Product comparison · 2 internal hard drives

Seagate DB35 Series ST3320820SCE-RF internal hard drive vs Seagate Cheetah ST336754SS-RF internal hard drive

11specifications compared
7differ
4identical
10known for one product only

Key differences

The Seagate DB35 Series ST3320820SCE-RF internal hard drive has 283.3 GB more HDD capacity than the Seagate Cheetah ST336754SS-RF internal hard drive (320 GB vs 36.7 GB). The Seagate Cheetah ST336754SS-RF internal hard drive has 7,800 RPM more HDD speed than the Seagate DB35 Series ST3320820SCE-RF internal hard drive (15000 RPM vs 7200 RPM). The Seagate DB35 Series ST3320820SCE-RF internal hard drive has 0.9 mm more depth than the Seagate Cheetah ST336754SS-RF internal hard drive (147 mm vs 146.1 mm). Interface: Ultra-ATA/100 on the Seagate DB35 Series ST3320820SCE-RF internal hard drive, SAS on the Seagate Cheetah ST336754SS-RF internal hard drive. Operating temperature (T-T): 0 - 60 °C on the Seagate DB35 Series ST3320820SCE-RF internal hard drive, 5 - 55 °C on the Seagate Cheetah ST336754SS-RF internal hard drive.

HDD capacity
- DB35 Series ST3320820SCE-RF internal hard drive:320 GB
- Cheetah ST336754SS-RF internal hard drive:36.7 GB
HDD speed
- DB35 Series ST3320820SCE-RF internal hard drive:7200 RPM
- Cheetah ST336754SS-RF internal hard drive:15000 RPM
Interface
- DB35 Series ST3320820SCE-RF internal hard drive:Ultra-ATA/100
- Cheetah ST336754SS-RF internal hard drive:SAS
Operating temperature (T-T)
- DB35 Series ST3320820SCE-RF internal hard drive:0 - 60 °C
- Cheetah ST336754SS-RF internal hard drive:5 - 55 °C
Depth
- DB35 Series ST3320820SCE-RF internal hard drive:147 mm
- Cheetah ST336754SS-RF internal hard drive:146.1 mm
Height
- DB35 Series ST3320820SCE-RF internal hard drive:26.1 mm
- Cheetah ST336754SS-RF internal hard drive:25.4 mm
Weight
- DB35 Series ST3320820SCE-RF internal hard drive:580 g
- Cheetah ST336754SS-RF internal hard drive:680 g

Side by side

Differences highlightedShow differences only

Comparison of ST3320820SCE-RF, ST336754SS-RF
21 specifications	A Seagate DB35 Series ST3320820SCE-RF internal hard drive Model ST3320820SCE-RF View product	B Seagate Cheetah ST336754SS-RF internal hard drive Model ST336754SS-RF View product
Features3 differ
HDD capacityDiffers	320 GB	36.7 GB
HDD speedDiffers	7200 RPM	15000 RPM
InterfaceDiffers	Ultra-ATA/100	SAS
Storage drive buffer sizeKnown for one	8 MB	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	8
Read seek timeKnown for one	Unknown — not stated by the source	3.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	4 ms
Average latencyKnown for one	Unknown — not stated by the source	2 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Non-operating shockKnown for one	300 G	Unknown — not stated by the source
Weight & dimensions3 differ
DepthDiffers	147 mm	146.1 mm
HeightDiffers	26.1 mm	25.4 mm
WeightDiffers	580 g	680 g

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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