想给老爸改装一下老爷机

目前的情况是，唯一一块硬盘估计有坏道，跑个几m就占满了，导致电脑奇卡无比

主板是盈通H61c
主板的情况是4xsata2接口，没有sata3接口所以用不了sata固态
还有一个空余的pciex16口

cpu是i3-3240


本来想给他换个12代的nuc，但是感觉几千块钱也用不到
我爸最多用word编辑一下文档，看一下视频这样

内存准备改成16gb双通道ddr3 1333mhz 的国产内存条

硬盘目前有两个方案
方案1:加装两块好一点的机械硬盘

方案2:通过pcie转接m.2口接一条国产的ssd作为系统盘，然后再新装一块机械硬盘作为资料盘


各位如何看待这两个方案？计划500以内把这个事情搞定
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