Product comparison · 2 internal hard drives

Seagate 3.5" 320 GB Ultra ATA/100 vs Seagate Momentus 7200.2 SATA 200GB

11specifications compared
9differ
2identical
20known for one product only

Key differences

HDD capacity
- 3.5" 320 GB Ultra ATA/100:320 GB
- Momentus 7200.2 SATA 200GB:200 GB
HDD size
- 3.5" 320 GB Ultra ATA/100:3.5"
- Momentus 7200.2 SATA 200GB:2.5"
Interface
- 3.5" 320 GB Ultra ATA/100:Ultra-ATA/100
- Momentus 7200.2 SATA 200GB:Serial ATA II
Average latency
- 3.5" 320 GB Ultra ATA/100:4.16 ms
- Momentus 7200.2 SATA 200GB:4.17 ms
Operating voltage
- 3.5" 320 GB Ultra ATA/100:5 / 12 V
- Momentus 7200.2 SATA 200GB:5 V
Width
- 3.5" 320 GB Ultra ATA/100:101.6 mm
- Momentus 7200.2 SATA 200GB:69.8 mm
Depth
- 3.5" 320 GB Ultra ATA/100:147 mm
- Momentus 7200.2 SATA 200GB:100.5 mm
Height
- 3.5" 320 GB Ultra ATA/100:26.1 mm
- Momentus 7200.2 SATA 200GB:9.5 mm

Side by side

Differences highlightedShow differences only

Comparison of 3.5" 320 GB Ultra ATA/100, Momentus 7200.2 SATA 200GB
31 specifications	A Seagate 3.5" 320 GB Ultra ATA/100 View product	B Seagate Momentus 7200.2 SATA 200GB View product
Features4 differ
HDD capacityDiffers	320 GB	200 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Ultra-ATA/100	Serial ATA II
TypeKnown for one	Unknown — not stated by the source	HDD
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer size	16 MB	16 MB
HDD number of headsKnown for one	Unknown — not stated by the source	4
Average seek timeKnown for one	Unknown — not stated by the source	11 ms
Average latencyDiffers	4.16 ms	4.17 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Start/stop cyclesKnown for one	Unknown — not stated by the source	600000
Mean time between failures (MTBF)Known for one	700000 h	Unknown — not stated by the source
Power1 differ
Power consumption (standby)Known for one	Unknown — not stated by the source	0.25 W
Power consumption (idle)Known for one	Unknown — not stated by the source	0.8 W
Power consumption (read)Known for one	Unknown — not stated by the source	2.1 W
Power consumption (write)Known for one	Unknown — not stated by the source	2.1 W
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1.1 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 shockKnown for one	Unknown — not stated by the source	300 G
Non-operating shockKnown for one	Unknown — not stated by the source	900 G
Weight & dimensions4 differ
WidthDiffers	101.6 mm	69.8 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	635 g	115 g
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Other featuresidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Sustained data rateKnown for one	Unknown — not stated by the source	69.5 MB/s
InternalKnown 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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