©Microsoft® 2009

Performance/Watt/Dollar

Dileep Bhandarkar, Ph. D.Distinguished EngineerGlobal Foundation Services Microsoft Corporation

Watt Matters in Energy Efficiency!

Our Consumer Cloud Services

Our Commercial Cloud Services

Datacenter Construction Costs

Why Power is Important?

But There is More!

Beyond Just Reducing PUE

Holistic Optimization

Server Hardware Design Considerations

Cost-Reduction Strategies

Example 2 Socket Server Concept

Rack Assembly

12

2 to 4 TOR (2 to

4 RU)

96 Servers(Up to 48

RU)

2 Bulk Power (2x

3RU)

Upper Power

Domain

Lower Power

Domain

Input Voltage: 415/480 VAC, 3Ø

Output Voltage:

12 VDC

Capacity: 4.5 KW

Phase Balanced:

±2%

Battery Pack4 Groups of 4 Batteries (13.2 V

Nominal)160 Batteries for 16.8 kW

Server Performance vs Power

Idle: 32% of peak power10% load: 50% of peak power20% load: 56% of peak power50% load: 70% of peak power80% load: 85% of peak power

5x performanceFor

40% more power!

Performance / Watt / $ at System Level

Opportunities

Better Alignment with Datacenter Technologies

480V 3 phase power supplies at rack levelIn rack UPS instead of current central UPS

Rightsizing of platforms for major workloadsLow Power DIMMs and ProcessorsTiny CPU cores – Atom? Bobcat? ARM?System on a Chip for lower platform powerDynamic Power CappingDesigns for higher temperature operationRack level power and coolingBroader adoption of virtualization

Microsoft Datacenter Scale

Chicago Datacenter

Chicago Container Installation

Paradigm Shift to Ultra Modularity

Gen 4 Datacenter Strategy

ITPAC Design

Conclusions

Questions?