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Time to move on to the actual topic of the review, that is the IBM 60GXP vs. the Maxtor D740X-6L. Both drives are running at 7200 rpm. The individual data sheets are available here:

Maxtor D740X data sheet

IBM 60GXP data sheet

IBM 60GXP

The 60GXP uses 20GB platters or disks with 10 GB storage capacity / side. In other words, a 20 GB drive uses a single platter with two heads, the 40 and 60 GB versions are using 2 or 3 platters with 4 and 6 heads, respectively. Like the 75GXP series and the newer 120GXPs, the 60GXP uses glass media (disks) for smoother and lower wear surfaces. Ceramic drive spindles are used to reduce noise and in combination with a trilaminate cover manage to reduce the noise emission in idle state to 3.1 Bel for the 60 GB model.

IBM 60GXP, 20 GB model. All possible jumper settings are listed above the 40 pin connector.

Doing the back-flip

The 60GXP uses a 2 MB data buffer for UATA/100 performance. This 2 MB buffer uses advanced buffer management and hardware assisted caching to streamline data transfer. In addition, more servo pulses help ensure faster and more accurate head positioning to reduce head settling time. The IBM Deskstar 60GXP also supports Tagged Command Queuing and Rotational Position Optimization to further enhance throughput for data-intensive Windows NT and UNIX-based applications, we'll see some of that in the benchmarks.

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