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4090"><em>RTX 4090</em></a><a class="contentlabel" href="http://www.ex-cimer.com/news/listbylabel/label/顯卡"><em>顯卡</em></a>已經(jīng)出現(xiàn)了至少15起“自燃”燒毀案例，可NVIDIA和品牌廠商們至今也沒調(diào)查出個(gè)所以然來。</p>本文引用地址：<a href="http://www.ex-cimer.com/article/202211/439853.htm">http://www.ex-cimer.com/article/202211/439853.htm</a><p>　　來自Gamer Nexus的硬件老兵Steve Burke日前找來三張<a class="contentlabel" href="http://www.ex-cimer.com/news/listbylabel/label/RTX 4090"><em>RTX 4090</em></a>和五種電源連接線，進(jìn)行了數(shù)小時(shí)的高強(qiáng)度測試后發(fā)現(xiàn)，即便把所謂線纜彎曲、插拔過松過緊等惡劣情況都考慮進(jìn)來，均沒有復(fù)現(xiàn)燒毀問題，最壞的情況不過是插口處因?yàn)檫B接不緊密溫升了8℃而已。</p><p>　　但進(jìn)一步的調(diào)查發(fā)現(xiàn)了一個(gè)有趣的變量，目前上市的<a class="contentlabel" href="http://www.ex-cimer.com/news/listbylabel/label/RTX 4090"><em>RTX 4090</em></a><a class="contentlabel" href="http://www.ex-cimer.com/news/listbylabel/label/顯卡"><em>顯卡</em></a>，廠商們提供了兩種規(guī)格的供電轉(zhuǎn)接線，分別是150V 16AWG和300V 14AWG，前述測試中的五根線都是300V 14AWG。</p><p>　　兩種線纜的區(qū)別在于，14AWG比16AWG更粗，載流量和能承受的電壓也更高。另外，剝開線皮后發(fā)現(xiàn)，16AWG的電源，在轉(zhuǎn)接16Pin的位置采取的是4根線頭與金屬片逐個(gè)焊接，而14AWG的線，則是兩兩焊接，接觸面積更大、散熱更均勻。</p></span>  <div class="7tlpzrf" id="coverDiv" class="article_reg" style="width:100%;overflow:hidden;display:none;z-index:10;position:absolute;left:0;background:#fff;"> <center> <img src="https://webstorage.eepw.com.cn/images/display/reg.jpg" border="0" usemap="#Map" /> <map name="Map" id="Map"> <area shape="rect" coords="133,235,319,253" target="_blank" /> <area shape="rect" coords="132,315,319,335" /> </map> </center> </div>  <span id="fpxxxnd" class="hAd8"> <br></span>   </div> </article> <div id="rddvft7" class="clear"></div> <br/> <div id="fhxxppf" class="hAd6"> <div class="d3nfh7z" id="relA" style="width:auto;height:auto;"> <ul> <li>  <iframe id='af71d594' name='af71d594' src='https://ad.eepw.com.cn/www/delivery/afr.php?zoneid=114&cb=INSERT_RANDOM_NUMBER_HERE' frameborder='0' scrolling='no' width='650' height='30'><a 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