81Y7283 - IBM Riser Card with Bracket for System x3550 M4 81Y7283 - IBM Riser Card with Bracket for System x3550 M4 $118.28
00J6145 - IBM PCI Express Riser Card for System X3550 M4 00J6145 - IBM PCI Express Riser Card for System X3550 M4 $103.50
94Y6719 - IBM Universal Slide Rail Kit for System x3550 M4 94Y6719 - IBM Universal Slide Rail Kit for System x3550 M4 $162.00
94Y8309 - IBM / Lenovo 750-Watts Power Supply for System x3550 M4 94Y8309 - IBM / Lenovo 750-Watts Power Supply for System x3550 M4 $185.47
90Y5088 - IBM 3.5-inch Hot-Pluggable Backplane for System x3550 M4 90Y5088 - IBM 3.5-inch Hot-Pluggable Backplane for System x3550 M4 $116.00
00J6144 - IBM Front Dual Port USB Assembly for System x3550 M4 00J6144 - IBM Front Dual Port USB Assembly for System x3550 M4 $95.96