| |
WD360GD
3+1 RAID-5 |
WD1200JB |
13G0252 |
QML20000LD-A |
AC24300 |
| Capacity (GB) |
103 |
120 |
82 |
20.4 |
4.3 |
| Company |
Western
Digital |
Western
Digital |
Hitachi |
Quantum |
Western
Digital |
| Name |
Raptor |
Caviar |
Deskstar |
Fireball |
Caviar |
| Interface |
SATA 150 |
ATA-100 |
SATA-150 |
ATA-100 |
ATA-33 |
| RPM |
10000 |
7200 |
7200 |
4500 |
5400 |
| Cache (kB) |
8192 |
8192 |
8192 |
128 |
256 |
| Drive Index (kB/s) |
50,004 |
30,681 |
30,261 |
14,459 |
4,859 |
| Buffered Read (MB/s) |
111 | 89 |
114 | 5 | 30 |
| Sequential Read (MB/s) |
79 | 46 |
46 | 21 | 6 |
| Random Read (MB/s) |
16 | 6 |
6 | 4 | 2.8 |
| Buffered Write (MB/s) |
53 | 90 |
100 | 5 | 6 |
| Sequential Write (MB/s) |
43 | 43 |
41 | 20 | 4 |
| Random Write (MB/s) |
9 | 12 |
6 | 4 | 2.5 |
Average Access
Time (ms est.) |
3 | 9 |
9 | 11 | 13 |
System configuration details are on the next page. Additional benchmarks of RAID-0 are on page 26.
|