For its newsletter subscribers only, newegg offers the Rosewill 3.5" SATA to USB 3.0 External Hard Drive Enclosure in Black, model no. RX35-AT-SU3 BLK, for $24.99. Coupon code "EMCKBJJ57" cuts it to $19.99. With free shipping, that's the lowest total price we could find by $8, although we saw it in a different color for $2 less last fall. This 3.5" SATA hard drive enclosure features 4.8Gbps transfer speeds and an aluminum cover.