Samsung 850 Pro 256GB SSD

Name: Samsung 850 Pro 256GB
Brand: Samsung
SKU: MZ-7KE256BW
Rating: 4.7 (174 reviews)

Samsung 850 Pro 256GB 2.5" SATA MZ-7KE256BW

★★★★★

(174 reviews)

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In Stock	In Stock	$199.99 +Free shipping	+Free	Buy

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Options (3)

	1TB SSD Only $444.45
	2TB SSD Only $844.45
	512 GB SSD Only $360.10

Features sequential read and write performance up to 550 megabytes per second (MB/s) and 520MB/s respectively, and random read and write input/output operations-per-second (IOPS) up to 100,000 and 90,000 each.
Class-leading performance -- enables you to boot up your computer in as little as 15 seconds
Energy efficient - Features Device Sleep mode for Ultranotebooks and improves battery life by up to 45 minutes vs. standard hard drives
Worry-free data security with AES 256-bit encryption, Microsoft Bitlocker and TCG / Opal 2.0 support
100-percent genuine Samsung components from the #1 memory manufacturer in the world
5th-generation 3-Core Samsung MEX Controller ensures sustained performance under the most punishing conditions
Enhanced endurance and reliability - Backed by an industry-leading 10-year limited warranty and 150TBW rating
Perfect for hardcore gamers, mobile users or content creators (like professional animators, video editors, photographers and game developers) who crave the ultimate in performance and productivity

Specifications Overview

Model	MZ-7KE256BW
Release Date	July 2014 * First availability for purchase, it may not correspond to the actual market launch date.
Series	850 PRO
Capacity	256 GB
Interface	SATA 6 Gb/s
NVME	No
Form Factor	2.5"
SSD Controller	Samsung MEX
NAND Flash Type	3D NAND
Max Sequential Read	Up to 550 MB/s
Max Sequential Write	Up to 520 MB/s
MTBF	2,000,000 hours

	Old Name	Current Name	Branding	Data Speed	Port
USB 2.0	USB 2.0	USB 2.0	Hi-Speed USB	480 Mbit/s	diverse
USB 3.0	USB 3.1 Gen 1	USB 3.2 Gen 1x1	SuperSpeed USB	5 Gbit/s	diverse
USB 3.1	USB 3.1 Gen 2	USB 3.2 Gen 2x1	SuperSpeed USB 10Gbps	10 Gbit/s	diverse
USB 3.2	USB 3.2 Gen 2x2	USB 4.0 Gen 2x2	USB4 20Gbps	20 Gbit/s	only USB-C
USB4	USB 4.0 Gen 3x2	USB4 1.0	USB4 40Gbps	40 Gbit/s	only USB-C
USB4v2	USB 4.0 Gen 4	USB4 2.0	USB4 80Gbps	80-120 Gbit/s	only USB-C

Pros

Great performance
Ten-year warranty
Samsung MEX controller

Cons

Not cheap

Samsung 850 Pro 256GB Performance comparison with similar Solid State Drives

(Higher is better)

Samsung 850 Pro 256GB Performance

Sequential read/write speed, Random 4K read/write speed

Samsung 850 EVO 500GB (207th)		102%
Corsair Force Series MP300 240GB (207th)		102%
ADATA XPG SX6000 PCIe 128GB (207th)		102%
Samsung 860 PRO 512GB (212th)		101%
Samsung 850 Pro 1TB (212th)		101%
Crucial MX500 2TB 3D NAND (214th)		~
Samsung 840 EVO 500GB (214th)		~
Crucial MX500 1TB (216th)		~
Crucial MX500 500GB 3D NAND CT500MX500SSD1 (216th)		~
Samsung 850 Pro 512GB (216th)		~
Samsung 850 Pro 256GB (216th)		100%
Samsung 860 EVO 500GB (220th)		99%
SAMSUNG 870 QVO 2TB (220th)		99%
Samsung 860 PRO 256GB (220th)		99%
Samsung 850 PRO 2TB (220th)		99%
Samsung 870 QVO 4TB (220th)		99%
ADATA Ultimate Su800 1TB 3D Nand (225th)		98%
Samsung 870 QVO 8TB (225th)		98%
Samsung 850 Pro 128GB (227th)		97%
Samsung 750 EVO 500GB (228th)		96%
Samsung 850 EVO 250GB (228th)		96%

View chart ►

Samsung 850 Pro 256GB Price/Performance Analysis

Sequential read/write speed, Random 4K read/write speed vs Price

Price-to-Performance Analysis:

Fair value: 2.2% below average.
2 products offer better price-to-performance in this analysis.
Best alternative: Intel SSD 545s 256GB offers 50.7% better value priced at $82.

Description

Samsung SSD 850 PRO Series
Usage applications	Client PCs
Capacity	128GB, 256GB, 512GB, 1TB (1,024GB)
Dimensions (L x W x H)	100 x 69.85 x 6.8 (mm)
Interface	SATA 6Gb/s (compatible with SATA 3Gb/s and SATA 1.5Gb/s)
Form factor	2.5 inch
NAND flash memory	Samsung 3-core MEX controller
DRAM cache memory	256MB (128GB) or 512MB (256GB&512GB) or 1GB (1TB) LPDDR2
Performance*	Sequential Read	Max. 550MB/s
	Sequential Write*	Max. 520MB/s (256GB/512GB/1TB) Max. 470MB/s (128GB)
	4KB Random Read (QD1)	Max. 10,000 IOPS
	4KB Random Write (QD1)	Max. 36,000 IOPS
	4KB Random Read (QD32)	Max. 100,000 IOPS
	4KB Random Write (QD32)	Max. 90,000 IOPS
TRIM support	Yes (Requires OS support)
Garbage collection	Yes
S.M.A.R.T.	Yes
Security	AES 256-bit Full Disk Encryption (FDE) TCG/Opal v2.0, Encrypted Drive (IEEE1667)
Weight	Max. 66g (1TB)
Reliability	MTBF : 2 million hours
TBW	150 TBW (Terabytes Written)
Power consumption**	Active Read (Average) : Max. 3.3W (1TB) Active Write (Average) : Max. 3.0W (1TB) Idle : Max. 0.4W Device Sleep : 2mW
Temperature	Operating : 0℃ to 70℃ Non-Operating : -40℃ to 84℃
Humidity	5% to 95%, non-condensing
Vibration	Non-operating : 20~2,000Hz, 20G
Shock	Non-operating : 1500G , duration 0.5msec, 3axis
Warranty	10 years limited

Expert reviews

Samsung does not cease to amaze me with their SSDs as the 850 Pro just kills it in every aspect. The performance is there. The endurance is the best of the class. Heck, even Samsung's feature and software suites beat the competition by a mile. To be honest, there is not a single thing missing in the 850 Pro because regardless of the angle you lo...

AnandTech

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