bus interface
bus symtem sata
Serial ATA (SATA) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives, optical drives, and solid-state drives.
These are different and unrelated terms. SATA is a bus for connecting data storage devices to a motherboard. DDR is a type of memory.
SATA
The data bus carries the information from various peripheral devices to the processor, and from the processor to the devices. For example, a running game loads from the hard drive over the SATA or IDE bus, then the CPU processes the data, and sends it to the graphics bus, which displays it on your monitor
It wouldn't be a SATA motherboard if you couldn't connect SATA drives to it.
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The Sata II is has a transfer speed that is two times as fast as the original Sata. The Sata has a communication speed of 1.5 Gbit/s while the Sata II is 3.0 Gbit/s.
Ø SATA I- 1.5 Gb/sec, SATA II- 3 Gb/sec and SATA III- 6 Gb/sec
SATA 3 is backwards compatible, it means you connect it the same way as SATA 1.
Its faster