All Raptor hard drives are 16mb versions. Machine specs in signature...
74gb Raptor, connected to motherboard
transfer min: 2.3 mb/s
transfer max: 83.4 mb/s
transfer avg: 70.0 mb/s
access time: 8.1 ms
burst rate: 115.7 mb/s
CPU usage: 2.7%
2 x 150gb Raptor, RAID 0 connected to Areca ARC-1220 RAID controller
transfer min: 98.0 mb/s
transfer max: 165.2 mb/s
transfer avg: 141.6 mb/s
access time: 8.0 ms
burst rate: 461.6 mb/s
CPU usage: 3.8%
4 x 400gb Western Digital RE2, RAID 5 connected to Areca ARC-1220 RAID controller
transfer min: 77.3 mb/s
transfer max: 170.2 mb/s
transfer avg: 138.2 mb/s
access time: 12.8ms
burst rate: 489.9 mb/s
CPU usage: 3.3%
74gb Raptor, connected to motherboard
transfer min: 2.3 mb/s
transfer max: 83.4 mb/s
transfer avg: 70.0 mb/s
access time: 8.1 ms
burst rate: 115.7 mb/s
CPU usage: 2.7%
2 x 150gb Raptor, RAID 0 connected to Areca ARC-1220 RAID controller
transfer min: 98.0 mb/s
transfer max: 165.2 mb/s
transfer avg: 141.6 mb/s
access time: 8.0 ms
burst rate: 461.6 mb/s
CPU usage: 3.8%
4 x 400gb Western Digital RE2, RAID 5 connected to Areca ARC-1220 RAID controller
transfer min: 77.3 mb/s
transfer max: 170.2 mb/s
transfer avg: 138.2 mb/s
access time: 12.8ms
burst rate: 489.9 mb/s
CPU usage: 3.3%