Samsung 860 Evo & 860 Pro SSD review: the counterattack!

Samsung also refreshes complete SATA lineup of SSDs

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Samsung 850 Pro vs. 860 Pro

On the outside, the Samsung 860 Pro can be recognized by the red square on the housing and inside, the differences may be just as subtle. The memory is controlled with the Pro as MLC with two bits per cell, which means less data fits on one memory chip. As a result, no tricks like TurboWrite are needed to keep the writing speed high and Samsung gives a twice as long service life for the 860 Pro.

Samsung 860 Pro 1TB

It is noteworthy that on the 860 Pro there is only a five-year guarantee, whereas on the previous 850 Pro it was ten years. Surely this is a bit sparse for an SSD that has its supposed longer life as one of its most important selling points. However, Samsung does guarantee a lifespan of 1200 p/e-cycles, whereas the Evo is only half that.

 
256 GB
512 GB
1 TB
2 TB
4 TB
850 Pro 150 TB 300 TB 300 TB 450 TB 600 TB
860 Pro 300 TB 600 TB 1,200 TB 2,400 TB 4,800 TB

Samsung gives slightly higher throughput rates for the 860 Pro, both compared to the Evo and to its predecessor, the 850 Pro. For sequential speeds the SSDs should achieve 560 MB/s and 530 MB/s for read and write respectively, while random performance is specified at 100,000 and 90,000 IOPS.

Samsung 860 Pro 1TB

Unlike the 860 Evo, the Samsung 860 Pro is only available as a regular 2.5" disk in the shops.

In the table below you can view all specifications of the Samsung 860 Pro compared to those of the 850 Pro.

General
 
BrandSamsungSamsung
Product name850 Pro 512GB860 Pro 512GB
Product codeMZ-7KE512BWMZ-76P512BW
DetailsProduct infoProduct info
Specifications
Disc typeSSDSSD
Quoted capacity512 GB512 GB
Cache512 MB512 MB
Cache geheugentypeDDR4
InterfaceSerial ATA 600Serial ATA 600
SSD controllerSamsung MEX (S4LN045X01)Samsung S4LR030
Measured capacity476 GB476.94 GB
Native Command Queuing
TRIM support
4K native mode
Flash memory typeMulti-level cellMulti-level cell
Flash chip brandSamsungSamsung
Warranty10 year(s)5 year(s)
Total Bytes Written / TBW300 TB600 TB
NAS hard disk
ProtocolAHCI
Performance
Read (sequentially)550 MB/s560 MB/s
Write (sequentially)520 MB/s530 MB/s
Read (4k random)100000 IOps100000 IOps
Write (4k random)90000 IOps90000 IOps
Physical properties
Form factor2.5 inch2.5 inch
Height7 mm6.5 mm
Weight45 gram
Encryption / security
Self encrypting drive (SED)
TCG Opal 2.0 compatible
Microsoft eDrive compatible
Protection against power loss
Encryption256 bit AES256 bit AES


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