Technical Product Specification
Intel® Server Boards S5520HC, S5500HCV, and S5520HCT TPS Design and Environmental Specifications
Revision 1.9
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