mwave offers the iStarUSA Serial ATA 6Gb/s 4-Drive Hot-Swap RAID Drive Cage, model no. BPU-340SATA, for $85.99 with free shipping. That's tied with our mention from last week and the lowest total price we could find by $17. This aluminum SATA 2.0 hot-swap capable chassis enclosure fits three 5.25" drive bays, holds up to four 3.5" hard drives, and supports RAID levels 1 through 5.