Product comparison · 2 internal hard drives

Seagate Performance 15K 300GB vs Seagate ST1800MM0128, 40PK

Key differences

HDD capacity
- Performance 15K 300GB:300 GB
- ST1800MM0128, 40PK:1.8 TB
HDD speed
- Performance 15K 300GB:15000 RPM
- ST1800MM0128, 40PK:10000 RPM
Type
- Performance 15K 300GB:HDD
- ST1800MM0128, 40PK:Hybrid-HDD
Storage drive buffer size
- Performance 15K 300GB:256 MB
- ST1800MM0128, 40PK:128 MB
HDD number of heads
- Performance 15K 300GB:2
- ST1800MM0128, 40PK:8
Power consumption (typical)
- Performance 15K 300GB:6.9 W
- ST1800MM0128, 40PK:7.8 W
Power consumption (idle)
- Performance 15K 300GB:4.7 W
- ST1800MM0128, 40PK:4.55 W
Non-operating vibration
- Performance 15K 300GB:2.4 G
- ST1800MM0128, 40PK:3 G

Differences highlightedShow differences only

Comparison of Performance 15K 300GB, ST1800MM0128, 40PK
28 specifications	A Seagate Performance 15K 300GB View product	B Seagate ST1800MM0128, 40PK View product
Features5 differ
HDD capacityDiffers	300 GB	1.8 TB
HDD speedDiffers	15000 RPM	10000 RPM
TypeDiffers	HDD	Hybrid-HDD
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Storage drive buffer sizeDiffers	256 MB	128 MB
Hybrid-HDD cache memoryKnown for one	Unknown — not stated by the source	32 GB
HDD number of headsDiffers	2	8
Average latencyKnown for one	Unknown — not stated by the source	2.9 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
HDD interface transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	6.9 W	7.8 W
Power consumption (idle)Differs	4.7 W	4.55 W
Operational conditions1 differ
Non-operating vibrationDiffers	2.4 G	3 G
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	69.8 mm	70.1 mm
WeightDiffers	225 g	199 g
Packaging contentidentical
Storage drive adapter includedKnown for one	No	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.