Main Board XFWHV for 1PC 660S / 270S — B75 Chipset, USB3.0, HDMI, 478VN

Replacement main board XFWHV designed for 1PC 660S and 270S models. Built around the B75 chipset and featuring USB 3.0 connectivity and an HDMI output. Board marking: 478VN (XFWHV). Suitable as a direct spare or replacement main board for the specified 660S/270S units.