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© Copyright IBM Corp. 2003, 2006 507
Appendix C. UPS runtime estimate (minutes)
Steps to determine UPS runtimes and suitable UPS for desired configurations:
1. Using the 'Power Load Data' table, sum the load (watts) of all devices in the configuration. Use either
Maximum Load for minimum runtimes, or Typical Load for typical runtimes.
2. Using the 'Runtimes' table, locate the configuration's total load calculated in step 1.
3. Select the most appropriate UPS model to achieve the desired runtime.
Note: If the configuration's total load is greater than the entries in the 'Runtimes' table, split the load across
two or more UPS units.
Table 143. Power Load Data
Server Number of Power Cords (Std/Max)
Watts Load
(Typical/Max)
1
xSeries 206m
2
2/2 246/352
xSeries 226 (single power supply)
2
1/1 495/707
xSeries 226 (redundant power supplies)
2
2/2 480/685
xSeries 236
2
1/2 625/893
xSeries 260 (two power supplies)
2
2/3 679/970
xSeries 260 (three power supplies)
2
2/3 1288/1840
xSeries 306m
2
1/1 350/500
xSeries 306
2
1/1 300/430
xSeries 336
2
1/2 385/550
xSeries 346
2
1/2 581/830
System x3850 and xSeries 366
2
1/2 1103/1575
System x3950 and xSeries 460
2
2/2 1103/1575
eServer 326m
2
1/1 280/400
x3400 entry
2
1/1 463/662
x3550
2
1/2 490/700
x3650
2
1/2 679/970
x3800 (two power supplies)
2
2/3 679/970
x3800 (three power supplies)
2
2/3 1288/1840
x3850
2
2/2 1103/1575
x3950
2
2/2 1103/1575
BladeCenter (two 2000W power supplies)
2, 3
2/4 1855/2650
BladeCenter (four 2000W power supplies)
2, 3
4/4 3710/5300
BladeCenter H (two 2900W power supplies)
2, 3
2/2 3325/4750
BladeCenter H (four 2900W power supplies)
2, 3
4/4 6650/9500
Other Devices
EXP400 Storage Expansion Unit (17331RU)
2
2/2 310/440