Product comparison · 2 internal hard drives

HP 500GB, SATA, 3G, NCQ, 7200 rpm vs Seagate K HDFireball 3 20GB ATA133 540020pkbulk

6specifications compared
4differ
2identical
9known for one product only

Key differences

The HP 500GB, SATA, 3G, NCQ, 7200 rpm has 480 GB more HDD capacity than the Seagate K HDFireball 3 20GB ATA133 540020pkbulk (500 GB vs 20 GB). The HP 500GB, SATA, 3G, NCQ, 7200 rpm has 1,800 RPM more HDD speed than the Seagate K HDFireball 3 20GB ATA133 540020pkbulk (7200 RPM vs 5400 RPM). The HP 500GB, SATA, 3G, NCQ, 7200 rpm has 14 MB more storage drive buffer size than the Seagate K HDFireball 3 20GB ATA133 540020pkbulk (16 MB vs 2 MB). Interface: Serial ATA II on the HP 500GB, SATA, 3G, NCQ, 7200 rpm, Ultra-ATA/133 on the Seagate K HDFireball 3 20GB ATA133 540020pkbulk.

HDD capacity
- 500GB, SATA, 3G, NCQ, 7200 rpm:500 GB
- K HDFireball 3 20GB ATA133 540020pkbulk:20 GB
HDD speed
- 500GB, SATA, 3G, NCQ, 7200 rpm:7200 RPM
- K HDFireball 3 20GB ATA133 540020pkbulk:5400 RPM
Interface
- 500GB, SATA, 3G, NCQ, 7200 rpm:Serial ATA II
- K HDFireball 3 20GB ATA133 540020pkbulk:Ultra-ATA/133
Storage drive buffer size
- 500GB, SATA, 3G, NCQ, 7200 rpm:16 MB
- K HDFireball 3 20GB ATA133 540020pkbulk:2 MB

Side by side

Differences highlightedShow differences only

Comparison of 500GB, SATA, 3G, NCQ, 7200 rpm, K HDFireball 3 20GB ATA133 540020pkbulk
15 specifications	A HP 500GB, SATA, 3G, NCQ, 7200 rpm View product	B Seagate K HDFireball 3 20GB ATA133 540020pkbulk View product
Features4 differ
HDD capacityDiffers	500 GB	20 GB
HDD speedDiffers	7200 RPM	5400 RPM
InterfaceDiffers	Serial ATA II	Ultra-ATA/133
Storage drive buffer sizeDiffers	16 MB	2 MB
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Average latencyKnown for one	Unknown — not stated by the source	5.5 ms
TypeKnown for one	HDD	Unknown — not stated by the source
HDD interface transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
SMART technologyKnown for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	509 g
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	102 x 147 x 17.5 mm
InternalKnown for one	Unknown — not stated by the source	Yes
Data transfer rateKnown for one	3 Gbit/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.

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