The Digidesign PCIe-to-PCIe Expansion Chassis 4U rack-mount system works with Apple Mac Pro computers running Mac OS X 10.5.3 (Leopard), offers seven available PCIe (PCI Express) slots, and comes with a PCIe host interface card to expand the capabilities of your system.
Digidesign PCIe-To-PCIe Expansion Chassis (code 57545)
Expand A PCIe-Based Pro Tools|HD System With Up To Seven DSP Cards.
£2,360.00 (inc vat)