MTBF Data

MTBF Estimates for R1208RPOSHOR
Subassembly
(Server in 40C ambient air)
MTBF FIT
(hours) (flrs/10^9 hrs)
S1200V3RPO board 377,841 2,647
Power Supply - 450W MiniERPS 967,300 1,034
Cooling Fan (1-fixed fans) 490,000 2,041
Cooling Fan (2-fixed fans) 77,680 12,873
HS Backplane board(8x2.5") 3,384,479 295
Front Panel board 8,272,282 121
Totals without motherboard =
61,100 16,364
Totals with motherboard =
52,600 19,011
New Fan G63402-xxx is a new Fan, two sources: NMB and Nidec
NMB MTTF@40C:155,359 L10@40C=88,726
Nidec MTTF@40C:204,866 L10@40C=108,357
Here for system MTBF is using NMB for worst case
Server Model
R1208RPOSHOR