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Rectangular black metal 2.5 inch SATA SSD with silver label

SAMSUNG

SAMSUNG 870 EVO 1TB 2.5" SATA III Internal SSD MZ-77E1T0B/AM

SKU CH-G6JS-BM4FD MPN MZ-77E1T0B/AM

A 1 TB 2.5" SATA III internal SSD with V-NAND, 1 GB cache and AES 256 encryption delivering up to 560 MB/s read and 530 MB/s write

  • Total capacity1 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 typeInternal Solid State Drive (SSD)

Capacity 1TB

  • Up to 560 MB/s sequential read for fast boot and load times
  • Up to 530 MB/s sequential write for quick file saves and transfers
  • 600 TBW endurance rating supports heavy workloads over the drive life
  • AES 256-bit hardware encryption protects data without software overhead
  • 1 GB DRAM cache and V-NAND maintain consistent performance during sustained use

Samsung 870 EVO 1TB SATA SSD

The Samsung 870 EVO is a 1TB 2.5-inch internal solid-state drive that uses V-NAND memory and a SATA III interface. It is built for consumers who want a straightforward storage upgrade for a desktop PC or laptop without changing platform architecture. A 1GB cache and AES 256-bit hardware encryption with TCG Opal 2.0 and IEEE 1667 support are included.

Fits standard 2.5-inch SATA bays

The drive slides into any standard 2.5-inch SATA bay and connects with the existing SATA data and power cables, so no adapter brackets or new cables are required. Its low idle draw of 30 mW and average active consumption of 2.5 W leave more headroom for other components in a laptop power budget. Compatibility testing covers major chipsets, motherboards, NAS units and video recording devices, reducing integration risk.

Sustained write performance

The 870 EVO maximises the SATA interface limit with sequential speeds up to 560 MB/s read and 530 MB/s write, and a larger variable buffer helps maintain those rates during long transfers. Endurance is rated at 600 TBW with an MTBF of 1,500,000 hours, indicating consistent behaviour under heavy workloads such as 8K video processing. Active power peaks at 4.0 W and shock resistance is rated at 1500 G for physical durability.

How it compares

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

Price $314.99
Pricier than about 70% of the 1,994 comparable items (median $180.49).
Total capacity 1 TB
Typical for this category: the median of 1,368 items is 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 $314.99 per TB
Pricier than about 78% 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-77E1T0B/AM
Total capacity1 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 560 MB/s
Sequential write speedUp to 530 MB/s
Storage
NAND flash typeV-NAND
Cache memory1 GB
Data encryptionClass 0 (AES 256) TCG/Opal v2.0, MS eDrive (IEEE1667)
Write endurance600 TB
Connectivity
Connection protocolSATA
Ports & slots
Interface typeSATA III
Power
Idle power drawMax. 30 mW
Active power drawAverage: 2.5 W
Maximum: 4.0 W
Size & build
Form factor2.5 in (6.35 cm)
Overall height7 mm
Overall width69.85 mm
Product depth100 mm
Product weight86.18g
Shipping weight0.09 kg
Package size146 × 98 × 24 mm
Environment & compliance
Max shock tolerance1500G
More details
Mean time between failures1,500,000 h

Other versions of this model

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Questions about this item

What is the endurance limit of the 1TB 870 EVO before the warranty expires?

The drive is rated for 600 terabytes written, which is the endurance figure Samsung uses for the five-year limited warranty period.

How much power does the 870 EVO draw when it is serving data continuously?

Active power averages 2.5 watts and peaks at 4.0 watts, while idle consumption is a maximum of 30 milliwatts.

Which host connector must the system provide for this 2.5 inch SATA SSD to operate?

A standard 2.5-inch SATA data and power connector running the SATA protocol is required.

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