CREATE TABLE table_name_82 (processors_supported VARCHAR(255), pci_express VARCHAR(255), model VARCHAR(255))
Which processors are supported with a PCI-express of x16: 1 slot x1: 4 slots and the nforce 550 model?
    
SQL: SELECT processors_supported FROM table_name_82 WHERE pci_express = "x16: 1 slot x1: 4 slots" AND model = "nforce 550"