Product comparison · 2 internal solid state drives

Samsung 845DC Pro vs Samsung 850 EVO

22specifications compared
12differ
10identical
18known for one product only

Key differences

SSD capacity
- 845DC Pro:400 GB
- 850 EVO:120 GB
Read speed
- 845DC Pro:530 MB/s
- 850 EVO:540 MB/s
Write speed
- 845DC Pro:460 MB/s
- 850 EVO:520 MB/s
Random read (4KB)
- 845DC Pro:92000 IOPS
- 850 EVO:94000 IOPS
Random write (4KB)
- 845DC Pro:50000 IOPS
- 850 EVO:36000 IOPS
Storage drive buffer size
- 845DC Pro:512 MB
- 850 EVO:256 MB
Mean time between failures (MTBF)
- 845DC Pro:2000000 h
- 850 EVO:1500000 h
Power consumption (read)
- 845DC Pro:1.7 W
- 850 EVO:0.1 W

Side by side

Differences highlightedShow differences only

Comparison of 845DC Pro, 850 EVO
40 specifications	A Samsung 845DC Pro View product	B Samsung 850 EVO View product
Features7 differ
SSD capacityDiffers	400 GB	120 GB
Read speedDiffers	530 MB/s	540 MB/s
Write speedDiffers	460 MB/s	520 MB/s
Random read (4KB)Differs	92000 IOPS	94000 IOPS
Random write (4KB)Differs	50000 IOPS	36000 IOPS
Read latencyKnown for one	110 µs	Unknown — not stated by the source
Write latencyKnown for one	50 µs	Unknown — not stated by the source
Storage drive buffer sizeDiffers	512 MB	256 MB
Controller typeKnown for one	Samsung MDX	Unknown — not stated by the source
RAID supportKnown for one	Yes	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
End-to-End Data ProtectionKnown for one	Yes	Unknown — not stated by the source
Native Command Queuing (NCQ)Known for one	Yes	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	2000000 h	1500000 h
CertificationKnown for one	CE, BSMI, KCC, VCCI, C-tick, FCC, IC, UL, TUV, CB	Unknown — not stated by the source
Security algorithmsKnown for one	Unknown — not stated by the source	256-bit AES
S.M.A.R.T. supportKnown for one	Unknown — not stated by the source	Yes
TRIM supportKnown for one	Unknown — not stated by the source	Yes
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Power3 differ
Power consumption (read)Differs	1.7 W	0.1 W
Power consumption (write)Differs	3.1 W	0.1 W
Power consumption (idle)Differs	1 W	0.045 W
Weight & dimensions1 differ
DepthDiffers	100.2 mm	100 mm
WeightKnown for one	65 g	Unknown — not stated by the source
Operational conditionsidentical
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Non-operating vibrationKnown for one	Unknown — not stated by the source	20 G
Operating shockKnown for one	Unknown — not stated by the source	1500 G
Non-operating shockKnown for one	Unknown — not stated by the source	1500 G
Other features1 differ
InternalDiffers	No	Yes
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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