This board does not use a standard 24-pin ATX power connector. It uses a proprietary HP 6-pin main power connector and a 4-pin CPU power connector. To use a standard aftermarket power supply (PSU), you will need a specialized 24-pin to 6-pin adapter cable .
: Core i7-4790 (4 cores, 8 threads, up to 4.0 GHz). Memory (RAM) : Slots : 4 DIMM slots. Type : Dual-channel DDR3 or DDR3L (unbuffered). Maximum Capacity : Up to 32 GB total. Speed : Supports speeds up to 1600 MT/s . Expansion Slots : Two PCIe x16 slots (one typically wired as x4). One PCIe x1 slot. hewlett-packard 18e7 motherboard specs
: It typically includes one PCIe x16 slot for dedicated graphics and multiple PCIe x1 slots for expansion cards. This board does not use a standard 24-pin