HDDs are otherwise too sluggish to want something quicker than a 3Gbps SATA port. We suggest sound cards to anybody with midway first rate headphones and speakers, so we’re going to put in one. The process is similar to what we went by way of with the graphics card, besides enlargement playing cards are typically single-slot affairs. We’re going to make use of Asus’ Xonar DG sound card, which has an old-school PCI interface. The connector on the underside edge of the card is nearly so long as a PCIe x16 interface, however it’s keyed differently and can’t be inserted into the identical slot.