Product comparison · 2 internal hard drives

Dell 400-AHVV internal hard drive vs Seagate 320GB 3.5

6specifications compared
4differ
2identical
28known for one product only

Key differences

HDD capacity
- 400-AHVV internal hard drive:1 TB
- 320GB 3.5:320 GB
HDD size
- 400-AHVV internal hard drive:2.5"
- 320GB 3.5:3.5"
Interface
- 400-AHVV internal hard drive:Serial ATA III
- 320GB 3.5:Serial ATA II
Operating voltage
- 400-AHVV internal hard drive:5 V
- 320GB 3.5:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of 400-AHVV, 320GB 3.5
34 specifications	A Dell 400-AHVV internal hard drive Model 400-AHVV View product	B Seagate 320GB 3.5 View product
Features3 differ
HDD capacityDiffers	1 TB	320 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA III	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
Hot-swapKnown for one	Yes	Unknown — not stated by the source
HDD interface transfer rateKnown for one	6 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

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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