Product comparison · 2 internal hard drives

Samsung SATA II 1.5TB vs Seagate 500GB 2.5" SAS

14specifications compared
11differ
3identical
25known for one product only

Key differences

HDD capacity
- SATA II 1.5TB:1.5 TB
- 500GB 2.5" SAS:500 GB
HDD speed
- SATA II 1.5TB:5400 RPM
- 500GB 2.5" SAS:7200 RPM
HDD size
- SATA II 1.5TB:3.5"
- 500GB 2.5" SAS:2.5"
Interface
- SATA II 1.5TB:Serial ATA II
- 500GB 2.5" SAS:SAS
Storage drive buffer size
- SATA II 1.5TB:32 MB
- 500GB 2.5" SAS:16 MB
Average latency
- SATA II 1.5TB:5.52 ms
- 500GB 2.5" SAS:4.16 ms
Power consumption (idle)
- SATA II 1.5TB:5.1 W
- 500GB 2.5" SAS:2.9 W
Operating voltage
- SATA II 1.5TB:5 / 12 V
- 500GB 2.5" SAS:5 V

Side by side

Differences highlightedShow differences only

Comparison of SATA II 1.5TB, 500GB 2.5" SAS
39 specifications	A Samsung SATA II 1.5TB View product	B Seagate 500GB 2.5" SAS View product
Features6 differ
HDD capacityDiffers	1.5 TB	500 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	SAS
Type	HDD	HDD
Storage drive buffer sizeDiffers	32 MB	16 MB
Average seek timeKnown for one	8.9 ms	Unknown — not stated by the source
Average latencyDiffers	5.52 ms	4.16 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1200000 h
Power2 differ
Power consumption (standby)Known for one	1 W	Unknown — not stated by the source
Power consumption (PowerSave)Known for one	1 W	Unknown — not stated by the source
Power consumption (idle)Differs	5.1 W	2.9 W
Power consumption (read)Known for one	6.3 W	Unknown — not stated by the source
Power consumption (write)Known for one	6.3 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 V	5 V
Power consumption (typical)Known for one	Unknown — not stated by the source	4 W
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	-300 - 3000 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-300 - 12000 m	Unknown — not stated by the source
Operating shock	70 G	70 G
Non-operating shockDiffers	300 G	400 G
Operating vibrationKnown for one	Unknown — not stated by the source	0.5 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	2.4 G
Weight & dimensions1 differ
WeightDiffers	650 g	196 g
WidthKnown for one	Unknown — not stated by the source	70 mm
DepthKnown for one	Unknown — not stated by the source	100.5 mm
HeightKnown for one	Unknown — not stated by the source	14.8 mm
Other featuresidentical
Dimensions (WxDxH)Known for one	101.5 x 147 x 26.1 mm	Unknown — not stated by the source
Data transfer rateKnown for one	166 Gbit/s	Unknown — not stated by the source
Drive ready timeKnown for one	12 s	Unknown — not stated by the source
InternalKnown for one	Yes	Unknown — not stated by the source
Maximum data transfer rateKnown for one	300 Mbit/s	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes

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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