HP
717840-AA1
is compatible in the following HP Models:
HP t5740 Thin Client
HP T5740 THIN CLIENT - XF597PC
HP T5740 THIN CLIENT - XF598PC
HP T5740 THIN CLIENT - XQ911PS
HP T5740 THIN CLIENT - YJ103AV
Expansion Packs
HP T5740/T5745 PCI EXPRESS 4X/PCI EXPANSION MODULE - AZ551AA