Today only, newegg offers the Drobo FS 5-Bay Gigabit Ethernet Network Attached Storage Enclosure, model no. DRDS2A21, for $489.99. Coupon code "DRNA425" cuts it to $399.99. With free shipping, that's a $50 drop from last week's mention and the lowest total price we've seen for this NAS enclosure. (It's also a current price low by $69.) This enclosure can hold up to five Serial ATA hard drives for up to 16TB total.