Juniper NSMXpress 75 Device NS-SM-ADD-50D$1,800.00 Juniper NSMXpress NS-SM-ADD-50D 2x 250Gb Hard Drive. CentOS 5.7 & Regional NSM 2012 Server Conditions: Refurbished Warranty: 12 months - Juniper NSMXpress 75 Device NS-SM-ADD-50D quantity + Add to cart Category: Juniper Security Management Description Description .