Newegg offers the Seagate 4-Bay Diskless Network Attached Storage Enclosure, model no. STBP100, for $269.99. Apply coupon code "NASGSEAC216" and it drops to $219.99. With $6.99 for shipping, that's $39 under our April mention and the lowest total price we could find by $44. It features four SATA ports, Universal Storage Module, and support for RAID 0, 1, 5, and 10.