Palo Alto Networks Specifications • 23Physical SpecificationsChapter 4 SpecificationsThis chapter provides specifications for the M-500 appliance. For more information, see thefollowing topics:• “Physical Specifications” in the next section• “Interface Specifications” on page 24• “Electrical Specifications” on page 24• “Environmental Specifications” on page 24Physical SpecificationsTable 4 lists the physical specifications for the M-500 appliance.Table 4. Physical SpecificationsSpecification DescriptionHeight 3.5 inches (8.89cm) 2UDepth 24.8 inches (62.99cm)Width 17.2 inches (43.69cm)Weight 42.5lbs (19.2kg)Includes eight disk drives. No rail kit installed.Mounting Standard 19-inch rackFans Four