Physical and Operating Specifications 
System Unit 
 
Table 5-1:  System Unit Specifications 
Item Description 
Height (without feet)  44.5 cm (17.5 in) 
Height (with feet)  46.99 cm (18.5 in) 
Depth (without bezel)  60.96 cm (24.0 in) 
Depth (with bezel)  66.04 cm (26.0 in) 
Width (without feet)  21.59 cm (8.5 in) 
Width (with feet)  26.04 cm (10.25 in) 
Weight (no drives installed)  27.24 kg (60.0 lb) 
Input requirements  International Units (English Units) 
Rated input voltage  200 VAC to 240 VAC (100 VAC to 120 VAC) 
Rated input frequency  50 Hz to 60 Hz 
Rated input current  3.7 A (7.4 A) 
Rated input power  538 W 
BTUs per hour  1,839 
Power supply output 
Rated steady-state power  500 W 
Temperature range   
Operating 
10°C to 35°C (50°F to 95°F) 
Shipping 
-40°C to 70°C (-40°F to 158°F) 
Relative humidity (noncondensing)   
Operating  10% to 90% 
Nonoperating  5% to 95% 
Wet-bulb temperature 
Maximum 
28°C (82.4°F) 
Acoustic noise   
Idle (hard drives spinning)  6.2 NPEL (BELS)/45 AVERAGE SPL (dba) 
Operating (random seeks to hard drives)  6.8 NPEL (BELS)/49 AVERAGE SPL (dba) 
5-2  HP ProLiant ML350 Generation 3 Server Maintenance and Service Guide