2-Port-ExpressCard-Adapter-DX-ESATL Provides 2 e-SATA II Shielding Connectors Supports Serial ATA Generation II Transfer rate of 3.0 Gbps Supports 1-lane 2.5 Gbps ExpressCard/34 form factor Supports SATA II NCQ to maximize system performance Compliant with ExpressCard/34 size