Product comparison · 2 internal hard drives

Seagate 73GB 2.5" SAS vs Seagate Momentus 5400.5 SATA 3Gb/s 80GB

17specifications compared
14differ
3identical
18known for one product only

Key differences

HDD capacity
- 73GB 2.5" SAS:73.4 GB
- Momentus 5400.5 SATA 3Gb/s 80GB:80 GB
HDD speed
- 73GB 2.5" SAS:15000 RPM
- Momentus 5400.5 SATA 3Gb/s 80GB:5400 RPM
Interface
- 73GB 2.5" SAS:SAS
- Momentus 5400.5 SATA 3Gb/s 80GB:Serial ATA
Component for
- 73GB 2.5" SAS:Server/workstation
- Momentus 5400.5 SATA 3Gb/s 80GB:Laptop
Storage drive buffer size
- 73GB 2.5" SAS:16 MB
- Momentus 5400.5 SATA 3Gb/s 80GB:8 MB
HDD number of heads
- 73GB 2.5" SAS:2
- Momentus 5400.5 SATA 3Gb/s 80GB:1
Average latency
- 73GB 2.5" SAS:2 ms
- Momentus 5400.5 SATA 3Gb/s 80GB:5.56 ms
Power consumption (idle)
- 73GB 2.5" SAS:3.7 W
- Momentus 5400.5 SATA 3Gb/s 80GB:0.685 W

Side by side

Differences highlightedShow differences only

Comparison of 73GB 2.5" SAS, Momentus 5400.5 SATA 3Gb/s 80GB
35 specifications	A Seagate 73GB 2.5" SAS View product	B Seagate Momentus 5400.5 SATA 3Gb/s 80GB View product
Features7 differ
HDD capacityDiffers	73.4 GB	80 GB
HDD speedDiffers	15000 RPM	5400 RPM
InterfaceDiffers	SAS	Serial ATA
Type	HDD	HDD
Component forDiffers	Server/workstation	Laptop
Storage drive buffer sizeDiffers	16 MB	8 MB
HDD number of headsDiffers	2	1
Average latencyDiffers	2 ms	5.56 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	Unknown — not stated by the source	500000 h
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Read seek timeKnown for one	2.9 ms	Unknown — not stated by the source
Write seek timeKnown for one	3.3 ms	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	1.3 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.205 W
Power consumption (idle)Differs	3.7 W	0.685 W
Power consumption (read)Known for one	Unknown — not stated by the source	1.6 W
Power consumption (write)Known for one	Unknown — not stated by the source	1.6 W
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Operational conditions3 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating shockDiffers	60 G	350 G
Non-operating shockDiffers	300 G	1000 G
Operating vibrationKnown for one	0.5 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	2.4 G	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	70 mm	69.8 mm
Depth	100.5 mm	100.5 mm
HeightDiffers	14.8 mm	9.5 mm
WeightDiffers	195 g	93 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Drive device, transfer rateKnown for one	Unknown — not stated by the source	60.3 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

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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