Product comparison · 2 internal hard drives

Fujitsu Hard disk U320 146GB 15k hot plug 1" vs Seagate 500GB 3.5" Ultra ATA/100

4specifications compared
4differ
0identical
27known for one product only

Key differences

The Seagate 500GB 3.5" Ultra ATA/100 has 354 GB more HDD capacity than the Fujitsu Hard disk U320 146GB 15k hot plug 1" (500 GB vs 146 GB). The Fujitsu Hard disk U320 146GB 15k hot plug 1" has 7,800 RPM more HDD speed than the Seagate 500GB 3.5" Ultra ATA/100 (15000 RPM vs 7200 RPM). The Seagate 500GB 3.5" Ultra ATA/100 has 2.5" more HDD size than the Fujitsu Hard disk U320 146GB 15k hot plug 1" (3.5" vs 1"). Interface: SCSI on the Fujitsu Hard disk U320 146GB 15k hot plug 1", Ultra-ATA/100 on the Seagate 500GB 3.5" Ultra ATA/100.

HDD capacity
- Hard disk U320 146GB 15k hot plug 1":146 GB
- 500GB 3.5" Ultra ATA/100:500 GB
HDD speed
- Hard disk U320 146GB 15k hot plug 1":15000 RPM
- 500GB 3.5" Ultra ATA/100:7200 RPM
HDD size
- Hard disk U320 146GB 15k hot plug 1":1"
- 500GB 3.5" Ultra ATA/100:3.5"
Interface
- Hard disk U320 146GB 15k hot plug 1":SCSI
- 500GB 3.5" Ultra ATA/100:Ultra-ATA/100

Side by side

Differences highlightedShow differences only

Comparison of Hard disk U320 146GB 15k hot plug 1", 500GB 3.5" Ultra ATA/100
31 specifications	A Fujitsu Hard disk U320 146GB 15k hot plug 1"View product	B Seagate 500GB 3.5" Ultra ATA/100 View product
Features4 differ
HDD capacityDiffers	146 GB	500 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	1"	3.5"
InterfaceDiffers	SCSI	Ultra-ATA/100
TypeKnown for one	Unknown — not stated by the source	HDD
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	16
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	12 ms
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V
Start-up currentKnown for one	Unknown — not stated by the source	2.6 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	63 G
Non-operating shockKnown for one	Unknown — not stated by the source	300 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 mm
WeightKnown for one	Unknown — not stated by the source	710 g
Other featuresidentical
Drive devices burst data transfer rate (DMA)Known for one	Unknown — not stated by the source	2
Drive devices burst data transfer rate (PIO)Known for one	Unknown — not stated by the source	4
Drive devices burst data transfer rate (Ultra DMA)Known for one	Unknown — not stated by the source	5
InternalKnown for one	Yes	Unknown — not stated by the source
Compatible productsKnown for one	PRIMERGY TX150, TX150 S2, TX150 S3, TX200, TX300, TX600	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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