eCost offers the refurbished Buffalo LinkStation Duo 2TB External NAS Hard Drive, model no. LS-WX2.0TL/R1-R, for $82.99 plus $11.41 for shipping ($0.05/GB). That's the lowest total price we could find for a refurb by $1 and $96 under the lowest total price we could find for a new one. This unit features two 1TB hard drives and runs RAID levels 0 and 1, and JBOD.