Harddisk Compare
| Model | Deskstar 37GP | Deskstar 40GV | Deskstar 34GXP | Deskstar 75GXP | Quantum Plus LM | Quantum Plus AS | Maxtor Plus40 | Maxtor Plus45 |
| DPTA-353750/ 353000/ 352250/ 351500 | DTLA-305040/305030/ 305020 |
DPTA-373420/ 372730/ 372050/ 371360 | DTLA-307075/307060/ 307045/307030/ 307020/307015 |
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| Interface | UDMA-66 | UDMA-100 | UDMA-66 | UDMA-100 | UDMA-66 | UDMA100 | UDMA66/100 | UDMA100 |
| Capacity (GB) | 37.5/ 30.0/ 22.5/ 15.0 | 40/30/20 | 34.2/ 27.3/ 20.5/ 13.6 | 75/60/45/30/20/15 | 30/20.5/15/10.2 | 60/40/30/20.5/10.2 | 40/30/20/15/10 | 45/30/20.5/15 |
| Sector size (bytes) | 512 | 512 | 512 | 512 | 512 | 512 | 512 | 512 |
| Recording zone | 12 | 15 | 12 | 15 | 16 | 16 | ||
| User cylinders (physical) | 17,688 | 34,326 | 17,494 | 27,724 | ||||
| Data heads (physical) | 10/ 8/ 6/ 4 | 4/3/2 | 10/ 8/ 6/ 4 | 10/8/6/4/3/2 | 6/4/3/2 | 6/4/3/2/1 | 8/6/4/3/2 | 6/4/3/2 |
| Data disks | 5/ 4/ 3/ 2 | 2/2/1 | 5/ 4/ 3/ 2 | 5/4/3/2/2/1 | 3/2/2/1 | 3/2/2/1 | 4/3/2/2/1 | 3/2/2/1 |
| Max. areal density (Mbits/sq. inch) | 5,306 | 14,500 | 5,154 | 11,000 | ||||
| Max. recording density (BPI) | 287,000 | 415,000 | 282,000 | 391,000 | 354,000 | |||
| Track density (TPI) | 18,500 | 35,000 | 18,300 | 28,350 | 19,700 | |||
| Platter Density(GB/Platter) | 7.5 | 20 | 10 | 15 | 10 | 20 | 10.2 | 15.4 |
| Data buffer | 2 MB/ 512 KB | 512 KB | 2 MB | 2 MB | 2MB | 2MB | 2MB | 2MB |
| Rotational speed (RPM) | 5400 | 5400 | 7200 | 7200 | 7200 | 7200 | 7200 | 7200 |
| Latency (average ms) | 5.56 | 5.56 | 4.17 | 4.17 | 4.17 | 4.17 | 4.17 | 4.17 |
| Media transfer rate (max Mbits/sec) |
248 | 372 | 284 | 444 | ||||
| Interface transfer rate (max MByte/sec) | 66.7 | 100 | 66.7 | 100 | 66.7 | 100 | 66.7/100 | 100 |
| Sustained data rate (MByte/sec) | 19.9 to 10.7 | Max 32 | 22.9 to 13.8 | Max 37 | Max 25 | Max 43 | Max 43.2 | Max 49.5 |
| Average (ms) | 9.0 (äÁè¹èÒàª×èÍ) | 9.5 | 9.0 | 8.5 | 8.5 | 8.5 | <9.0 | <8.7 |
| Track-to-track (ms) | 2.2 | 1.6 | 2.2 | 1.2 | 0.8 | 0.8 | 1.0 | 1.0 |
| Full-track (ms) | 15.5 | 16.0 | 15.5 | 15.0 | 15.0 | 17.0 | <20.0 | <20.0 |