Intel正在研發PLC:1.9倍密度100T不是夢 - 3C
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By Barb Cronin
at 2020-06-02T00:02
at 2020-06-02T00:02
Table of Contents
最近一段時間來快閃記憶體的價格已經穩定下來,今年內估計不會大漲但也不會大跌
好在現在的價格也不算貴,該買的早點入手。對快閃記憶體廠商來說,QLC逐漸變成主流
,下一代就是PLC了
儲存密度可達現有的1.9倍,4TB是小菜一碟。
Intel在快閃記憶體方面一直是跟Micron合作的,不過去年他們選擇分手了
最後合作的就是96層堆棧的3D快閃記憶體,有TLC及QLC兩種規格
其中QLC版容量可達1024Gbit,也就是1Tbit,算下來儲存密度達到了8.9Gbit/mm2
是目前所有3D快閃記憶體中最高水平。
再往後是144層3D快閃記憶體了,Intel要自己研發,不再跟Micron合作了
因為Micron會轉向CTP電荷肼技術,而Intel堅持FG浮柵極技術
儘管製造更高複雜,但可靠性、性能更好。
144層快閃記憶體肯定是QLC為主,不過之後Intel也會導入PLC
也就是每個cell單元儲存5位電荷,進一步提升密度,但代價就是寫入速度
可靠性繼續降低,這也是沒法的事。根據計算從QLC到PLC容量提升25%
從96層到144層可以提升50%,那麼總體算下來PLC的密度提升了87.5%
可見這是多麼大的誘惑,廠商是不可能放棄PLC研發的。
與現在最頂級的QLC相比,PLC將近2倍的容量使得超大容量SSD成為可能
現在常見的也就是1TB、2TB,PLC時代估計就是4TB起跳了
最大容量超過100TB也稀鬆平常,畢竟目前TLC都可以做到32-64TB了。
來源
https://news.mydrivers.com/1/692/692440.htm
XF編譯
https://www.xfastest.com/thread-241442-1-1.html
神人已被 TLC QLC PLC 時代進步的巨輪輾斃
SSD 大容量 便宜賣 就好 其他不重要
--
下吹名將︰SI-128、SI-128 SE
塔型空冷名將群 ︰
HR-01、HR-01 PLUS
Ultra120、Ultra120A、Ultra120EX、IFX14
--
Tags:
3C
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