Product comparison · 2 internal hard drives

HP 80GB SATA NCQ SMART IV 3.5" 1st HDD vs Seagate Barracuda ES.2 1000GB 20pk

Key differences

HDD capacity
- 80GB SATA NCQ SMART IV 3.5" 1st HDD:80 GB
- Barracuda ES.2 1000GB 20pk:1 TB
Interface
- 80GB SATA NCQ SMART IV 3.5" 1st HDD:Serial ATA
- Barracuda ES.2 1000GB 20pk:SAS

Differences highlightedShow differences only

Comparison of 80GB SATA NCQ SMART IV 3.5" 1st HDD, Barracuda ES.2 1000GB 20pk
18 specifications	A HP 80GB SATA NCQ SMART IV 3.5" 1st HDD View product	B Seagate Barracuda ES.2 1000GB 20pk View product
Features2 differ
HDD capacityDiffers	80 GB	1 TB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
InterfaceDiffers	Serial ATA	SAS
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
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1200000 h
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Poweridentical
Start-up currentKnown for one	Unknown — not stated by the source	3 A
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
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	530 g
Other featuresidentical
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	0.27 dB
Compatible productsKnown for one	Compaq dc5800	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.