Product comparison · 2 internal hard drives

Seagate 4.55GB PATA vs Seagate 7200.9 400GB PATA

27specifications compared
9differ
18identical
19known for one product only

Key differences

HDD capacity
- 4.55GB PATA:4.55 GB
- 7200.9 400GB PATA:400 GB
Read seek time
- 4.55GB PATA:9.5 ms
- 7200.9 400GB PATA:11 ms
Write seek time
- 4.55GB PATA:10.5 ms
- 7200.9 400GB PATA:12 ms
Average latency
- 4.55GB PATA:4.17 ms
- 7200.9 400GB PATA:4.16 ms
Operating shock
- 4.55GB PATA:10 G
- 7200.9 400GB PATA:63 G
Depth
- 4.55GB PATA:146 mm
- 7200.9 400GB PATA:147 mm
Height
- 4.55GB PATA:25.4 mm
- 7200.9 400GB PATA:26.1 mm
Weight
- 4.55GB PATA:680 g
- 7200.9 400GB PATA:710 g

Side by side

Differences highlightedShow differences only

Comparison of 4.55GB PATA, 7200.9 400GB PATA
46 specifications	A Seagate 4.55GB PATA View product	B Seagate 7200.9 400GB PATA View product
Features4 differ
HDD capacityDiffers	4.55 GB	400 GB
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	16 MB
HDD number of cylindersKnown for one	Unknown — not stated by the source	16383
Read seek timeDiffers	9.5 ms	11 ms
Write seek timeDiffers	10.5 ms	12 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	1 ms
Average latencyDiffers	4.17 ms	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
HDD number of headsKnown for one	4	Unknown — not stated by the source
Full stroke seek timeKnown for one	23.5 ms	Unknown — not stated by the source
SMART technologyKnown for one	Yes	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	800000 h	Unknown — not stated by the source
Poweridentical
Start-up currentKnown for one	Unknown — not stated by the source	2.9 A
Operational conditions1 differ
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 shockDiffers	10 G	63 G
Non-operating shockKnown for one	Unknown — not stated by the source	300 G
Weight & dimensions3 differ
DepthDiffers	146 mm	147 mm
HeightDiffers	25.4 mm	26.1 mm
WeightDiffers	680 g	710 g
Other features1 differ
Integrated USB cableKnown for one	Unknown — not stated by the source	No
Maximum data transfer rateDiffers	192 Mbit/s	815.2 Mbit/s
Windows operating systems supportedKnown for one	Yes	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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