have you considered reducing the source(s) of noise, usually the fans and drives? eg. see... http://support.dell.com/support/topics/global.aspx/support/dsn/en/document?c=us&dl=false&l=en&s=gen&docid=F5D470B14AC545FDA0FA544E2F1EF0FC&doclang=en&cs= http://hardware.slashdot.org/article.pl?sid=04/03/15/2322222 http://www.hardwarezone.com.sg/news/view.php?cid=18&id=3508 or have you considered noise-reducing rack enclosures and or mods? eg. see... http://www.quietpcusa.com/AcoustiRACK-42U-Soundproofed-Server-Enclosure--P190C29.aspx http://www.powermax.com/product/XRackPro2_25U_Noise_Reduction_Server_Rack_Enclosure_Rackmount_Cabinet_-_Platinum/xr-nre2-25u-us.html?PHPSESSID=6 http://www.xrackpro.com/ http://www.keyzone.com/tech/whisper_cabinets.htm > > Zhaolei Zhang wrote: > > > > We recently purchased two Dell racks and they are very noisy, we have had > > complains from people next door. We are thinking to get some sound absorbing > > material to staple them on the wall inside of the server room. Do anyone > > have any good idea on what kind of material is the best for such purpose and > > where to buy them ? I am in Canada. > > > > -- > J.W. Bizzaro > Bioinformatics Organization, Inc. (Bioinformatics.Org) > E-mail: jeff at bioinformatics.org > Phone: +1 508 890 8600 > -- > _______________________________________________ > Bioclusters maillist - Bioclusters at bioinformatics.org > https://bioinformatics.org/mailman/listinfo/bioclusters >