PCI riser card options
Part number/Feature code/Description/Maximum supported
69Y5321 A1JT / A1JU* x3650 M4 PCIe Riser Card (3 x8 PCIe slots)(one included in standard models in Riser socket 1) 2
69Y5322 A1JP / A1JQ* x3650 M4 PCIe Riser Card (1 x16 + 1 x8 PCIe slots) 2
81Y6843 A1JR / A1JS* x3650 M4 PCIX Riser Card (2 PCIX + 1 x16 PCIe slots) 2
90Y5085 A3L2 / A3A1* x3650 M4 PCIe Riser Card 2 (1 x16 for GPU + 1 x8 FH/HL Slots) 2