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
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Parallel ATA	Parallel ATA
Type	HDD	HDD
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
Operating voltage	5 / 12 V	5 / 12 V
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
Width	101.6 mm	101.6 mm
DepthDiffers	146 mm	147 mm
HeightDiffers	25.4 mm	26.1 mm
WeightDiffers	680 g	710 g
Packaging dataidentical
Quantity per pack	1 pc(s)	1 pc(s)
Other features1 differ
Wi-Fi	No	No
Ethernet LAN	No	No
Product colour	Black	Black
Fibre Channel	No	No
FireWire 400	No	No
FireWire 800	No	No
Integrated USB cableKnown for one	Unknown — not stated by the source	No
Internal	No	No
Maximum data transfer rateDiffers	192 Mbit/s	815.2 Mbit/s
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
USB powered	No	No
eSATA	Yes	Yes
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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