HP 5061-4941 - Serial I/O board - Does NOT include firmware - Serial I/O Board - Does NOT Include Firmware (Same Board Used for 12007A/07B/42B/43B/73A/75A and 92A) Retail
HP C1705-69001 - Autochanger controller board - Does not include firmware - Autochanger Controller Board - Does Not Include Firmware - a PROM is Defective Order the Firmware kit Retail
HP A4856-69101 - PCI card cage assembly - Includes 12-slot I/O chassis, I/O board, I/O power board, and I/O backplane Retail
HP A4856AX - PCI card cage assembly 3.3/5.0V - Includes 12-slot I/O chassis, I/O board, I/O power board, and I/O backplane Retail