Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 152 固态硬盘MLC和TLC的区别是什么
- 分类:硬件教程 发布时间: Warning: Use of undefined constant newstime - assumed 'newstime' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 156 2022年01月29日 09:51:00
闪存颗粒最早只有SLC技术颗粒;为了降低成本,厂商研发出了MLC颗粒;为了进一步降低成本,厂商研发出了TLC颗粒;那这几个有什么区别吗,下面小编来跟大家说说固态硬盘MLC和TLC的区别是什么吧。
1、根据存储原理闪存颗粒可以分为SLC、MLC、TLC三种。SLC英文全称单层式储存,存取原理上SLC架构是0和1两个充电值,即每Cell只能存取1bit数据,有点儿类似于开关电路,虽然简单但却 非常稳定。MLC架构可以一次储存4个以上的值,因此MLC架构可以有比较好的储存密度,再加上可利用比较老旧的生产程备来提高产品的容量,但使用寿命较短,MLC架构只能承受约1万次的存取,远低于SLC架构的10万次。TLC则是1个单元3个bit也就是可以储存8个以上的值,其能承受约500次左右的存取。
2、通过算法与主控的调控,我们购买的MLC和TLC闪存颗粒固态硬盘,如果仅从读写速度上来看,两者可以说没有差异,在性能上的差异对普通用户来说是可以忽略不计的。在纠错能力越来越强的主控的帮助下,已经可以满足质保期内正常使用的需求。但TLC的数据保存期限是个问题。一般认为写入后断电状态30℃保存,SLC可安全保存10年, MLC是1年,工业级MLC是3个月。
3、厂商依靠优化主控、算法、ECC校验等方式得以改善了TLC SSD的可靠性。但两种颗粒相比之下,MLC确实优秀很多,目前基于TLC闪存设计的SSD通常会在主控和固件层面虚拟SLC闪存工作模式,并设置OP冗余缓存,从而提升TLC SSD的性能和使用寿命。
4、固态硬盘主控纠错技术的提升加上原厂特挑体质TLC闪存芯片,基本上已经能够保证家用条件下3年运用周期内的写入寿命。另一方面,采用M.2接口的NVMe固态硬盘主打高性能,基本包揽了MLC闪存的运用,这也使得SATA接口更多地向低成本方向发展,毕竟一块普通的固态硬盘已经要比机械硬盘体验要强很多倍,升级后的体验已经能令老电脑用户足够满意。
5、总的来说,在所有条件,也就是制程、设计、缓存、主控完全相同的情况下,TLC跟MLC的区别,就是寿命和写入速度。但是问题是,实际上市面上的上述条件,都是不一样的。家用级别和企业级别不一样,每个牌子每个型号,每一代,都不一样。MLC性能够用,价格适中为消费级SSD应用主流,TLC综合性能更低,价格也更便宜。
以上就是固态硬盘MLC和TLC的区别是什么啦,希望能帮助到大家。
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