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Sustained Transfer Rates

(33.3MHz PCI Speed)

 


(35MHz PCI Speed)

 

Windows 98SE Transfer Rates

15.3GB IBM------> 632MB/100sec=6.32MB/s
30.7GB Maxtor--> 632MB/113sec=5.59MB/s

Results

Notice that the peak burst speeds are far from ATA66 or ATA100 specs. This is due to the HighPoint 368 controller on the Iwill VD133Pro that can be used in a RAID array. When better drivers and/or BIOS updates arrive, this peak speed should hit nearer to the theoretical maximum of 66MB/s. Notice the slight increase in peak speeds when the PCI bus was overclocked. Sustained transfer rates were unaffected.

While fiddling with transfer rates, I decided to touch on overclockability. Previous IBM drives were known to be very overclockable (pushing the PCI bus to speeds above 33.3MHz). The 75GXP was run with 100% stability at PCI bus speeds from 29MHz to 37MHz.

The IBM 75GXP series of drives are the fastest IDE models I've tested to date, with an STR exceeding 35MB/s in the first GB of HD space. This will be efficiently utilized when selecting a fixed swapfile and placing it at the front of the first platter.

Noise hasn't been much of an issue with hard drives of late and the 75GXP series I consider to be unusually quiet. Emitting only a soft high frequency tinkling sound, it does it's job without the familiar "chunking" sound when defragmenting.

Conclusion

Selling on the web for under $110, the IBM 75GXP 15.3GB 7200 RPM hard drive is a great choice for all your high performance storage needs. Sporting sustained transfer rates exceeding 37MB/s and an overall average of nearly 29MB/s, this single platter solution runs warm to the touch and is also quiet. Overclockers can use this drive with all sorts of oddball bus speeds. Combine the aforementioned traits with IBM's excellent reliability record and customer service and you wind up with a product that is easily a best in class recommendation.

William Yaple
06/30/00





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