Samsung · SSD

Samsung 850 PRO

128 GB · SATA · 550 MB/s read

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Capacity 128 GB
Type SATA
Sequential read 550 MB/s
Sequential write 470 MB/s

Samsung 850 PRO is an internal SSD with 128 GB of space, reading at up to 550 MB/s. It came out in 2025.

Released: 2025-06-16

Specifications

Key specs

Capacity: 128 GB
Type: SATA
Sequential read: 550 MB/s
Sequential write: 470 MB/s
Released: 2025-06-16
Part number: MZ-7KE128B/AM

Features

SSD capacity: 128 GB
SSD form factor: 2.5"
Interface: Serial ATA III
Memory type: 3D MLC
Data transfer rate: 6 Gbit/s
Read speed: 550 MB/s
Write speed: 470 MB/s
Random read (4KB): 100000 IOPS
Random write (4KB): 90000 IOPS
S.M.A.R.T. support: Yes
TRIM support: Yes
Mean time between failures (MTBF): 2000000 h
TBW rating: 150

Power

Power consumption (read): 3.3 W
Power consumption (idle): 0.4 W

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Weight & dimensions

Width: 100 mm
Depth: 6.8 mm
Height: 69.8 mm

Operational conditions

Operating temperature (T-T): 0 - 70 °C
Storage temperature (T-T): -40 - 85 °C
Operating relative humidity (H-H): 5 - 95%
Storage relative humidity (H-H): 5 - 95%
Non-operating vibration: 20 G
Operating shock: 1500 G
Non-operating shock: 1500 G

Other features

Product colour: Black
Internal: Yes
Operating temperature (T-T): 32 - 158 °F

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About this product

The Samsung 850 PRO SSD redefines storage with the world’s first drive based on 3D VNAND flash, offering exceptional read/write performance, reliability and power management efficiency. The 850 Pro delivers up to 2x the speed, density and endurance of conventional flash. Ultimate Read/Write Performance Samsung’s 850 PRO, the world’s first 32 layer 3D V-NAND, provides up to 100K IOPS Random Read Speed and 520 MB/s Sequential Write speed and the option of enabling Samsung RAPID mode, which can kick up to even higher speeds. With up to 2x the speed and density of conventional 2D flash, you get the most speed available for gaming and real world performance Efficient Power Management Featuring a 4th generation MEX Controller, the 850 PRO offers one of the most energy-efficient drives on the market, using up to 50% less power than traditional hard drives. It has the lowest active write power consumption and supports device sleep mode, which lowers power consumption to under 2mW.

850 PRO vs similar internal SSDs

	Samsung 850 PRO	Intenso 2.5" SSD SATA III Top Double Pack, internal SSD	Samsung MZ-7PC128N 128 GB SSD	Integral 128 GB M.2 2280 SATA III SSD (2020 MODEL) for APACER AP128GAST280X-1 and INSSD128GM280
Capacity	128 GB	128 GB	128 GB	128 GB
Type	SATA	SATA	SATA	SATA
Sequential read	550 MB/s	550 MB/s	520 MB/s	480 MB/s
Sequential write	470 MB/s	500 MB/s	400 MB/s	400 MB/s
Released	2025	2025	2026	2026