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Samsung SM863a 960GB 2.5 inch SATA SSD with black metal casing

SAMSUNG

SAMSUNG SM863a 960GB SATA 2.5" internal SSD

SKU CH-C3KG-MDADX

A 960 GB 2.5-inch SATA internal SSD delivering up to 510 MBps read and 485 MBps write speeds with 95,000 IOPS random read performance

  • Sequential read speedUp to 510 MB/s
  • Sequential write speedUp to 485 MB/s
  • Product typeInternal Solid State Drive (SSD)
  • Random read (4K)Up to 95,000 IOPS
  • Random write (4K)Up to 25,000 IOPS
  • Mean time between failures2,000,000 h
  • Fast boot and load times with up to 510 MBps sequential read
  • Responsive multitasking from 95,000 IOPS random read
  • Quick file saves at up to 485 MBps sequential write
  • Low 3.45W active draw keeps systems cool
  • Long 2,000,000-hour MTBF for dependable operation

Enterprise SATA SSD for Servers

The Samsung SM863a is a 960GB 2.5-inch internal solid-state drive built for read-intensive enterprise workloads. It connects through a standard SATA 6Gbps interface and fits any desktop, laptop or server bay that accepts a 2.5-inch SATA drive.

SATA 6Gbps Interface Limits

Sequential throughput reaches up to 510 MBps read and 485 MBps write, while random performance delivers up to 95,000 IOPS read and 25,000 IOPS write. The SATA bus caps maximum bandwidth, so sustained transfers cannot exceed the interface ceiling.

Metal Case and Low Power Draw

A metal enclosure protects the NAND and controller in vibration-prone chassis, and the drive draws 3.45W active power for cooler operation in dense arrays. The 2,000,000-hour MTBF rating reflects the endurance target for continuous server deployment.

How it compares

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

Price $184.99
Typical for this category: the median of 1,994 items is $180.49.
Sequential read speed Up to 510 MB/s
Lower than about 90% of the 1,180 comparable items (median 2,400 MB/s).
Sequential write speed Up to 485 MB/s
Lower than about 83% of the 1,173 comparable items (median 1,700 MB/s).

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Specifications

Product
Brand nameSAMSUNG
Product lineSM863a
Part numberMZ-7KM960N
Product typeInternal Solid State Drive (SSD)
Performance
Sequential read speedUp to 510 MB/s
Sequential write speedUp to 485 MB/s
Random read (4K)Up to 95,000 IOPS
Random write (4K)Up to 25,000 IOPS
Power
Active power draw3.45 W
More details
Mean time between failures2,000,000 h

Questions about this item

Which capacity of the SM863a should I pick?

The drive is supplied in a 960 GB capacity; choose it when you need near-terabyte storage in a 2.5 inch SATA form factor.

What do the 510 MBps read and 485 MBps write figures mean once the drive is installed?

They are the maximum sequential speeds the controller can deliver, so large file copies and boot sequences will run at up to those rates.

What does the SATA 6 Gbps interface cap in practice?

The SATA link sets the upper bandwidth boundary, and the SM863a reaches 510 MBps read and 485 MBps write within that limit.

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