Specifacation
Chipset: Marvell 88SE9235 
Ports: 
4 Internal SATA 6Gb/s Ports 
Compliant with PCI-Express Specification v2.0 and Backward Compatible with PCI-Express 1x 
Compliant with Serial ATA Specification 3.0 
PCI-Express x2 Interface is Compatible with PCI-Express x4, x8, and x16 slots 
Supports Communication Speeds of 6.0 Gbps, 3.0 Gbps, and 1.5 Gbps 
Hot Plug and Hot Swap 
Supports Native Command Queue (NCQ) 
Supports Port Multiplier FIS Based Switching or Command Based Switching 
Compatible with SATA 6G, 3G and 1.5G Hard Drives

Package detail
Package Info 
Dimension: L 7 x W 5.5 x H 1.5 inch 
Weight: 0.38 lb 
UPC: 810154016853 
Package Includes 
SATA III 4-port PCI-e Version 2, x2 Slot Controller Card 
Driver CD 
19" SATA Cables (x2) 
Low Profile Bracket 
User Manual

Software requirement
Windows 8 
Windows 7 
Vista 
Windows XP 
Server 2008 
Server 2008 R2 
Server 2003 
Linux 2.6.x and Above (AHCI devices driver is a built-in feature)