32R2881 - IBM PCI-x Riser Card for System x3550 32R2881 - IBM PCI-x Riser Card for System x3550 $91.75
32R2883 - IBM PCI-Express Riser Card for System x3550 32R2883 - IBM PCI-Express Riser Card for System x3550 $91.75
00J6145 - IBM PCI Express Riser Card for System X3550 M4 00J6145 - IBM PCI Express Riser Card for System X3550 M4 $103.50
94Y7591 - IBM PCI-Express Riser Card GEN3 X16 for System x3550 M4 94Y7591 - IBM PCI-Express Riser Card GEN3 X16 for System x3550 M4 $147.20
69Y4920 - IBM PCI Riser Card Assembly for System x3755 M3 69Y4920 - IBM PCI Riser Card Assembly for System x3755 M3 $113.85