Specifications
Intel® Server Boards S5520HC, S5500HCV, and S5520HCT TPS Design and Environmental Specifications
Revision 1.8
Intel order number E39529-013
129
• Duty Cycle: 100%
• Quality Level: II
Table 72. MTBF Estimate
S5520HC MTBF
(hours)
S5500HCV MTBF
(hours)
Ambient Air Temperature (ºC)
Air Temp. at Board for 10(ºC) rise (ºC)
79,000 89,000 45 55
99,000 111,000 40 50
124,000 140,000 35 45
158,000 178,000 30 40
201,000 227,000 25 35










