MOORE’s LAW The number of transistors that can be placed inexpensively on an integrated circuit doubles approximately every two years. This trend has continued for more than half a century and is expected to continue until 2015 or 2020 or later.
Intel 80386 275,000 Transistors Pentium 1 Million Transistors Itanium 2 Quad Core 2.6 Million Transistors
Refrigerant-based, installed within the data center floor and connected to outside condensing units. Moves air throughout the data center via fan system- delivers cool air to the servers, returns exhaust air from the room CRAH- Computer Room Air Handler Chilled water based, installed on data center floor and connected to outside chiller plant. Moves air throughout the data center via fan system: delivers cool air to the servers, returns exhaust air from the room CHILLER Produces chilled water via refrigeration process. Delivers chilled water via pumps to CRAH. HUMIDIFIER Installed in CRAC / CRAH to replace water loss before the air exits. Controls Static Electricity Available in standalone units.
IDEAL Environment American Society of Heating, Refrigerating & Air-Conditioning Engineers (ASHRAE) Technical Committee (TC) Revised 2004 & 2008 Guidelines for Data Center based on Green Initiatives. TC 9.9 Release 2011 20-80% Relative Humidity 64.4°F – 80.6°F Temperature