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Product comparison · 2 internal solid state drives

Samsung 845DC Pro vs Samsung 850 PRO

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  • 20specifications compared
  • 12differ
  • 8identical
  • 20known for one product only

Key differences

  • SSD capacity
    • 400 GB
    • 128 GB
  • Memory type
    • MLC
    • 3D MLC
  • Read speed
    • 530 MB/s
    • 550 MB/s
  • Write speed
    • 460 MB/s
    • 470 MB/s
  • Random read (4KB)
    • 92000 IOPS
    • 100000 IOPS
  • Random write (4KB)
    • 50000 IOPS
    • 90000 IOPS
  • Power consumption (read)
    • 1.7 W
    • 3.3 W
  • Power consumption (idle)
    • 1 W
    • 0.4 W

Side by side

Differences highlightedShow differences only
40 specifications
A

Samsung

845DC ProView product
B

Samsung

850 PROView product
Features6 differ
SSD capacityDiffers400 GB128 GB
SSD form factor2.5"2.5"
InterfaceSerial ATA IIISerial ATA III
Memory typeDiffersMLC3D MLC
Data transfer rate6 Gbit/s6 Gbit/s
Read speedDiffers530 MB/s550 MB/s
Write speedDiffers460 MB/s470 MB/s
Random read (4KB)Differs92000 IOPS100000 IOPS
Random write (4KB)Differs50000 IOPS90000 IOPS
Read latencyKnown for one110 µs
Write latencyKnown for one50 µs
Storage drive buffer sizeKnown for one512 MB
Controller typeKnown for oneSamsung MDX
RAID supportKnown for oneYes
ECCKnown for oneYes
End-to-End Data ProtectionKnown for oneYes
Native Command Queuing (NCQ)Known for oneYes
Mean time between failures (MTBF)2000000 h2000000 h
CertificationKnown for oneCE, BSMI, KCC, VCCI, C-tick, FCC, IC, UL, TUV, CB
S.M.A.R.T. supportKnown for oneYes
TRIM supportKnown for oneYes
TBW ratingKnown for one150
Power2 differ
Power consumption (read)Differs1.7 W3.3 W
Power consumption (write)Known for one3.1 W
Power consumption (idle)Differs1 W0.4 W
Weight & dimensions3 differ
WidthDiffers69.8 mm100 mm
DepthDiffers100.2 mm6.8 mm
HeightDiffers6.8 mm69.8 mm
WeightKnown for one65 g
Operational conditionsidentical
Operating temperature (T-T)0 - 70 °C0 - 70 °C
Storage temperature (T-T)-40 - 85 °C-40 - 85 °C
Operating relative humidity (H-H)5 - 95%5 - 95%
Storage relative humidity (H-H)Known for one5 - 95%
Non-operating vibrationKnown for one20 G
Operating shockKnown for one1500 G
Non-operating shockKnown for one1500 G
Other features1 differ
Product colourBlackBlack
InternalDiffersNoYes
Compliance certificatesKnown for oneRoHS
Operating temperature (T-T)Known for one32 - 158 °F

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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