A6153-69010 | HP RX4610 I/O baseboard – Has 10 PCI slots (eight slots are 66MHz/64-bit hot plug and two slots are 33MHz/64-bit non-hot plug) – I/O baseboard – Has 10 PCI slots (eight slots are 66MHz/64-bit hot plug and two slots are 33MHz/64-bit non-hot plug) – Mounts | HP RX4610-4 Two Way 733MHz | PC BOARD |