Product comparison · 2 internal hard drives

Samsung HD SpinPoint F1, 500GB, SATA II, 16MB, RTL vs Samsung HM251JI - 250GB + 50PK Kit

21specifications compared
15differ
6identical
13known for one product only

Key differences

HDD capacity
- HD SpinPoint F1, 500GB, SATA II, 16MB, RTL:500 GB
- HM251JI - 250GB + 50PK Kit:250 GB
HDD speed
- HD SpinPoint F1, 500GB, SATA II, 16MB, RTL:7200 RPM
- HM251JI - 250GB + 50PK Kit:5400 RPM
HDD size
- HD SpinPoint F1, 500GB, SATA II, 16MB, RTL:3.5"
- HM251JI - 250GB + 50PK Kit:2.5"
Interface
- HD SpinPoint F1, 500GB, SATA II, 16MB, RTL:Serial ATA II
- HM251JI - 250GB + 50PK Kit:Serial ATA
Storage drive buffer size
- HD SpinPoint F1, 500GB, SATA II, 16MB, RTL:16 MB
- HM251JI - 250GB + 50PK Kit:8 MB
Power consumption (standby)
- HD SpinPoint F1, 500GB, SATA II, 16MB, RTL:0.8 W
- HM251JI - 250GB + 50PK Kit:0.25 W
Operating voltage
- HD SpinPoint F1, 500GB, SATA II, 16MB, RTL:5 / 12 V
- HM251JI - 250GB + 50PK Kit:5 V
Operating temperature (T-T)
- HD SpinPoint F1, 500GB, SATA II, 16MB, RTL:0 - 60 °C
- HM251JI - 250GB + 50PK Kit:5 - 55 °C

Side by side

Differences highlightedShow differences only

Comparison of HD SpinPoint F1, 500GB, SATA II, 16MB, RTL, HM251JI - 250GB + 50PK Kit
34 specifications	A Samsung HD SpinPoint F1, 500GB, SATA II, 16MB, RTL View product	B Samsung HM251JI - 250GB + 50PK Kit View product
Features5 differ
HDD capacityDiffers	500 GB	250 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA
Storage drive buffer sizeDiffers	16 MB	8 MB
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Write seek timeKnown for one	8.9 ms	Unknown — not stated by the source
Average latencyKnown for one	4.17 ms	Unknown — not stated by the source
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Power2 differ
Power consumption (standby)Differs	0.8 W	0.25 W
Power consumption (off)Known for one	Unknown — not stated by the source	0.2 W
Operating voltageDiffers	5 / 12 V	5 V
Operational conditions4 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °C
Operating vibrationKnown for one	Unknown — not stated by the source	0.7 G
Non-operating altitudeDiffers	-300 - 12000 m	-400 - 15000 m
Operating shockDiffers	70 G	325 G
Non-operating shockDiffers	350 G	1000 G
Weight & dimensions4 differ
WidthDiffers	101.5 mm	69.8 mm
DepthDiffers	147 mm	100 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	610 g	102 g
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	69.85 x 100 x 9.5 mm
Product colourKnown for one	Unknown — not stated by the source	Black
Data transfer rateKnown for one	Unknown — not stated by the source	1.5 Gbit/s
Drive device, transfer rateKnown for one	Unknown — not stated by the source	150 MB/s
Drive ready timeKnown for one	Unknown — not stated by the source	4 s
Maximum data transfer rateKnown for one	Unknown — not stated by the source	826 Mbit/s
Power requirementsKnown for one	+5V±5%, +12V±10%	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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