3090背板散熱(VRAM) - 3C

By Hedwig
at 2021-03-20T23:50
at 2021-03-20T23:50
Table of Contents
: https://imgur.com/5uFVOj1
: 遊戲實測VRAM維持在84度左右,整整降了快20度
不少人來信詢問一些細節,所以自己更新一下
今天去光華商場補一點材料,不過尺寸還是有點估錯,所以依舊是沒貼滿
https://imgur.com/Ayxrm7Q
https://imgur.com/xVSzwQ5
貼的時候特別留意讓散熱片突出邊緣一咪咪,日後拆除方便 (也不要貼到原廠貼紙 XD!)
買材料時可以順便買上圖左邊的那種風扇防塵網,避免扇葉去打到散熱片
當然也可以風扇四角放高的散熱片,中間放矮的來避免 (右邊就這樣放)
畢竟防塵網會增加風扇高度,空間滿緊繃的
遊戲實測 (POE/4K解析度/畫質全開)
https://imgur.com/5SdQCRV
維持68度,刷了一陣子都沒衝上70
上篇DRnebula有提醒我降壓方式也滿有幫助的
個人的VRAM溫度的演進史大概是這樣:
1.原始版本:102~104度 (我竟然用這溫度玩了兩個月)
2.貼上少數散熱片+FW124上抽:84度
3.後燃器降壓調校:74~76度
4.貼爆散熱片+增加右方8cm 3000rpm薄扇:66~68度
--
4.明顯開始產生邊際效益遞減了
我個人覺得目前的瓶頸應該會落在機殼內的環境溫度及冷排溫度
因為我的機殼上方抽風扇是CPU的水冷排,所以等於是跟冷排做熱交換
會有點連累CPU的散熱
當然如果是塔散的話這個問題應該會更嚴重
比較理想的環境應該是 CPU前置水冷排 + 上抽風/後抽風 or 上+後抽風
不過CPU水冷如果在插了一張3090情況下
要把冷排安裝在前方,又要去兼顧液面高度的安裝法的話,可想而知會滿困難的
所以可能會折衷試試看
CPU上置水冷排 + 後抽風,提早把VRAM熱風抽走試試看
示意圖
https://imgur.com/jLBlHuu
不過我的機殼是沒有配置後風扇位的O11D,這部分可能要DIY了 XD
--
: 遊戲實測VRAM維持在84度左右,整整降了快20度
不少人來信詢問一些細節,所以自己更新一下
今天去光華商場補一點材料,不過尺寸還是有點估錯,所以依舊是沒貼滿
https://imgur.com/Ayxrm7Q
https://imgur.com/xVSzwQ5
貼的時候特別留意讓散熱片突出邊緣一咪咪,日後拆除方便 (也不要貼到原廠貼紙 XD!)
買材料時可以順便買上圖左邊的那種風扇防塵網,避免扇葉去打到散熱片
當然也可以風扇四角放高的散熱片,中間放矮的來避免 (右邊就這樣放)
畢竟防塵網會增加風扇高度,空間滿緊繃的
遊戲實測 (POE/4K解析度/畫質全開)
https://imgur.com/5SdQCRV
維持68度,刷了一陣子都沒衝上70
上篇DRnebula有提醒我降壓方式也滿有幫助的
個人的VRAM溫度的演進史大概是這樣:
1.原始版本:102~104度 (我竟然用這溫度玩了兩個月)
2.貼上少數散熱片+FW124上抽:84度
3.後燃器降壓調校:74~76度
4.貼爆散熱片+增加右方8cm 3000rpm薄扇:66~68度
--
4.明顯開始產生邊際效益遞減了
我個人覺得目前的瓶頸應該會落在機殼內的環境溫度及冷排溫度
因為我的機殼上方抽風扇是CPU的水冷排,所以等於是跟冷排做熱交換
會有點連累CPU的散熱
當然如果是塔散的話這個問題應該會更嚴重
比較理想的環境應該是 CPU前置水冷排 + 上抽風/後抽風 or 上+後抽風
不過CPU水冷如果在插了一張3090情況下
要把冷排安裝在前方,又要去兼顧液面高度的安裝法的話,可想而知會滿困難的
所以可能會折衷試試看
CPU上置水冷排 + 後抽風,提早把VRAM熱風抽走試試看
示意圖
https://imgur.com/jLBlHuu
不過我的機殼是沒有配置後風扇位的O11D,這部分可能要DIY了 XD
--
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