Over the past year, Serial ATA RAID has become one of the most popular checkbox features for core logic chipsets. The latest offerings from Intel, NVIDIA, SiS, and VIA all support Serial ATA RAID, but there can be a world of difference between feature support and real-world performance.

TR has been hard at work to find out which chipset offers the best single-drive, RAID 0, and RAID 1 performance with Serial ATA drives, the comparison round-up includes Intel's ICH5R, NVIDIA's nForce3 250Gb, SiS's SiS964, and VIA's VT8237, all put through a punishing gauntlet of disk subsystem and application tests.