Product comparison · 2 internal hard drives

Seagate 320GB 2.5" SATA II vs Seagate Momentus 7200.3 320GB

Key differences

HDD speed
- 320GB 2.5" SATA II:5400 RPM
- Momentus 7200.3 320GB:7200 RPM
Interface
- 320GB 2.5" SATA II:Serial ATA II
- Momentus 7200.3 320GB:Serial ATA
Storage drive buffer size
- 320GB 2.5" SATA II:8 MB
- Momentus 7200.3 320GB:16 MB
Average latency
- 320GB 2.5" SATA II:5.56 ms
- Momentus 7200.3 320GB:4.17 ms
Power consumption (standby)
- 320GB 2.5" SATA II:0.205 W
- Momentus 7200.3 320GB:0.21 W
Power consumption (idle)
- 320GB 2.5" SATA II:0.685 W
- Momentus 7200.3 320GB:0.75 W
Power consumption (read)
- 320GB 2.5" SATA II:1.6 W
- Momentus 7200.3 320GB:2.1 W
Power consumption (write)
- 320GB 2.5" SATA II:1.6 W
- Momentus 7200.3 320GB:2.1 W

Differences highlightedShow differences only

Comparison of 320GB 2.5" SATA II, Momentus 7200.3 320GB
38 specifications	A Seagate 320GB 2.5" SATA II View product	B Seagate Momentus 7200.3 320GB View product
Features4 differ
HDD speedDiffers	5400 RPM	7200 RPM
InterfaceDiffers	Serial ATA II	Serial ATA
Storage drive buffer sizeDiffers	8 MB	16 MB
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	13 ms
Average latencyDiffers	5.56 ms	4.17 ms
Power4 differ
Power consumption (standby)Differs	0.205 W	0.21 W
Power consumption (idle)Differs	0.685 W	0.75 W
Power consumption (read)Differs	1.6 W	2.1 W
Power consumption (write)Differs	1.6 W	2.1 W
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	-304.8 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-304.8 - 3048 m	Unknown — not stated by the source
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Disks included quantityKnown for one	Unknown — not stated by the source	2 pc(s)
Drive device, transfer rateKnown for one	Unknown — not stated by the source	80 MB/s
InternalKnown for one	Unknown — not stated by the source	Yes
Maximum data transfer rateKnown for one	Unknown — not stated by the source	300 Mbit/s
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	2.3 dB

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.