Seagate FIREBALL 3 30GB IDE FDB vs Seagate K HDFireball 3 20GB ATA133 540020pkbulk

Comparison of FIREBALL 3 30GB IDE FDB, K HDFireball 3 20GB ATA133 540020pkbulk

11 specifications	A Seagate FIREBALL 3 30GB IDE FDBView product	B Seagate K HDFireball 3 20GB ATA133 540020pkbulkView product
Features1 differ
HDD capacityDiffers	30 GB	20 GB
HDD speed	5400 RPM	5400 RPM
HDD size	3.5"	3.5"
Interface	Ultra-ATA/133	Ultra-ATA/133
Storage drive buffer sizeKnown for one	—Unknown — not stated by the source	2 MB
Average seek time	12 ms	12 ms
Average latencyKnown for one	—Unknown — not stated by the source	5.5 ms
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Weight & dimensionsidentical
Weight	509 g	509 g
Other featuresidentical
Dimensions (WxDxH)	102 x 147 x 17.5 mm	102 x 147 x 17.5 mm
Internal	Yes	Yes

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.