Found more details on E3-1230v5 CPU. It supports 64GB ram, 20 PCIe lanes, and rated at 80W max. Xeon D-1520 supports 128GB RAM, 32 PCIe lanes, rated at 45W max, and currently available at $199.
I want to build an all-in-one home server running ESXi 6 and a ZFS VM using vt-d pass-trough...