I recently replaced my motherboard and CPU. I did not reinstall Windows on my system drive. After replacing, I ran a Samsung Magician benchmark. The two m.2 drives appeared to be considerably slower. So, I ran a CrystalDiskMark on the 3 SSDs in my system. Results below. The results for the 2 m.2 drives seem quite slow (especially the Q=1, T=1 random reads and writes) and the SATA drive seems very fast. Do these look reasonable? Is there something I can check? Thanks in advance for the help.
Asus Prime Z390-A
Intel i9 9900K
32 Gb G.Skill Ripjaw V DDR4-3466 (4x16Gb)
Samsung 960 EVO 500 Gb m.2 (Windows drive)
Sequential Read (Q= 32,T= 1) : 3030.120 MB/s
Sequential Write (Q= 32,T= 1) : 1654.206 MB/s
Random Read 4KiB (Q= 8,T= 8) : 1091.666 MB/s [ 266520.0 IOPS]
Random Write 4KiB (Q= 8,T= 8) : 1180.157 MB/s [ 288124.3 IOPS]
Random Read 4KiB (Q= 32,T= 1) : 285.457 MB/s [ 69691.7 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 239.659 MB/s [ 58510.5 IOPS]
Random Read 4KiB (Q= 1,T= 1) : 41.768 MB/s [ 10197.3 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 133.281 MB/s [ 32539.3 IOPS]
Samsung 970 EVO 500 Gb m.2
Sequential Read (Q= 32,T= 1) : 3545.740 MB/s
Sequential Write (Q= 32,T= 1) : 2491.713 MB/s
Random Read 4KiB (Q= 8,T= 8) : 1030.640 MB/s [ 251621.1 IOPS]
Random Write 4KiB (Q= 8,T= 8) : 715.853 MB/s [ 174768.8 IOPS]
Random Read 4KiB (Q= 32,T= 1) : 310.844 MB/s [ 75889.6 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 268.573 MB/s [ 65569.6 IOPS]
Random Read 4KiB (Q= 1,T= 1) : 46.673 MB/s [ 11394.8 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 150.537 MB/s [ 36752.2 IOPS]
Samsung 850 Pro 256 Gb SATA
Sequential Read (Q= 32,T= 1) : 5445.752 MB/s
Sequential Write (Q= 32,T= 1) : 4586.066 MB/s
Random Read 4KiB (Q= 8,T= 8) : 1724.612 MB/s [ 421047.9 IOPS]
Random Write 4KiB (Q= 8,T= 8) : 1277.459 MB/s [ 311879.6 IOPS]
Random Read 4KiB (Q= 32,T= 1) : 366.854 MB/s [ 89564.0 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 215.677 MB/s [ 52655.5 IOPS]
Random Read 4KiB (Q= 1,T= 1) : 378.961 MB/s [ 92519.8 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 219.274 MB/s [ 53533.7 IOPS]
Asus Prime Z390-A
Intel i9 9900K
32 Gb G.Skill Ripjaw V DDR4-3466 (4x16Gb)
Samsung 960 EVO 500 Gb m.2 (Windows drive)
Sequential Read (Q= 32,T= 1) : 3030.120 MB/s
Sequential Write (Q= 32,T= 1) : 1654.206 MB/s
Random Read 4KiB (Q= 8,T= 8) : 1091.666 MB/s [ 266520.0 IOPS]
Random Write 4KiB (Q= 8,T= 8) : 1180.157 MB/s [ 288124.3 IOPS]
Random Read 4KiB (Q= 32,T= 1) : 285.457 MB/s [ 69691.7 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 239.659 MB/s [ 58510.5 IOPS]
Random Read 4KiB (Q= 1,T= 1) : 41.768 MB/s [ 10197.3 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 133.281 MB/s [ 32539.3 IOPS]
Samsung 970 EVO 500 Gb m.2
Sequential Read (Q= 32,T= 1) : 3545.740 MB/s
Sequential Write (Q= 32,T= 1) : 2491.713 MB/s
Random Read 4KiB (Q= 8,T= 8) : 1030.640 MB/s [ 251621.1 IOPS]
Random Write 4KiB (Q= 8,T= 8) : 715.853 MB/s [ 174768.8 IOPS]
Random Read 4KiB (Q= 32,T= 1) : 310.844 MB/s [ 75889.6 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 268.573 MB/s [ 65569.6 IOPS]
Random Read 4KiB (Q= 1,T= 1) : 46.673 MB/s [ 11394.8 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 150.537 MB/s [ 36752.2 IOPS]
Samsung 850 Pro 256 Gb SATA
Sequential Read (Q= 32,T= 1) : 5445.752 MB/s
Sequential Write (Q= 32,T= 1) : 4586.066 MB/s
Random Read 4KiB (Q= 8,T= 8) : 1724.612 MB/s [ 421047.9 IOPS]
Random Write 4KiB (Q= 8,T= 8) : 1277.459 MB/s [ 311879.6 IOPS]
Random Read 4KiB (Q= 32,T= 1) : 366.854 MB/s [ 89564.0 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 215.677 MB/s [ 52655.5 IOPS]
Random Read 4KiB (Q= 1,T= 1) : 378.961 MB/s [ 92519.8 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 219.274 MB/s [ 53533.7 IOPS]