(1.8°F per every 410 ft) above 900 m (2953 ft)
to a maximum of 3050 m (10,000 ft). The
approved hardware configurations for this
system are listed at the
URL:

www.hp.com/go/proliant/Ashrae

Extended Ambient
Operating Support

Non-operating

-30° to 60°C (-22° to 140°F). Maximum rate of
change is 20°C/hr (36°F/hr).

Relative Humidity

Operating

Minimum to be the higher (more moisture) of -
12°C (10.4°F) dew point or 8% relative
humidity. Maximum to be the lower (less
moisture) of 24°C (75.2°F) dew point or 90%
relative humidity.

Non-operating

5 to 95% relative humidity (Rh), 38.7°C
(101.7°F) maximum wet bulb temperature,
non-condensing.

Altitude

Operating

3050 m (10,000 ft). This value may be limited
by the type and number of options installed.
Maximum allowable altitude change rate is
457 m/min (1500 ft/min).

Non-operating

9144 m (30,000 ft). Maximum allowable
altitude change rate is 457 m/min (1500
ft/min).

Acoustic Noise

Listed are the declared A-Weighted sound power levels (LWAd) and
declared average bystander position A-Weighted sound pressure levels
(LpAm) when the product is operating in a 23°C ambient environment.
Noise emissions were measured in accordance with ISO 7779 (ECMA
74) and declared in accordance with ISO 9296 (ECMA 109).

Idle

LWAd

3.6 Bels (1P LFF Entry)
3.5 Bels (1P SFF Base)
3.6 Bels (2P SFF E-star Rack)
3.4 Bels (2P SFF E-star Tower)

LpAm

21 dBA (1P LFF Entry)
21 dBA (1P SFF Base)
20 dBA (2P SFF E-star Rack)
19 dBA (2P SFF E-star Tower)

Operating

LWAd

3.7 Bels (1P LFF Entry)
3.6 Bels (1P SFF Base)
4.5 Bels (2P SFF E-star Rack)
4.5 Bels (2P SFF E-star Rack)

LpAm

21 dBA (1P LFF Entry)
22 dBA (1P SFF Entry)
28 dBA (2P SFF E-star Rack)
28 dBA (2P SFF E-star Tower)

NOTE: 

Configurations tested for 1P LFF Entry models included two (2)

500GB LFF SATA Midline HDD and Windows 2012 Enterprise 64-bit.

NOTE: 

Configurations tested for 1P and 2P SFF models included two

(2) 500GB SFF SATA Midline HDD and Windows 2012 Enterprise 64-
bit.

NOTE: 

The Listed sound levels apply to standard shipping

configurations. Additional options may result in increased sound levels.

QuickSpecs

HP ProLiant ML350 Generation9 (Gen9)

Technical Specifications

DA - 15035   Worldwide QuickSpecs — Version 1 — 9.9.2014

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