Product comparison · 2 internal hard drives

Dell 146GB, SAS, 15k RPM, 2.5" vs Seagate Desktop HDD ST3750640NS-RF internal hard drive

5specifications compared
5differ
0identical
17known for one product only

Key differences

The Seagate Desktop HDD ST3750640NS-RF internal hard drive has 604 GB more HDD capacity than the Dell 146GB, SAS, 15k RPM, 2.5" (750 GB vs 146 GB). The Dell 146GB, SAS, 15k RPM, 2.5" has 7,800 RPM more HDD speed than the Seagate Desktop HDD ST3750640NS-RF internal hard drive (15000 RPM vs 7200 RPM). The Seagate Desktop HDD ST3750640NS-RF internal hard drive has 1" more HDD size than the Dell 146GB, SAS, 15k RPM, 2.5" (3.5" vs 2.5"). Interface: SAS on the Dell 146GB, SAS, 15k RPM, 2.5", Serial ATA II on the Seagate Desktop HDD ST3750640NS-RF internal hard drive. Operating voltage: 5 V on the Dell 146GB, SAS, 15k RPM, 2.5", 5 / 12 V on the Seagate Desktop HDD ST3750640NS-RF internal hard drive.

HDD capacity
- 146GB, SAS, 15k RPM, 2.5":146 GB
- Desktop HDD ST3750640NS-RF internal hard drive:750 GB
HDD speed
- 146GB, SAS, 15k RPM, 2.5":15000 RPM
- Desktop HDD ST3750640NS-RF internal hard drive:7200 RPM
HDD size
- 146GB, SAS, 15k RPM, 2.5":2.5"
- Desktop HDD ST3750640NS-RF internal hard drive:3.5"
Interface
- 146GB, SAS, 15k RPM, 2.5":SAS
- Desktop HDD ST3750640NS-RF internal hard drive:Serial ATA II
Operating voltage
- 146GB, SAS, 15k RPM, 2.5":5 V
- Desktop HDD ST3750640NS-RF internal hard drive:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of 146GB, SAS, 15k RPM, 2.5", ST3750640NS-RF
22 specifications	A Dell 146GB, SAS, 15k RPM, 2.5"View product	B Seagate Desktop HDD ST3750640NS-RF internal hard drive Model ST3750640NS-RF View product
Features4 differ
HDD capacityDiffers	146 GB	750 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA II
TypeKnown for one	Unknown — not stated by the source	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	16 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
Track to track seek timeKnown for one	Unknown — not stated by the source	0.8 ms
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Start-up currentKnown for one	Unknown — not stated by the source	2.8 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating shockKnown for one	Unknown — not stated by the source	63 G
Non-operating shockKnown for one	Unknown — not stated by the source	225 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.6 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	720 g
Packaging dataidentical
Quantity per packKnown for one	1 pc(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.

More internal hard drive comparisons

All internal hard drive comparisons