I looked on HP's website and the HP xw4600 Workstation works with the Intel X38 Express chipset that was released back in 2007 and that it is not fully compatible with Windows* 10, it is currently discontinued:
I looked on HP's website and the HP xw4600 Workstation works with the Intel X38 Express chipset that was released back in 2007 and that it is not fully compatible with Windows* 10, it is currently discontinued: