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Comparable System sound files:
ThinkStation E20 at 1m
idle/load, GPU fan tweaked to minimum speed (19~20 dBA)
idle/load (20~21 dBA)
idle/load, hard drive seeking (23~25 dBA)
The Lenovo ThinkCentre M90p is definitely an improvement over the M58p,
not just in terms of performance. The switch to the faster Clarkdale processor
with Intel GMA HD graphics boasted energy efficiency by more than 30% when idle.
The overall noise level is still subpar, but it is quieter than its predecessor
when idle or under light load. The M90p doesn't seem to suffer from the same
vibration issues as the M58p but whether this is due to an improved hard drive
caddy or simply from using a different hard drive is difficult to assess.
Lenovo's USFF enclosure limits both expansion and the potential for quiet cooling
despite the M90p's more power efficient processor and chipset. The case is compact
with a very small foot print when mounted vertically on the included stand and
is easy to open and service, but these advantages come at a great acoustic cost.
On full load, the system is unbearably noisy, yet the CPU still gets toasty,
heating up to a temperature about 60°C higher than when the system is sitting
In a perfect world, PCs in the workplace would all be small, fast, energy efficient,
and quiet, but in real life, they inevitably fall short in one area for
the M90p that area is noise. To operate inconspicuously in a quiet office, it
has to be a meter or more away from the user or tucked underneath a desk. It
is better suited for a busy, louder corporate environment, where the noise generated
would likely be drowned out.
Our thanks to Lenovo
for ThinkCentre M90p sample.
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Articles of Related Interest
Lenovo C315 Touch Screen All-in-One PC
Lenovo ThinkStation E20: A
Quiet Entry-level Workstation
Lenovo ThinkCentre A70Z
& Asus EeeTop ET2203 All-In-One PCs
Asus EeeBox EB1501 ION Mini-PC
All-in-one: IdeaCentre A600
Lenovo ThinkCentre M58p Eco USFF:
Green Corporate SFF PC
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this article in the SPCR forums.
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