There is total of eight Serial ATA connector on this motherboard. These four orange color Serial ATA connector support four native SATA2 3.0Gb/s devices. While the other four at the bottom is control by the Silicon Image.

The are a total of four memory slot on the GigaByte GA-K8N Ultra-9 motherboard. Each slot supports up to a 1GB memory module. With the integrated memory controller, this platform supports dual channel DDR266/333/400 memory architecture, and delivers a high capacity of 4GB memory and a high bandwidth up to 6.4GB/s to ensure greatest memory performance.

GigaByte GA-K8N Ultra-9 motherboard uses the nForce4 Ultra chipset.

The Northbridge uses a golden color aluminum heatsink. Too bad, it does not have any fan on it.