computer power calculation

Power Requirements Calculation

IndexIntroductionPower Requirements CalculationPC power consumption

Server power consumptionPrinters power consumptionUPS Sizing

Power Requirements Calculation

PC Power ConsumptionComponent 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

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

Server power consumption

Dual Processor server : 450 watt

Printer Power Consumption

HP 2000 series

HP 3000 series

HP 5000 Series

Active 550 780 600

Standby 7 15 27

Powersave 7 9 7

UPS Sizing

On-lineOff-line

UPS types

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)