Buy.com via Rakuten Shopping offers the Monster Cable PowerCenter HTS 1700 Surge Suppressor, model no. 121634, for $119.99 with free shipping. Plus, get 600 Rakuten Super Points with your order. (They convert to $6 Rakuten Shopping credit.) Assuming you use the credit, that's the lowest total price we could find by $38. This rack-mountable suppressor features nine receptacles, coaxial cable line protection, network/phone protection, 8-foot cord, and more.

Update: The credit amount reported early was incorrect and has since been fixed. However, you can apply coupon code "EARLYBIRD" to bag 1,800 Rakuten Super Points (an $18 credit). That makes it a price low by $26, assuming you use the credit.