Product comparison · 2 internal hard drives

Seagate HD DiamondMax Plus9 vs Seagate K HDFb3 40GBATA133 5400Fluid 25pk bulk

Key differences

HDD capacity
- HD DiamondMax Plus9:80 GB
- K HDFb3 40GBATA133 5400Fluid 25pk bulk:40 GB
HDD speed
- HD DiamondMax Plus9:7200 RPM
- K HDFb3 40GBATA133 5400Fluid 25pk bulk:5400 RPM
Average latency
- HD DiamondMax Plus9:4.2 ms
- K HDFb3 40GBATA133 5400Fluid 25pk bulk:5.5 ms
Operating temperature (T-T)
- HD DiamondMax Plus9:5 - 55 °C
- K HDFb3 40GBATA133 5400Fluid 25pk bulk:5 - 60 °C
Weight
- HD DiamondMax Plus9:630 g
- K HDFb3 40GBATA133 5400Fluid 25pk bulk:590 g
Dimensions (WxDxH)
- HD DiamondMax Plus9:101.6 x 147 x 26.1 mm
- K HDFb3 40GBATA133 5400Fluid 25pk bulk:102 x 147 x 17.5 mm

Differences highlightedShow differences only

Comparison of HD DiamondMax Plus9, K HDFb3 40GBATA133 5400Fluid 25pk bulk
16 specifications	A Seagate HD DiamondMax Plus9 View product	B Seagate K HDFb3 40GBATA133 5400Fluid 25pk bulk View product
Features3 differ
HDD capacityDiffers	80 GB	40 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD number of headsKnown for one	Unknown — not stated by the source	16
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Average latencyDiffers	4.2 ms	5.5 ms
Access timeKnown for one	9.3 ms	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 55 °C	5 - 60 °C
Weight & dimensions1 differ
WeightDiffers	630 g	590 g
Other features1 differ
Power requirementsKnown for one	Unknown — not stated by the source	+5V, +12V
Dimensions (WxDxH)Differs	101.6 x 147 x 26.1 mm	102 x 147 x 17.5 mm
Special featuresKnown for one	Quiet Drive Technology, 100 % FDB (fluid dynamic bearing) motors, Maxtor Shock Protection System, Maxtor Data Protection System.	Unknown — not stated by the source

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.