Product comparison · 2 internal hard drives

Seagate 80GB 3.5 vs Seagate Cheetah ST3146855LC-RFB internal hard drive

25specifications compared
14differ
11identical
7known for one product only

Key differences

HDD capacity
- 80GB 3.5:80 GB
- Cheetah ST3146855LC-RFB internal hard drive:146.8 GB
HDD speed
- 80GB 3.5:7200 RPM
- Cheetah ST3146855LC-RFB internal hard drive:15000 RPM
Interface
- 80GB 3.5:Serial ATA II
- Cheetah ST3146855LC-RFB internal hard drive:Ultra320 SCSI
Storage drive buffer size
- 80GB 3.5:8 MB
- Cheetah ST3146855LC-RFB internal hard drive:16 MB
Read seek time
- 80GB 3.5:9.5 ms
- Cheetah ST3146855LC-RFB internal hard drive:3.5 ms
Write seek time
- 80GB 3.5:10.5 ms
- Cheetah ST3146855LC-RFB internal hard drive:4 ms
Average latency
- 80GB 3.5:4.16 ms
- Cheetah ST3146855LC-RFB internal hard drive:2 ms
Operating temperature (T-T)
- 80GB 3.5:0 - 60 °C
- Cheetah ST3146855LC-RFB internal hard drive:0 - 600 °C

Side by side

Differences highlightedShow differences only

Comparison of 80GB 3.5, ST3146855LC-RFB
32 specifications	A Seagate 80GB 3.5 View product	B Seagate Cheetah ST3146855LC-RFB internal hard drive Model ST3146855LC-RFB View product
Features7 differ
HDD capacityDiffers	80 GB	146.8 GB
HDD speedDiffers	7200 RPM	15000 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA II	Ultra320 SCSI
Type	HDD	HDD
Storage drive buffer sizeDiffers	8 MB	16 MB
HDD number of cylindersKnown for one	16383	Unknown — not stated by the source
Read seek timeDiffers	9.5 ms	3.5 ms
Write seek timeDiffers	10.5 ms	4 ms
Average latencyDiffers	4.16 ms	2 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
HDD number of headsKnown for one	Unknown — not stated by the source	4
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentKnown for one	2.6 A	Unknown — not stated by the source
Power consumption (typical)Known for one	Unknown — not stated by the source	14.2 W
Power consumption (idle)Known for one	Unknown — not stated by the source	9.6 W
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 60 °C	0 - 600 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating altitude	-60.96 - 3048 m	-60.96 - 3048 m
Non-operating altitude	-60.96 - 12192 m	-60.96 - 12192 m
Operating shockDiffers	63 G	60 G
Non-operating shockDiffers	350 G	250 G
Weight & dimensions3 differ
Width	101.6 mm	101.6 mm
DepthDiffers	147 mm	46 mm
HeightDiffers	26.1 mm	25.4 mm
WeightDiffers	580 g	771 g
Other features1 differ
Windows operating systems supported	Yes	Yes
Linux operating systems supported	Yes	Yes
Acoustic pressure emissionsDiffers	25 dB	32 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.

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