Product comparison · 2 internal hard drives

Seagate 250GB 2.5" SATA II vs Seagate S-series ST90250N1A1AS-RK internal hard drive

5specifications compared
3differ
2identical
27known for one product only

Key differences

HDD size
- 250GB 2.5" SATA II:3.5"
- S-series ST90250N1A1AS-RK internal hard drive:2.5"
Operating voltage
- 250GB 2.5" SATA II:5 / 12 V
- S-series ST90250N1A1AS-RK internal hard drive:5 V
Weight
- 250GB 2.5" SATA II:382 g
- S-series ST90250N1A1AS-RK internal hard drive:220 g

Side by side

Differences highlightedShow differences only

Comparison of 250GB 2.5" SATA II, ST90250N1A1AS-RK
32 specifications	A Seagate 250GB 2.5" SATA II View product	B Seagate S-series ST90250N1A1AS-RK internal hard drive Model ST90250N1A1AS-RK View product
Features1 differ
HDD sizeDiffers	3.5"	2.5"
InterfaceKnown for one	Serial ATA II	Unknown — not stated by the source
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer sizeKnown for one	8 MB	Unknown — not stated by the source
HDD interface transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Power1 differ
Power consumption (standby)Known for one	1 W	Unknown — not stated by the source
Power consumption (idle)Known for one	5.25 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentKnown for one	2 A	Unknown — not stated by the source
Operational conditionsidentical
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
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 vibrationKnown for one	0.5 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	5 G	Unknown — not stated by the source
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	250 G	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	101.6 mm	Unknown — not stated by the source
DepthKnown for one	147 mm	Unknown — not stated by the source
HeightKnown for one	20.2 mm	Unknown — not stated by the source
WeightDiffers	382 g	220 g
Packaging dataidentical
Package weightKnown for one	Unknown — not stated by the source	670 g
Other featuresidentical
Minimum system requirementsKnown for one	Unknown — not stated by the source	-Laptop - internal SATA
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	120.6 x 161 x 57.15 mm
Compatible operating systemsKnown for one	Unknown — not stated by the source	-Microsoft -Mac Intel processor -Linux
InternalKnown for one	Unknown — not stated by the source	Yes
Mac compatibilityKnown for one	Unknown — not stated by the source	Yes
Package dimensions (W x D x H)Known for one	Unknown — not stated by the source	163.6 x 177.8 x 122.2 mm (6.44 x 7 x 4.81")
Package weight (imperial)Known for one	Unknown — not stated by the source	0.671 kg (1.48 lbs)
Weight (imperial)Known for one	Unknown — not stated by the source	0.222 kg (0.49 lbs)

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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