mwave offers the Sans Digital EliteRAID iSCSI Rackmount Hard Drive Case, model no. ER104I+B, for $999.99. With free shipping, that's the lowest total price we could find by $23. It features an Intel 64-bit RISC processor and dual gigabit Ethernet connectivity. It has four hot-swappable 3.5" SATA HDD trays (up to 12TB of total storage) and supports RAID types imaginable (0, 1, 3, 5, 6, etcetera).