SAN FRANCISCO -- GizMac announced announced uts 25U RackPro Noise Reduction Enclosure at Macworld Expo on Wednesday. The cabinet is designed to hold Appleis Xserve, Xserve RAID, and other networking gear and computers while reducing noise output up to 75 percent. The GizMac web site had not been updated with information about the new 25U XRackPro yet, and pricing information was not available.