"This IDE hard drive is of the standard 3.5" inch drive bay variety and requires no extra cooling. IBM has six drives in it's 75GXP lineup. Entering at 15.3GB and expanding all the way to 75GB, the 15.3GB is the smallest of the group. The overall specifications are so similar in all six drives (except the 20GB model, which has 10GB per platter density) that all performance tests will be excruciatingly close across the spectrum."
FULL STORY @ TARGETPC (http://www.targetpc.com/hardware/storage/ibm75gxp/)