HP WORKSTATION Z400 - Manual (Page 18)

Declared Noise Emissions (Entry-level and High-end configurations)
System Configuration
(Entry level) Processor Info Intel Xeon Processor W3505 2.53 GHz
Memory Info 4 x 1GB DDR3 1333 MHz
Graphics Info NVIDIA Quadro NVS 295
Disks/Optical/Floppy 1 x 160 GB 7200 RPM SATA / DVD-ROM / No Floppy
Declared Noise
Emissions (in
accordance with ISO
7779 and ISO 9296) Sound Power ( LWAd, bels ) Deskside Sound Pressure
Idle 3.9 Bels 23 dB
SATA Hard drive
Operating (random
reads) 4.2 Bels 25 dB
Floppy Drive Operating
(continuous copy) 4.7 Bels 29 dB
DVD-ROM Operating
(sequential reads) 5.1 Bels 38 dB
QuickSpecs
HP Z400 Workstation
System Technical Specifications
DA - 13276 Worldwide QuickSpecs — Version 4 — 4.17.2009 Page 18