[請益] SSD寫入方式與壽命問題
好一陣子沒有注意SSD的發展了
最近考慮購置才驚覺產品大都是以TLC為主
想當初我買MLC還覺得怕怕的
現在QLC的時代都快要來了XD
當然我看了各種說法
都會用計算的方式告訴你其實正常用度下用到過保是沒問題
只不過我還是覺得其計算方式有些地方我還是有疑問
例如我以TLC舉例
通常網路會假設一顆120G的SSD 如果可以寫入1000(實際上是500-1000可他都用1000算)次
那壽命就是120G*1000 的總量
然後就舉例一天寫60G 可以用2000天大約是6年
可是這裡面似乎還是有疑慮
比方說 SSD控制晶片有聰明到能夠跨槽去平均嘛??
如果不行 那麼假如你把SSD分為兩槽60G 那麼壽命不就剩一半?
又比如 長期占用的檔案晶片也能夠挪移嘛??
假如不會 那麼C槽60G假如有30G是系統 那麼空間就只剩30G了 壽命又要折一半
另外就是 即是控制晶片真的是全面的聰明平均抹寫
SLC的抹寫次數是MLC的10倍以上 價格根本不到10倍
MLC的次數也是TLC的7-10倍 價格TLC也沒有便宜那麼多啊
這麼說來 與其我一直用大容量去衝高使用壽命
反而不如買一顆小小的SLC 他的C/P值反而好不是嗎?
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