Xserve (Early 2009): Power consumption and thermal output (BTU) information

Learn about the power consumption and thermal output of Xserve (Early 2009) computers.

This article has been archived and is no longer updated by Apple.
Xserve (Early 2009)
Quad-core configuration: One 2.26GHz quad-core Intel Xeon 5500 series processor, single 160GB 7200-rpm SATA Apple Drive Module, 3GB RAM (three 1GB 1066MHz DDR3 ECC DIMMs), built-in NVIDIA GeForce GT 120 graphics with 256MB GDDR3 SDRAM, no PCI cards, single 750W high-efficiency power supply
Power Consumption   Thermal Output  
Idle CPU Max Idle CPU Max
144 W 194 W 490 BTU/h 660 BTU/h
Xserve (Early 2009)
Quad-core configuration: Two 2.26GHz quad-core Intel Xeon 5500 series processors, single 160GB 7200-rpm SATA Apple Drive Module, 3GB RAM (three 1GB 1066MHz DDR3 ECC DIMMs), built-in NVIDIA GeForce GT 120 graphics with 256MB GDDR3 SDRAM, no PCI cards, single 750W high-efficiency power supply
Power Consumption Thermal Output
Idle CPU Max Idle CPU Max
167 W 294 W 568 BTU/h 999 BTU/h
Xserve (Early 2009)
Quad-core configuration: Two 2.26GHz quad-core Intel Xeon 5500 series processors, three 1TB 7200-rpm SATA Apple Drive Modules, 3GB RAM (three 1GB 1066MHz DDR3 ECC DIMMs), built-in NVIDIA GeForce GT 120 graphics with 256MB GDDR3 SDRAM, no PCI cards, single 750W high-efficiency power supply
Power Consumption Thermal Output
Idle CPU Max Idle CPU Max
182 W 309 W 619 BTU/h 1050 BTU/h
Xserve (Early 2009)
Quad-core configuration: Two 2.93GHz quad-core Intel Xeon 5500 series processors, one 160GB 7200-rpm SATA Apple Drive Modules, 18GB RAM (six 2GB and six 1GB 1066MHz DDR3 ECC DIMMs), built-in NVIDIA GeForce GT 120 graphics with 256MB GDDR3 SDRAM, no PCI cards, single 750W high-efficiency power supply
Power Consumption Thermal Output
Idle CPU Max Idle CPU Max
173 W 334 W 589 BTU/h 1136 BTU/h

Notes

  1. Power consumption data (watts) is measured from the wall power source at 115V/60Hz and includes all power supply and system losses. Additional correction is not needed.
  2. "CPU Max" is defined as running a compute-intensive test application that maximizes processor usage and therefore power consumption.
  3. These numbers reflect a 23°C (73.4° F) ambient running environment. Increased ambient temperatures will require faster fan speeds which will increase power consumption. At 35° C (95° F), 50 W should be added to reflect increased power consumption.
  4. Tests are conducted using specific computer systems and reflect the approximate performance of Xserve.
  5. These numbers reflect no additional PCI Express cards installed.

(sample layout from Amy) 2015 models

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iMac (Retina 5K, 27-inch, Mid 2015)

  • Specs: 27-inch display, 3.3 GHz Intel Core i5, 32GB 1600 MHz DDR3 SDRAM, 3TB Fusion Drive, AMD Radeon R9 M290 
  • Power consumption: 70 W (idle), 197 W (CPU max)
  • Thermal output: 239 Btu/h (idle), 673 BTU/h (CPU max)
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