... :Compliant with PCI-Express Specification v2.0 and Backward Compatible with PCI-Express 1x4 Internal SATA ... x8, and x16 slotsSupports Communication Speeds of 6.0 Gbps, 3.0 Gbps, and 1.5 GbpsHot Plug and Hot ... Size: 32K, 64K)RAID 1-Disk MirroringRAID 10-Stripe of Mirrors (Stripe Size: 32K, 64K)HyoperDuo Safe ( ... , x2 Slot Controller Card, HyperDuo, Software RAID, with Full and Low Profile Brackets