Product comparison · 2 internal hard drives

Dell 146GB SCSI 3.5" vs Seagate Constellation ST500NM0001 internal hard drive

Key differences

HDD capacity
- 146GB SCSI 3.5":146 GB
- Constellation ST500NM0001 internal hard drive:500 GB
HDD speed
- 146GB SCSI 3.5":15000 RPM
- Constellation ST500NM0001 internal hard drive:7200 RPM
Interface
- 146GB SCSI 3.5":Ultra320 SCSI
- Constellation ST500NM0001 internal hard drive:SAS
Component for
- 146GB SCSI 3.5":Laptop
- Constellation ST500NM0001 internal hard drive:Server/workstation

Differences highlightedShow differences only

Comparison of 146GB SCSI 3.5", ST500NM0001
21 specifications	A Dell 146GB SCSI 3.5"View product	B Seagate Constellation ST500NM0001 internal hard drive Model ST500NM0001 View product
Features4 differ
HDD capacityDiffers	146 GB	500 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Ultra320 SCSI	SAS
Component forDiffers	Laptop	Server/workstation
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	64 MB
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9.5 ms
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	6.76 W
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentKnown for one	Unknown — not stated by the source	1.93 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.8 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightKnown for one	Unknown — not stated by the source	26.1 mm
WeightKnown for one	Unknown — not stated by the source	610 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Internal	Yes	Yes
Drive device, transfer rateKnown for one	320 MB/s	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.