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

The Seagate 3.5" 320 GB Ultra ATA/100 has 120 GB more HDD capacity than the Seagate Momentus 7200.2 SATA 200GB (320 GB vs 200 GB). The Seagate 3.5" 320 GB Ultra ATA/100 has 1" more HDD size than the Seagate Momentus 7200.2 SATA 200GB (3.5" vs 2.5"). The Seagate Momentus 7200.2 SATA 200GB has 0.01 ms more average latency than the Seagate 3.5" 320 GB Ultra ATA/100 (4.17 ms vs 4.16 ms). Interface: Ultra-ATA/100 on the Seagate 3.5" 320 GB Ultra ATA/100, Serial ATA II on the Seagate Momentus 7200.2 SATA 200GB. Operating voltage: 5 / 12 V on the Seagate 3.5" 320 GB Ultra ATA/100, 5 V on the Seagate Momentus 7200.2 SATA 200GB.

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 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
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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