Unlike DDR2, the HIG41UATX Rev 11 uses DDR3 with a 1.5V supply. The schematic shows: hig41uatx rev 11 schematic

The board layout is optimized for compact "uATX" cases and includes: Unlike DDR2, the HIG41UATX Rev 11 uses DDR3 with a 1

Because this is an older board, it is frequently used today for retro gaming builds hig41uatx rev 11 schematic