.... However, exactly how these are all wired up to your system will be important. Can you give us a better idea what type of system you are planning on shoving this all into?
Hi Krevnik, Thanks for taking an interest, much appreciated

Due to some rock star advice from
nanofrog, and real world photoshop testing provided by
honomaui, I'm planning the following upgrades.
Mac Pro Hex Core 3.33ghz
use : pro retouching, illustration, 3d
32GB
1333MHz DDR3 EEC SDRAM ,,, $1,192
Areca 1880x raid card ,,,$780
Optical 1
the shipped with dvd tray
Optical 2
empty
Internal 1
boot & apps
1x the factory 1TB HD apple drive
Internal 2, 3, 4
raid 0 photoshop scratch
3x 40GB owc extreme pro ssd ,,, $330
3x icy dock ,,, $60
PCIe slot 1
empty
PCIe slot 2
empty
8 Bay External
working jobs, raid 6
sans digital 8 bay port multiplier tower ,,, $390
newertech pm esata card ,,, $80.00
8x western digital re3 hard drives ,,, $1040
4 Bay External
8TB back up
sans digital, 4 bay pm tower ,,, $130
7TB, jbod, for time machine
1TB partition for bootable clone
4x 2TB western digital green ,,, $520
Hope this might help determine if there is a faster SSD than the 40GB owc in this particular configuration.