ASUS PRIME Z590-V-SI LGA 1200 4DDR4 up to 128GB PCIe M.2 SATA 6xUSB 3.0 4xUSB 2.0ASUS PRIME Z590 V SI LGA1200 ASUS PRIME Z590 V SI LGA 1200 4DDR4 up to 128GB PCIe M. 2 SATA 6xUSB 3. 0 4xUSB 2. 0 Intel Z590 Express LGA1200 ATX 3xPCI Express 3. 0 1x 1xPCI Express 3. 0 4x 1xPCI Express 4. 0 16x 3xM. 2 DDR4 5133 5000 4800 4700 4600 4500 4400 4266 4133 4000 3866 3733 3600 3466 3400 3333 3200 3000 2933 2800 2666 2400 2133 MHz Memory slots 4 1xHDMI 1xDisplayPort 2xAudio In 3xAudio Out 2xUSB 2. 0 1xUSB type C 3xUSB 3. 2 1xPS 2 1xOptical S