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Serial Advanced Technology Attachment II (SATA II) is the second generation of computer bus interfaces used to connect motherboard host adapters to high-capacity storage devices, such as hard/optical/tape drives. SATA II is a successor to parallel Integrated Development Environment (IDE)/Advanced Technology Attachment (ATA) interface technologies, which ran at 3.0 Gbps - a throughput rate that nearly doubled the initial SATA specification. SATA II standard delivers additional improvements to SATA, which is provided in increments.
SATA II is also known as SATA 2 or SATA 2.0.
SATA II was introduced in 2002 to provide higher data transfer rates (DTR) for server and network storage requirements. Subsequent SATA II releases focused on enhanced cabling, failover capabilities and higher signal speeds.
SATA II features include:
In 2010, large quantities of SATA II interfaces were shipped in PCs and server chipsets.
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