SE7221BK1-E Technical Product Specification
Revision 1.3
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10. Power Information

10.1 Intel® Server Board SE7221BK1-E Power Budget

The following table shows the power consumed on each supply line for the SE7221BK1-E

baseboard that is configured with one processor (128W max). This configuration includes four 1

GB DDR2 DIMMs stacked burst at 70% max. The numbers provided in the table should be used

for reference purposes only. Different hardware configurations will produce different numbers.

The numbers in the table reflect a common usage model operating at a higher than average

stress levels.

Table 78. The Board Power Budget
Power Supply Rail Voltages Units
Watts AMPS
FUNCTIONAL
UNIT Utilization Power 3.3V 5.V 12.V 12V
VRM -12v 5VSB
BASEBOARD INPUT
TOTALS 290.73W 6.26W 8.47W 6.38W 9.28W 0.05W 1.67
BASEBOARD
DISCRETE TOTALS 50% 32.02W 1.51 1.17 0.00 0.00 0.00 0.00
BASEBOARD
CONVERTERS Efficiency 41.90W 3.24 7.29 0.00 9.28 0.00 1.67
BASEBOARD
CONFIG TOTATLS 246.80W 1.52 0.00 6.38 0.00 0.05 0.00
SYSTEM
COMPONENTS 45.12W 0.00 2.40 2.76 0.00 0.00 0.00
SYSTEM TOTALS 335.85W 6.26 10.87 9.14 9.28 0.05 1.67 Amps
3.3v/5v combined
power
Power Supply
Requirements –
1U
300W 14A 18A Max 12V+ 12V
VRM 0.5A 2A
350W peak
3.3V/5V
combined power 100W 1Amin 1Amin 2Amin 2Amin 0Amin 1Amin
12V + 12WRM max of 20A