> ------------------ 原始邮件 ------------------
> 发 件 人：thelma@sys-concept.com
> 发送时间：2020-12-02 05:46:56
> 收 件 人："Gentoo mailing list" <gentoo-user@lists.gentoo.org>
> 抄 送：
> 主 题：[gentoo-user] Performance: WD vs. Samung SSD vs. M.2 SSD
>
> Nothing scientific, but I was surprised how fast M.2 disk so decided to
> time how fast GnuCash will load my accounting, her it is:
>
> Box 1.)
> WD (spinning disk) CPU AMD-8150 (8-core), 16GiB
> Time to open GnuCash - 23sec.
>
> Box 2.)
> Samsung SSD 850, CPU AMD Ryzen 5 1400 Quad-Core, 16GiB
> Time to open GnuCash - 15sec.
>
> Box 3.)
> M.2 SSD, CPU AMD Ryzen 7, 32Gib
> Time to open GnuCash - 2.5sec
>
> --
> Thelma
>
>

SATA Revision 3.0  --  6Gbps
NVMe  --  PCI-E3.0*4  --  7.877 Gbps*4

NVMe  is  much  faster  than  AHCI