Lenovo x3650 M5 - Page 23

Approximateheatoutput:
•Minimumconfiguration:525.45Btuperhour(AC154watts)
•Maximumconfiguration:6667Btuperhour(AC1954watts)
Environment:
TheLenovoSystemx3650M5computenodecomplieswithASHRAEclassA3specifications.
Poweron:
•Temperature:5°C-40°C(41°F-104°F)upto950mm(3,117ft).Above950m,de-ratedmaximumair
temperatureis1C/175m.
•Humidity,non-condensing:-12°Cdewpoint(10.4°F)and8%-85%relativehumidity.
•Maximumdewpoint:24°C(75°F)
•Maximumaltitude:3050m(10,000ft)and5°C-28°C(41°F-82°F)
•Maximumrateoftemperaturechange:5°C/hr(41°F/hr)fortapedrive,20°C/hr(68°F/hr)forHDDs
Poweroff:
•Temperature:5°Cto45°C(41°F-113°F)
•Relativehumidity:8%-85%
•Maximumdewpoint:27°C(80.6°F)
Storage(non-operating):
•Temperature:1°Cto60°C(33.8°F-140°F)
•Altitude:3050m(10,000ft)
•Relativehumidity:5%-80%
•Maximumdewpoint:29°C(84.2°F)
Shipment(non-operating):
•Temperature:-40°Cto60°C(-40°F-140°F)
•Altitude:10,700m(35,105ft)
•Relativehumidity:5%-100%
•Maximumdewpoint:29°C(84.2°F)
Attention:
•DesigntoASHRAEClassA3,ambientof40°C,withrelaxedsupport:
–Supportcloudlikeworkloadwithnoperformancedegradationacceptable(Turbo-Off)
–Undernocircumstance,cananycombinationofworstcaseworkloadandconfigurationresultin
systemshutdownordesignexposureat40°C
•Chassisispoweredon.
•A3-Deratemaximumallowabletemperature1°C/175mabove950m.
•TheminimumhumiditylevelforclassA3isthehigher(moremoisture)ofthe-12°Cdewpointand
the8%relativehumidity.Theseintersectatapproximately25°C.Belowthisintersection(~25°C)the
dewpoint(-12°C)representstheminimummoisturelevel,whileaboveitrelativehumidity(8%)
istheminimum.
•Moisturelevelslowerthan0.5°CDP,butnotlower-10°CDPor8%relativehumidity,canbe
acceptedifappropriatecontrolmeasuresareimplementedtolimitthegenerationofstaticelectricity
Chapter1.TheSystemx3650M5server11