1. Power Requirements Calculation

2. Index
Introduction
Power Requirements Calculation
 PC power consumption
 Server power consumption
 Printers power consumption
 UPS Sizing

3. Power Requirements
Calculation

4. PC Power Consumption
Component Power Consumption (watt)
Motherboard 30
CPU Quad Core I5 73
Memory 1 GByte 4
HDD 12
Monitor LCD 50
DVD/CD 12
Speakers 4
Graphic Card (next slide)
CPU Cooler 10
Average PC Power Consumption ≈ 200 watt

5. VGA Product Description Idle Power Loaded Power
NVIDIA GeForce GTX 480 SLI Set 100 W 700 W
ZOTAC GeForce GTX 480 Reference Design 48 W 355 W
ATI Radeon HD 4870 X2 Reference Design 100 W 320 W
NVIDIA GeForce GTX 295 Reference Design 74 W 302 W
ATI Radeon HD 5970 Reference Design 48 W 299 W
ATI Radeon HD 4850 CrossFireX Set 123 W 210 W
ATI Radeon HD 4890 Reference Design 65 W 268 W
NVIDIA GeForce GTX 470 Reference Design 42 W 278 W
MSI NX8800GTX-T2D768E-HD OC GeForce 8800 GTX 76 W 201 W
ATI Radeon HD 5870 Reference Design 25 W 240 W
Sapphire Radeon HD 4850 X2 11139-00-40R 73 W 180 W
NVIDIA GeForce 9800 GX2 Reference Design 85 W 186 W
NVIDIA GeForce GTX 280 Reference Design 35 W 225 W
NVIDIA GeForce GTX 260 (216) Reference Design 42 W 203 W
AMD/ATI Radeon HD 4870 Reference Design 58 W 166 W
NVIDIA GeForce GTX 460 Reference Design 18 W 167 W
ATI Radeon HD 5850 Reference Design 24 W 157 W
NVIDIA GeForce 8800 GT Reference Design 31 W 133 W
ATI Radeon HD 4770 RV740 GDDR5 Reference Design 37 W 120 W
ATI Radeon HD 5770 Reference Design 22 W 115 W
Sapphire Radeon HD 4670 GDDR4 9 W 70 W
VGA Card Power Consumption

6. Server power consumption
Dual Processor server : 450 watt

7. Printer Power Consumption
HP 2000 series HP 3000 series HP 5000 Series
Active 550 780 600
Standby 7 15 27
Powersave 7 9 7

8. UPS Sizing

9. On-lineOff-line
UPS types

10. Power Factor
Example:
- UPS with capacity 100VA
-Power factor is 0.07
Then Real capacity of the UPS = 0.7 * 1000 = 700 Watt
UPS Capacity (watt) = Power Factor * UPS Capacity (VA)