これを買って(;´Д`)
本当に静音かどうか調べてくれ

http://121ware.com/community/navigate/learn/indexc.jsp?BV_SessionID=NNNN1429319623.1069487328NNNN&BV_EngineID=ccchadcjmdeildicflgcefkdgfgdffh.0&ctp=MO&ctnm=%2fPC%2fDesktop%2fVALUESTARG%2fVG200309%2fVGTX200309%2fHeader&PROD_ID1=PC-VG26SVZGAQCFZDCAA&ND=957