Below I proved the results of speed tests of my 500 GB SSD M.2 Kingston NV1 [SNVS/500G] and 500 GB SSD M.2 Seagate BarraCuda Q5 [ZP500CV3A001]:
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CrystalDiskMark 8.0.1 x64 (UWP) (C) 2007-2021 hiyohiyo
Crystal Dew World: https://crystalmark.info/
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* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes
[Read]
SEQ 1MiB (Q= 8, T= 1): 2546.163 MB/s [ 2428.2 IOPS] < 3291.40 us>
SEQ 1MiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
RND 4KiB (Q= 32, T= 1): 449.897 MB/s [ 109838.1 IOPS] < 281.99 us>
RND 4KiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
[Write]
SEQ 1MiB (Q= 8, T= 1): 1970.445 MB/s [ 1879.2 IOPS] < 4243.49 us>
SEQ 1MiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
RND 4KiB (Q= 32, T= 1): 310.284 MB/s [ 75752.9 IOPS] < 417.44 us>
RND 4KiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
Profile: Default
Test: 1 GiB (x5) [D: 18% (85/466GiB)]
Mode:
Time: Measure 5 sec / Interval 5 sec
Date: 2021/05/16 13:23:57
OS: Windows 10 Professional [10.0 Build 19041] (x64)
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CrystalDiskMark 8.0.1 x64 (UWP) (C) 2007-2021 hiyohiyo
Crystal Dew World: https://crystalmark.info/
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* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes
[Read]
SEQ 1MiB (Q= 8, T= 1): 2416.689 MB/s [ 2304.7 IOPS] < 3463.57 us>
SEQ 1MiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
RND 4KiB (Q= 32, T= 1): 383.936 MB/s [ 93734.4 IOPS] < 340.88 us>
RND 4KiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
[Write]
SEQ 1MiB (Q= 8, T= 1): 1048.745 MB/s [ 1000.2 IOPS] < 7980.50 us>
SEQ 1MiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
RND 4KiB (Q= 32, T= 1): 320.764 MB/s [ 78311.5 IOPS] < 406.99 us>
RND 4KiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
Profile: Default
Test: 1 GiB (x5) [F: 0% (0/466GiB)]
Mode:
Time: Measure 5 sec / Interval 5 sec
Date: 2021/05/16 13:20:20
OS: Windows 10 Professional [10.0 Build 19041] (x64)
The results are close to declared read/write speed 2100/1700 and 2300/900 MB/s.
Also I tested my SATA SSD:
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CrystalDiskMark 8.0.1 x64 (UWP) (C) 2007-2021 hiyohiyo
Crystal Dew World: https://crystalmark.info/
------------------------------------------------------------------------------
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes
[Read]
SEQ 1MiB (Q= 8, T= 1): 551.593 MB/s [ 526.0 IOPS] < 15172.72 us>
SEQ 1MiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
RND 4KiB (Q= 32, T= 1): 252.635 MB/s [ 61678.5 IOPS] < 517.58 us>
RND 4KiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
[Write]
SEQ 1MiB (Q= 8, T= 1): 481.922 MB/s [ 459.6 IOPS] < 17307.26 us>
SEQ 1MiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
RND 4KiB (Q= 32, T= 1): 270.607 MB/s [ 66066.2 IOPS] < 483.22 us>
RND 4KiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
Profile: Default
Test: 1 GiB (x5) [E: 63% (151/238GiB)]
Mode:
Time: Measure 5 sec / Interval 5 sec
Date: 2021/05/16 13:27:09
OS: Windows 10 Professional [10.0 Build 19041] (x64)
and two HDD drives:
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CrystalDiskMark 8.0.1 x64 (UWP) (C) 2007-2021 hiyohiyo
Crystal Dew World: https://crystalmark.info/
------------------------------------------------------------------------------
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes
[Read]
SEQ 1MiB (Q= 8, T= 1): 174.555 MB/s [ 166.5 IOPS] < 47583.10 us>
SEQ 1MiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
RND 4KiB (Q= 32, T= 1): 0.925 MB/s [ 225.8 IOPS] <138313.24 us>
RND 4KiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
[Write]
SEQ 1MiB (Q= 8, T= 1): 164.809 MB/s [ 157.2 IOPS] < 50385.67 us>
SEQ 1MiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
RND 4KiB (Q= 32, T= 1): 1.702 MB/s [ 415.5 IOPS] < 72915.81 us>
RND 4KiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
Profile: Default
Test: 1 GiB (x5) [H: 89% (4962/5589GiB)]
Mode:
Time: Measure 5 sec / Interval 5 sec
Date: 2021/05/16 13:45:06
OS: Windows 10 Professional [10.0 Build 19041] (x64)
------------------------------------------------------------------------------
CrystalDiskMark 8.0.1 x64 (UWP) (C) 2007-2021 hiyohiyo
Crystal Dew World: https://crystalmark.info/
------------------------------------------------------------------------------
* MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
* KB = 1000 bytes, KiB = 1024 bytes
[Read]
SEQ 1MiB (Q= 8, T= 1): 233.336 MB/s [ 222.5 IOPS] < 35757.63 us>
SEQ 1MiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
RND 4KiB (Q= 32, T= 1): 2.055 MB/s [ 501.7 IOPS] < 63218.42 us>
RND 4KiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
[Write]
SEQ 1MiB (Q= 8, T= 1): 215.904 MB/s [ 205.9 IOPS] < 38534.57 us>
SEQ 1MiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
RND 4KiB (Q= 32, T= 1): 2.814 MB/s [ 687.0 IOPS] < 46346.48 us>
RND 4KiB (Q= 1, T= 1): 0.000 MB/s [ 0.0 IOPS] < 0.00 us>
Profile: Default
Test: 1 GiB (x5) [I: 0% (0/5589GiB)]
Mode:
Time: Measure 5 sec / Interval 5 sec
Date: 2021/05/16 13:35:41
OS: Windows 10 Professional [10.0 Build 19041] (x64)