Newegg offers the Mediasonic ProRAID 2-Bay 3.5" SATA USB 3.0 Enclosure, model no. HUR3-SU3S3, for $59.99. Redeem this $30 mail-in rebate to drop it to $29.99. With free shipping, that's $5 under our mention from Black Friday week and the best price we've seen. (It's also a current price low by $50.) It supports up to two 4TB hard drives and features three RAID modes, USB 3.0 transfer rates up to 5 GB/s, and eSATA transfer rates up to 6 GB/s. Deal ends December 31.