Product comparison · 2 internal hard drives

Seagate Momentus 750Gb SATA II vs Seagate Desktop HDD ST3200542AS internal hard drive

Key differences

HDD capacity
- Momentus 750Gb SATA II:750 GB
- Desktop HDD ST3200542AS internal hard drive:2 TB
HDD speed
- Momentus 750Gb SATA II:7200 RPM
- Desktop HDD ST3200542AS internal hard drive:5900 RPM
Interface
- Momentus 750Gb SATA II:Serial ATA II
- Desktop HDD ST3200542AS internal hard drive:Serial ATA
Storage drive buffer size
- Momentus 750Gb SATA II:16 MB
- Desktop HDD ST3200542AS internal hard drive:32 MB
Read seek time
- Momentus 750Gb SATA II:11 ms
- Desktop HDD ST3200542AS internal hard drive:16 ms
Write seek time
- Momentus 750Gb SATA II:13 ms
- Desktop HDD ST3200542AS internal hard drive:16 ms
Average latency
- Momentus 750Gb SATA II:4.2 ms
- Desktop HDD ST3200542AS internal hard drive:5.1 ms
Operating shock
- Momentus 750Gb SATA II:350 G
- Desktop HDD ST3200542AS internal hard drive:70 G

Differences highlightedShow differences only

Comparison of Momentus 750Gb SATA II, ST3200542AS
24 specifications	A Seagate Momentus 750Gb SATA II View product	B Seagate Desktop HDD ST3200542AS internal hard drive Model ST3200542AS View product
Features7 differ
HDD capacityDiffers	750 GB	2 TB
HDD speedDiffers	7200 RPM	5900 RPM
InterfaceDiffers	Serial ATA II	Serial ATA
Storage drive buffer sizeDiffers	16 MB	32 MB
Read seek timeDiffers	11 ms	16 ms
Write seek timeDiffers	13 ms	16 ms
Average latencyDiffers	4.2 ms	5.1 ms
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Component forKnown for one	Laptop	Unknown — not stated by the source
Poweridentical
Power consumption (idle)Known for one	Unknown — not stated by the source	4.3 W
Power consumption (read)Known for one	Unknown — not stated by the source	6.8 W
Power consumption (write)Known for one	Unknown — not stated by the source	6.8 W
Start-up currentKnown for one	Unknown — not stated by the source	2 A
Operating voltageKnown for one	5 V	Unknown — not stated by the source
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 shockDiffers	350 G	70 G
Non-operating shockKnown for one	Unknown — not stated by the source	300 G
Weight & dimensions4 differ
WidthDiffers	69.8 mm	147 mm
DepthDiffers	100.3 mm	101.8 mm
HeightDiffers	9.5 mm	26.1 mm
WeightDiffers	115 g	655 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	1.5 Gbit/s
Internal	Yes	Yes

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.