Actually both setups are possible. Sometimes vendors put the Tesla PCIe cards in a separate chassis, and link the chassis to the host via a PCIe cable, eg.: ht

Actually both setups are possible. Sometimes vendors put the Tesla PCIe cards in a separate chassis, and link the chassis to the host via a PCIe cable, eg.: http://www.dell.com/us/business/p/poweredge-c410x/pd http://www.dell.com/us/business/p/poweredge-c410x/pd