Product comparison · 2 internal hard drives

Lenovo 8321455 internal hard drive vs Seagate 19.9GB HDD

8specifications compared
6differ
2identical
21known for one product only

Key differences

HDD capacity
- 8321455 internal hard drive:300 GB
- 19.9GB HDD:19.9 GB
HDD speed
- 8321455 internal hard drive:15000 RPM
- 19.9GB HDD:7200 RPM
Interface
- 8321455 internal hard drive:SAS
- 19.9GB HDD:SCSI
Operating temperature (T-T)
- 8321455 internal hard drive:5 - 35 °C
- 19.9GB HDD:5 - 55 °C
Storage temperature (T-T)
- 8321455 internal hard drive:5 - 43 °C
- 19.9GB HDD:-40 - 70 °C
Operating relative humidity (H-H)
- 8321455 internal hard drive:8 - 95%
- 19.9GB HDD:5 - 90%

Side by side

Differences highlightedShow differences only

Comparison of 8321455, 19.9GB HDD
29 specifications	A Lenovo 8321455 internal hard drive Model 8321455 View product	B Seagate 19.9GB HDD View product
Features3 differ
HDD capacityDiffers	300 GB	19.9 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
InterfaceDiffers	SAS	SCSI
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	2 MB
HDD number of headsKnown for one	Unknown — not stated by the source	2
Read seek timeKnown for one	Unknown — not stated by the source	6.9 ms
Write seek timeKnown for one	Unknown — not stated by the source	7.5 ms
Full stroke seek timeKnown for one	Unknown — not stated by the source	10.7 ms
Average latencyKnown for one	Unknown — not stated by the source	4.17 ms
SMART technologyKnown for one	Unknown — not stated by the source	Yes
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V
Operational conditions3 differ
Operating temperature (T-T)Differs	5 - 35 °C	5 - 55 °C
Storage temperature (T-T)Differs	5 - 43 °C	-40 - 70 °C
Operating relative humidity (H-H)Differs	8 - 95%	5 - 90%
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 G
Operating altitudeKnown for one	Unknown — not stated by the source	-304.8 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-304.8 - 12192 m
Operating shockKnown for one	Unknown — not stated by the source	63 G
Non-operating shockKnown for one	Unknown — not stated by the source	350 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	146.1 mm
HeightKnown for one	Unknown — not stated by the source	25.4 mm
WeightKnown for one	Unknown — not stated by the source	540 g
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Other featuresidentical
Windows operating systems supportedKnown for one	Yes	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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