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Rectangular silver 2.5 inch SSD with label showing Samsung 870 EVO 500GB

SAMSUNG

SAMSUNG 870 EVO 500GB 2.5" SATA III internal SSD MZ-77E500B/AM

SKU CH-REM3-29D93 MPN MZ-77E500B/AM

A 500 GB 2.5-inch SATA III internal SSD with V-NAND, 512 MB DDR4 cache, AES 256 encryption and sequential speeds up to 560 MB/s read and 530 MB/s write

  • Total capacity500 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)

Capacity 500GB

  • Professional speeds up to 560 MB/s read
  • Sustained writes to 530 MB/s with larger buffer
  • Hardware AES 256 encryption protects data
  • 5 million hours MTBF for long life
  • 512 MB DDR4 cache boosts responsiveness

Samsung 870 EVO 500GB SATA SSD

The Samsung 870 EVO is a 500GB internal solid state drive built for consumer desktops and laptops. It uses V-NAND memory and a 512MB low-power DDR4 cache to deliver reliable everyday performance. The 2.5-inch form factor fits standard SATA drive bays. AES 256-bit hardware encryption with TCG Opal 2.0 and IEEE 1667 support protects stored data.

SATA III interface at 560 MBps read

The drive connects through the SATA III interface, reaching up to 560 MBps sequential read and 530 MBps sequential write. These speeds saturate the SATA bus, making the interface the limiting factor for throughput. The 512MB cache helps sustain write performance during large file transfers. Compatibility testing covers major chipsets, motherboards, NAS units and video recorders.

Sustained workloads with 2,400 TBW endurance

Under continuous use the 870 EVO is rated for 2,400 TBW, reflecting its ability to handle heavy write workloads such as 8K video processing. Average active power draw is 2.2W with a 3.5W maximum, while idle consumption drops to 30 mW. MTBF of 1,500,000 hours and 1500G shock resistance support long-term reliability in demanding environments.

How it compares

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

Price $236.99
Pricier than about 61% of the 1,994 comparable items (median $180.49).
Total capacity 500 GB
Lower than about 70% 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 $473.98 per TB
Pricier than about 86% 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-77E500B/AM
Part numberMZ-77E500B/AM
Total capacity500 GB
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 memorySamsung 512 MB Low Power DDR4 SDRAM
Data encryptionClass 0 (AES 256) TCG/Opal v2.0, MS eDrive (IEEE1667)
Connectivity
Connection protocolSATA
Ports & slots
Interface typeSATA III
Power
Idle power drawMax. 30 mW
Active power drawAverage: 2.2 W
Maximum: 3.5 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 does the 560 MBps sequential read speed mean once the drive is installed in my laptop?

It means the drive can sustain read transfers at the SATA III interface ceiling, so large files and boot sequences load at the maximum pace the 6 Gbps link allows.

How does the SATA III interface cap real-world performance?

SATA III tops out at 6 Gbps, so the 560/530 MBps sequential figures are the practical limit; the drive reaches that ceiling and cannot exceed it.

What physical space and connectors does the 2.5-inch 500GB model need to fit?

It fits a standard 2.5-inch drive bay with a SATA data and power connector, using 7 mm z-height and the same mounting holes as a notebook hard drive.

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