Product comparison · 2 internal hard drives

Dell R0191 internal hard drive vs Seagate Constellation ST91000641NS-40PK internal hard drive

7specifications compared
5differ
2identical
17known for one product only

Key differences

HDD capacity
- R0191 internal hard drive:250 GB
- Constellation ST91000641NS-40PK internal hard drive:1 TB
HDD size
- R0191 internal hard drive:3.5"
- Constellation ST91000641NS-40PK internal hard drive:2.5"
Interface
- R0191 internal hard drive:Serial ATA
- Constellation ST91000641NS-40PK internal hard drive:Serial ATA III
Operating voltage
- R0191 internal hard drive:5 / 12 V
- Constellation ST91000641NS-40PK internal hard drive:5 V
Quantity per pack
- R0191 internal hard drive:1 pc(s)
- Constellation ST91000641NS-40PK internal hard drive:40 pc(s)

Side by side

Differences highlightedShow differences only

Comparison of R0191, ST91000641NS-40PK
24 specifications	A Dell R0191 internal hard drive Model R0191 View product	B Seagate Constellation ST91000641NS-40PK internal hard drive Model ST91000641NS-40PK View product
Features3 differ
HDD capacityDiffers	250 GB	1 TB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA	Serial ATA III
Type	HDD	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	64 MB
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9.5 ms
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1400000 h
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	5.21 W
Power consumption (idle)Known for one	Unknown — not stated by the source	3.31 W
Operating voltageDiffers	5 / 12 V	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 60 °C
Operating vibrationKnown for one	Unknown — not stated by the source	0.5 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	3 G
Operating shockKnown for one	Unknown — not stated by the source	70 G
Non-operating shockKnown for one	Unknown — not stated by the source	400 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	70.1 mm
DepthKnown for one	Unknown — not stated by the source	100.5 mm
HeightKnown for one	Unknown — not stated by the source	15 mm
WeightKnown for one	Unknown — not stated by the source	200 g
Packaging data1 differ
Quantity per packDiffers	1 pc(s)	40 pc(s)

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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