Product comparison · 2 internal hard drives

Seagate 500Gb Barracuda vs Seagate Cheetah ST3146756SS internal hard drive

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

Key differences

HDD capacity
- 500Gb Barracuda:500 GB
- Cheetah ST3146756SS internal hard drive:146 GB
HDD speed
- 500Gb Barracuda:7200 RPM
- Cheetah ST3146756SS internal hard drive:15000 RPM
Interface
- 500Gb Barracuda:Serial ATA II
- Cheetah ST3146756SS internal hard drive:SAS
Read seek time
- 500Gb Barracuda:8.5 ms
- Cheetah ST3146756SS internal hard drive:3.4 ms
Write seek time
- 500Gb Barracuda:9.5 ms
- Cheetah ST3146756SS internal hard drive:3.9 ms
Average latency
- 500Gb Barracuda:4.16 ms
- Cheetah ST3146756SS internal hard drive:2 ms
Operating temperature (T-T)
- 500Gb Barracuda:0 - 60 °C
- Cheetah ST3146756SS internal hard drive:5 - 55 °C
Storage temperature (T-T)
- 500Gb Barracuda:40 - 70 °C
- Cheetah ST3146756SS internal hard drive:-40 - 70 °C

Side by side

Differences highlightedShow differences only

Comparison of 500Gb Barracuda, ST3146756SS
34 specifications	A Seagate 500Gb Barracuda View product	B Seagate Cheetah ST3146756SS internal hard drive Model ST3146756SS View product
Features6 differ
HDD capacityDiffers	500 GB	146 GB
HDD speedDiffers	7200 RPM	15000 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA II	SAS
Storage drive buffer sizeKnown for one	16 MB	Unknown — not stated by the source
Read seek timeDiffers	8.5 ms	3.4 ms
Write seek timeDiffers	9.5 ms	3.9 ms
Average latencyDiffers	4.16 ms	2 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1600000 h
Poweridentical
Power consumption (typical)Known for one	8 W	Unknown — not stated by the source
Power consumption (idle)Known for one	5 W	Unknown — not stated by the source
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentKnown for one	Unknown — not stated by the source	4.06 A
Operational conditions4 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °C
Storage temperature (T-T)Differs	40 - 70 °C	-40 - 70 °C
Operating shockDiffers	70 G	25 G
Non-operating shockDiffers	350 G	300 G
Weight & dimensions4 differ
WidthDiffers	101.6 mm	147 mm
DepthDiffers	147 mm	101.8 mm
HeightDiffers	20 mm	26.1 mm
WeightDiffers	415 g	674 g
Other featuresidentical
Ethernet LANKnown for one	No	Unknown — not stated by the source
Fibre ChannelKnown for one	No	Unknown — not stated by the source
FireWire 400Known for one	No	Unknown — not stated by the source
FireWire 800Known for one	No	Unknown — not stated by the source
Internal	Yes	Yes
Maximum data transfer rateKnown for one	3000 Mbit/s	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
USB poweredKnown for one	No	Unknown — not stated by the source
Sustained data rateKnown for one	125 MB/s	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	2.5 dB	Unknown — not stated by the source
Drive device, transfer rateKnown for one	Unknown — not stated by the source	300 MB/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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