Add two SATA II ports to any PCI Express enabled computer! Supporting SATA 300 (SATA II) hard drives and data transfer speeds of up to 3.0 Gbps, this dual port SATA II PCI Express card features Port Multiplier support with command based switching, and supports Native Command Queuing for optimized performance. PEXSATA22I includes both standard form factor and low profile brackets to ensure maximum compatibility with virtually any computer case form factor.