Product comparison · 2 internal hard drives

Dell VJ7CD internal hard drive vs Seagate 320GB 3.5

6specifications compared
5differ
1identical
28known for one product only

Key differences

HDD capacity
- VJ7CD internal hard drive:1.8 TB
- 320GB 3.5:320 GB
HDD speed
- VJ7CD internal hard drive:10000 RPM
- 320GB 3.5:7200 RPM
HDD size
- VJ7CD internal hard drive:2.5"
- 320GB 3.5:3.5"
Interface
- VJ7CD internal hard drive:SAS
- 320GB 3.5:Serial ATA II
Operating voltage
- VJ7CD internal hard drive:5 V
- 320GB 3.5:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of VJ7CD, 320GB 3.5
34 specifications	A Dell VJ7CD internal hard drive Model VJ7CD View product	B Seagate 320GB 3.5 View product
Features4 differ
HDD capacityDiffers	1.8 TB	320 GB
HDD speedDiffers	10000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA II
Type	HDD	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	16 MB
HDD number of headsKnown for one	Unknown — not stated by the source	4
Track to track seek timeKnown for one	Unknown — not stated by the source	8.5 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
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	700000 h
HDD interface transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
Power1 differ
Power consumption (idle)Known for one	Unknown — not stated by the source	9.3 W
Power consumption (read)Known for one	Unknown — not stated by the source	13 W
Power consumption (write)Known for one	Unknown — not stated by the source	13 W
Operating voltageDiffers	5 V	5 / 12 V
Start-up currentKnown for one	Unknown — not stated by the source	2.8 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
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 12192 m
Operating shockKnown for one	Unknown — not stated by the source	68 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	147 mm
HeightKnown for one	Unknown — not stated by the source	26.1 mm
WeightKnown for one	Unknown — not stated by the source	580 g
Other featuresidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	2.7 dB
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	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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