Product comparison · 2 internal hard drives

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

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

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
InterfaceDiffers	Serial ATA II	Ultra320 SCSI
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
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
Operating shockDiffers	63 G	60 G
Non-operating shockDiffers	350 G	250 G
Weight & dimensions3 differ
DepthDiffers	147 mm	46 mm
HeightDiffers	26.1 mm	25.4 mm
WeightDiffers	580 g	771 g
Other features1 differ
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.