Western Digital offers its Western Digital 1TB My Book AV External Hard Drive for Verizon FIOS DVR, model no. WDBACS0010HBK-NEVZ, for $89.99 with free shipping. That's the lowest total price we could find by $5. It connects to an eSATA-capable or USB Verizon FIOS DVR to expand storage capacity and features SilkStream technology to deliver smooth video recording and playback at a 3Gb/s transfer rate.