Asrock 的 Q1900B-ITX - 3C

By Elma
at 2014-12-20T20:47
at 2014-12-20T20:47
Table of Contents
回應一下好了, 關於CPU跟RAM的溫度關係
: → ricky7899 : 這CPU燒機一整天 去摸散熱片也不會不舒服..... 12/20 20:02
: → ricky7899 : 記憶體就這一點點溫度就會壞掉 不如不要買那家的 12/20 20:02
這樣說吧, RAM 跟 CPU 的耐熱度是不同的。
我們以 SK-Hynix 的 H5TQ2G83EFR-PBC (2Gb DDR3) 顆粒為例,
標準作業溫度上限是 85度, 儲存溫度上限是 100度
http://tinyurl.com/p98cug2
而 intel 的 J1900,
作業溫度上限是 105度 (Tjmax), 儲存溫度上限是 125度
http://tinyurl.com/nrogqz4
要知道, 雖然溫度不到上限, 但電子產品是越熱壽命就越短、故障率越高,
而這個故障率與溫度的關係, 一般不是線性等比, 而是呈現級數變化,
也就是說, 從原本的溫度提高10度, 可能是提高2倍故障率, 但提高20度,
可能會把故障率提高到10倍、20倍。
另外就是, CPU設計時就有考慮過熱循環/熱衝擊的問題,
畢竟CPU是會高低功率迅速切換的, 但RAM一般比較不會,
那麼CPU的溫度變化對RAM就有加速老化的效果。
到時候問題可能是在socket上, 可能是在RAM的銲錫上。
: → ricky7899 : 更別說 像是X99大部分主機板RAM就在CPU左右 12/20 20:11
: → ricky7899 : 那樣下吹式的風扇就幾乎等於是將CPU熱度硬吹到RAM上 12/20 20:12
: → ricky7899 : 難道就一定會壞掉嗎? 12/20 20:12
所以要是我買X99, 我一定會用塔散。
: → ricky7899 : 更別說 J1900原本設計就是這樣 每家都一樣 12/20 20:13
: → ricky7899 : 單獨拿華擎的出來批 是有什麼意圖啊 12/20 20:13
其他家的, 乃至華擎其他張J1900,
基本上SO-DIMM是採用平躺設計, 或是用卡比較矮的標準 DIMM, 影響相對低。
我不是單獨拿華擎的出來批, 是剛好買到這一張。
----
: → blackkk : 你記憶體插A2開不了機嗎? 應該可以吧
想說既然要退我就不要拆來測了
至少還回去是全新的
--
: → ricky7899 : 這CPU燒機一整天 去摸散熱片也不會不舒服..... 12/20 20:02
: → ricky7899 : 記憶體就這一點點溫度就會壞掉 不如不要買那家的 12/20 20:02
這樣說吧, RAM 跟 CPU 的耐熱度是不同的。
我們以 SK-Hynix 的 H5TQ2G83EFR-PBC (2Gb DDR3) 顆粒為例,
標準作業溫度上限是 85度, 儲存溫度上限是 100度
http://tinyurl.com/p98cug2
而 intel 的 J1900,
作業溫度上限是 105度 (Tjmax), 儲存溫度上限是 125度
http://tinyurl.com/nrogqz4
要知道, 雖然溫度不到上限, 但電子產品是越熱壽命就越短、故障率越高,
而這個故障率與溫度的關係, 一般不是線性等比, 而是呈現級數變化,
也就是說, 從原本的溫度提高10度, 可能是提高2倍故障率, 但提高20度,
可能會把故障率提高到10倍、20倍。
另外就是, CPU設計時就有考慮過熱循環/熱衝擊的問題,
畢竟CPU是會高低功率迅速切換的, 但RAM一般比較不會,
那麼CPU的溫度變化對RAM就有加速老化的效果。
到時候問題可能是在socket上, 可能是在RAM的銲錫上。
: → ricky7899 : 更別說 像是X99大部分主機板RAM就在CPU左右 12/20 20:11
: → ricky7899 : 那樣下吹式的風扇就幾乎等於是將CPU熱度硬吹到RAM上 12/20 20:12
: → ricky7899 : 難道就一定會壞掉嗎? 12/20 20:12
所以要是我買X99, 我一定會用塔散。
: → ricky7899 : 更別說 J1900原本設計就是這樣 每家都一樣 12/20 20:13
: → ricky7899 : 單獨拿華擎的出來批 是有什麼意圖啊 12/20 20:13
其他家的, 乃至華擎其他張J1900,
基本上SO-DIMM是採用平躺設計, 或是用卡比較矮的標準 DIMM, 影響相對低。
我不是單獨拿華擎的出來批, 是剛好買到這一張。
----
: → blackkk : 你記憶體插A2開不了機嗎? 應該可以吧
想說既然要退我就不要拆來測了
至少還回去是全新的
--
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