CTNews brengt ons een review van de IBM 22GXP, een 7200rpm harddisk met een flinke buffer van 2MB en een opslagcapaciteit van dik 13 gieg. Hieronder wat meer info over de schijf:
Does the UDMA/66 interface make a difference or not? After looking at the benchmarks we can tell that it does transfer data at up to twice the speeds of UDMA/33 drives.Further proof of the UDMA/66's speed is in 'Read Bust Speed.' This IBM drive almost hits the theoretical limits of UDMA/33 and UDMA/66. Even though the UDMA/66 mode has a slightly higher CPU utilization, it's safe to say that with most of today's faster CPU's we don't see any performance hit from the Hard Drive's end of it. A difference of an extra 5 - 6% in CPU utilization is smacked down by a doubling in the transfer rates between devices. And having a 2MB bugger doesn't hurt at all.
After testing the little brother, the 14.4 Gig IBM drive that was '98 champ, we see smaller drops in read accessing. The downward spikes show this on the HD Tach 2.60 scales. Each time a drive has a vast downward spike it is nearing its maximum capacity to transfer data without running out of buffer zone area or it is reaching it's bandwidth limits. With UDMA/66 you don't see this happening as often or as deeply as you do in UDMA/33 drives.
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