Deskstar 40GV and 75GXP models
| Deskstar 40GV |
Interface |
Capacity (GB) |
RPM |
| DTLA-305010 |
Ultra ATA/100 |
10.27 |
5400 |
| DTLA-305020 |
Ultra ATA/100 |
20.57 |
5400 |
| DTLA-305030 |
Ultra ATA/100 |
30.73 |
5400 |
| DTLA-305040 |
Ultra ATA/100 |
41.17 |
5400 |
| Deskstar 75GXP |
Interface |
Capacity (GB) |
RPM |
| DTLA-307015 |
Ultra ATA/100 |
15.36 |
7200 |
| DTLA-307020 |
Ultra ATA/100 |
20.57 |
7200 |
| DTLA-307030 |
Ultra ATA/100 |
30.73 |
7200 |
| DTLA-307045 |
Ultra ATA/100 |
46.11 |
7200 |
| DTLA-307060 |
Ultra ATA/100 |
61.49 |
7200 |
| DTLA-307075 |
Ultra ATA/100 |
76.86 |
7200 |
| Deskstar 40GV to 75GXP comparison |
75GXP |
40GV |
| Data transfer rate (buffer to/from media) |
444 Mbps |
372 Mbps |
| Interface transfer rate (host to/from buffer) |
up to 100 Mbyte/sec |
| Data buffer size (see note) |
2048 KB |
512 KB |
| Recording density (Kbpi) |
391 |
415 |
| Track density (Ktpi) |
28.35 |
35.0 |
| Areal density (Gbits/square inch) |
11 |
14.5 |
Note: Upper 132K used by firmware. |
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