Product comparison · 2 internal hard drives

Lenovo 81Y9948 internal hard drive vs Seagate Desktop HDD ST1000DM004 internal hard drive

7specifications compared
6differ
1identical
17known for one product only

Key differences

HDD capacity
- 81Y9948 internal hard drive:900 GB
- Desktop HDD ST1000DM004 internal hard drive:1 TB
HDD speed
- 81Y9948 internal hard drive:10000 RPM
- Desktop HDD ST1000DM004 internal hard drive:7200 RPM
HDD size
- 81Y9948 internal hard drive:2.5"
- Desktop HDD ST1000DM004 internal hard drive:3.5"
Interface
- 81Y9948 internal hard drive:SAS
- Desktop HDD ST1000DM004 internal hard drive:Serial ATA III
Operating voltage
- 81Y9948 internal hard drive:5 V
- Desktop HDD ST1000DM004 internal hard drive:5 / 12 V
Quantity per pack
- 81Y9948 internal hard drive:1 pc(s)
- Desktop HDD ST1000DM004 internal hard drive:25 pc(s)

Side by side

Differences highlightedShow differences only

Comparison of 81Y9948, ST1000DM004
24 specifications	A Lenovo 81Y9948 internal hard drive Model 81Y9948 View product	B Seagate Desktop HDD ST1000DM004 internal hard drive Model ST1000DM004 View product
Features4 differ
HDD capacityDiffers	900 GB	1 TB
HDD speedDiffers	10000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA III
Type	HDD	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	64 MB
HDD interface transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
HDD sustained transfer rateKnown for one	Unknown — not stated by the source	210 MiB/s
HDD number of headsKnown for one	Unknown — not stated by the source	2
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	5.3 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.94 W
Power consumption (idle)Known for one	Unknown — not stated by the source	4.6 W
Operating voltageDiffers	5 V	5 / 12 V
Start-up currentKnown for one	Unknown — not stated by the source	2 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Technical detailsidentical
Doesn't containKnown for one	Unknown — not stated by the source	Halogen
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightKnown for one	Unknown — not stated by the source	20 mm
WeightKnown for one	Unknown — not stated by the source	400 g
Packaging data1 differ
Quantity per packDiffers	1 pc(s)	25 pc(s)
Other featuresidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS

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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