volume.

How it compares

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

Price $768.99
Pricier than about 86% of the 1,994 comparable items (median $180.49).
Total capacity 4 TB
Higher than about 90% 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 $192.25 per TB
Pricier than about 58% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameSAMSUNG
Product line870 EVO Series
Model nameMZ-77E4T0B/EU
Part numberMZ-77E4T0BW
Total capacity4 TB
Product typeComputer Accessories
Intended useConsumer
Performance
Sequential read speedUp to 560 MB/s
Sequential write speedUp to 530 MB/s
Ports & slots
Interface typeSATA III
Size & build
Form factor2.5 in (6.35 cm)

Other versions of this model

5 more in the same range

Questions about this item

What does the SATA III interface cap the sequential speeds at?

The SATA III link limits this drive to 560 MB/s read and 530 MB/s write in practice.

What are the physical dimensions and weight for the 2.5 inch form factor?

It measures 5.800 cm wide by 4.000 cm high and weighs 0.1984 kg.

How is the 870 EVO installed in a laptop or desktop, and what step is often missed?

Connect the SATA data and power cables, secure the drive with screws, then initialise and format the new volume in the operating system.

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