Product comparison · 2 internal hard drives

Dell 400-18270 internal hard drive vs Seagate Barracuda 320GB

6specifications compared
2differ
4identical
35known for one product only

Key differences

HDD capacity
- 400-18270 internal hard drive:500 GB
- Barracuda 320GB:320 GB
Interface
- 400-18270 internal hard drive:Serial ATA
- Barracuda 320GB:Serial ATA II

Side by side

Differences highlightedShow differences only

Comparison of 400-18270, Barracuda 320GB
41 specifications	A Dell 400-18270 internal hard drive Model 400-18270 View product	B Seagate Barracuda 320GB View product
Features2 differ
HDD capacityDiffers	500 GB	320 GB
InterfaceDiffers	Serial ATA	Serial ATA II
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
HDD number of cylindersKnown for one	Unknown — not stated by the source	16383
HDD number of headsKnown for one	Unknown — not stated by the source	4
Read seek timeKnown for one	Unknown — not stated by the source	0.8 ms
Write seek timeKnown for one	Unknown — not stated by the source	1 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
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Poweridentical
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	5 - 55 °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 vibrationKnown for one	Unknown — not stated by the source	5–22Hz: 0.25Gs, 22–350Hz: 0.50Gs, 350–500Hz: 0.25Gs
Non-operating vibrationKnown for one	Unknown — not stated by the source	5–22Hz: 0.25Gs, 22–350Hz: 5.0Gs, 350–500Hz: 1.0Gs
Operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 3.048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 12.192 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	147 mm
HeightKnown for one	Unknown — not stated by the source	26.1 mm
WeightKnown for one	Unknown — not stated by the source	635 g
Other featuresidentical
Maximum data transfer rateKnown for one	Unknown — not stated by the source	1030 Mbit/s
Recording densityKnown for one	Unknown — not stated by the source	781 kbit/inch
Sustained data rateKnown for one	Unknown — not stated by the source	72 MB/s
Drive devices burst data transfer rate (PIO)Known for one	Unknown — not stated by the source	0-4
Drive devices burst data transfer rate (Ultra DMA)Known for one	Unknown — not stated by the source	0-6
Product colourKnown for one	Black	Unknown — not stated by the source
Card reader integratedKnown for one	No	Unknown — not stated by the source
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Plug and PlayKnown for one	No	Unknown — not stated by the source
USB requiredKnown for one	No	Unknown — not stated by the source
Compatible productsKnown for one	PowerEdge T610/T710/R610/R815 FS / R810/R710 Rack / M610/M610x Blade / R715	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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