Samsung 850 PRO 256 GB 2.5″ Serial ATA III 3D MLC
Released: Not on record
$271.95
MSRP $159.99
▲ +70%
since release
from
US · Amazon.com
Updated 2 months ago
Last updated Sep 3, 2026 03:13 UTC
Ratings & price sourced from Amazon.com (United States).
- Capacity
- 256 GB
- Form factor
- 2.5"
- Read speed
- 550 MB/s
- Write speed
- 520 MB/s
- Interface
- Serial ATA III
- NAND type
- 3D MLC
- Transfer rate
- 6 Gbit/s
- Depth
- 6.8 mm
- Width
- 100 mm
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Shopping actions
Overview
The Samsung 850 PRO 256 GB 2.5″ Serial ATA III 3D MLC features a 256 GB SSD. Full verified specifications are listed below.
Technical Specifications
Storage
6 SPECS
Read speed
550 MB/s
NAND type
3D MLC
Write speed
520 MB/s
Capacity
256 GB
Form factor
2.5"
Transfer rate
6 Gbit/s
Ports & Connectivity
1 SPEC
Interface
Serial ATA III
Physical
5 SPECS
Depth
6.8 mm
Width
100 mm
Height
69.85 mm
Weight
66 g
Colour
Black
Logistics & Packaging
4 SPECS
Package depth
150 mm
Package width
150 mm
Package height
20 mm
Package weight
130 g
General
19 SPECS
Internal
Yes
TBW rating
150
TRIM support
Yes
Operating shock resistance
1500
Operating voltage
5 V
Random read (4KB)
10000
Random write (4KB)
36000
S.M.A.R.T. support
Yes
Non-operating shock resistance
1500
Security algorithms
256-bit AES
Non-operating vibration tolerance
20
Power draw (idle)
0.4
Power consumption (sleep)
0.002 W
Drive cache
512 MB
Storage temperature
-40 - 85
Operating temperature
0 - 70
Storage relative humidity (H-H)
5 - 95
MTBF
2000000
Operating humidity
5 - 95
Market Value History
Sources
Product lifecycle
In production
Still listed as on-market by the manufacturer — actively sold and supported.
Lifecycle status is derived from catalog data and is indicative, not a manufacturer support guarantee.