The SATA IDE adaptor attaches to the back of all ATAPI. ATA 133. 100. 66. 33. EIDE and IDE storage devices (such as a Hard Drive. DVD. DVD Writer. CD-ROM. CD Writer etc) and allows the device to become compliant with Serial ATA Host devices.- Serial ATA - 1.5 Gbps (150 MB/s)- Compliant with Serial ATA 1.0 Specification- Supports 48-bit LBA (Large Disk). hard drives larger than 137 GB- Supports spread spectrum clocking to reduce EMI- Compatible with all EIDE and IDE Devices