"Just about two months ago, we have completed a review of Icy Dock MB662USEB-2S; an incredible dual-bay FireWire 400/800 eSATA & USB Raid 3.5" HDD enclosure and today we are going to bring you another existing product from Icy Dock; MB994SP-4S. Icy Dock MB994SP-4S is not an external HDD enclosure but an internal multi-bay HDD RAID cage; able to support up to four 2.5" SATA/SSD/SAS HDDs."
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips