Maybe the stick is overheating, are your copying large or small files (up to 10MB)?
Which laptop is it? brand and exact model please. A BIOS update could help
Is the speed Mbit or MByte/s?
Try a USB bench tool like chrystal disk
https://www.techadvisor.co.uk/download/portable-applications/crystaldiskmark-portable-700h-3331490/
I copied from 500 MByte to 3 GB file. no difference
Speed is MByte/S
When i touch the stick it isn't hot.
My laptop is ASUS G501JW
My PC's Motherboard is ASUS M4A79XTD-EVO/USB3
Here is the Crystal disk benchmark results
One thing i noticed is sometimes i get about 78 mb/s write speed but somtimes i get 58 and smetimes i get 0 or below 1 mb/s in crystal disk benchmark
I don't know why i can't get a consistent performance and benchmark result !
- MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
- KB = 1000 bytes, KiB = 1024 bytes
[Read]
Sequential 1MiB (Q= 8, T= 1): 134.614 MB/s [ 128.4 IOPS] < 61934.08 us>
Sequential 1MiB (Q= 1, T= 1): 135.261 MB/s [ 129.0 IOPS] < 7740.79 us>
Random 4KiB (Q= 32, T=16): 16.394 MB/s [ 4002.4 IOPS] <125152.55 us>
Random 4KiB (Q= 1, T= 1): 10.794 MB/s [ 2635.3 IOPS] < 378.75 us>
[Write]
Sequential 1MiB (Q= 8, T= 1): 0.628 MB/s [ 0.6 IOPS] <303227.80 us>
Sequential 1MiB (Q= 1, T= 1): 57.460 MB/s [ 54.8 IOPS] < 8382.33 us>
Random 4KiB (Q= 32, T=16): 2.631 MB/s [ 642.3 IOPS] <366363.99 us>
Random 4KiB (Q= 1, T= 1): 2.041 MB/s [ 498.3 IOPS] < 2001.96 us>
Profile: Default
Test: 1 GiB (x1) [Interval: 5 sec] <DefaultAffinity=DISABLED>
Date: 2020/03/26 16:58:08
OS: Windows 10 [10.0 Build 18363] (x64)
---------------------------------
* KB = 1000 bytes, KiB = 1024 bytes
[Read]
Sequential 1MiB (Q= 8, T= 1): 133.368 MB/s [ 127.2 IOPS] < 62496.87 us>
Sequential 1MiB (Q= 1, T= 1): 132.731 MB/s [ 126.6 IOPS] < 7888.37 us>
Random 4KiB (Q= 32, T=16): 15.923 MB/s [ 3887.5 IOPS] <129347.78 us>
Random 4KiB (Q= 1, T= 1): 9.265 MB/s [ 2262.0 IOPS] < 440.46 us>
[Write]
Sequential 1MiB (Q= 8, T= 1): 59.968 MB/s [ 57.2 IOPS] < 80302.28 us>
Sequential 1MiB (Q= 1, T= 1): 51.588 MB/s [ 49.2 IOPS] < 17363.40 us>
Random 4KiB (Q= 32, T=16): 2.070 MB/s [ 505.4 IOPS] <380726.58 us>
Random 4KiB (Q= 1, T= 1): 0.708 MB/s [ 172.9 IOPS] < 5055.83 us>
------------------------
[Read]
Sequential 1MiB (Q= 8, T= 1): 158.347 MB/s [ 151.0 IOPS] < 52643.45 us>
Sequential 1MiB (Q= 1, T= 1): 158.140 MB/s [ 150.8 IOPS] < 6622.03 us>
Random 4KiB (Q= 32, T=16): 15.947 MB/s [ 3893.3 IOPS] <128807.02 us>
Random 4KiB (Q= 1, T= 1): 9.845 MB/s [ 2403.6 IOPS] < 414.58 us>
[Write]
Sequential 1MiB (Q= 8, T= 1): 0.000 MB/s [ 0.0 IOPS] < -1.00 us>
Sequential 1MiB (Q= 1, T= 1): 0.419 MB/s [ 0.4 IOPS] <2472695.20 us>
Random 4KiB (Q= 32, T=16): 2.575 MB/s [ 628.7 IOPS] <372099.29 us>
Random 4KiB (Q= 1, T= 1): 2.089 MB/s [ 510.0 IOPS] < 1955.71 us>
-------------------------
- MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
- KB = 1000 bytes, KiB = 1024 bytes
[Read]
Sequential 1MiB (Q= 8, T= 1): 158.103 MB/s [ 150.8 IOPS] < 52747.53 us>
Sequential 1MiB (Q= 1, T= 1): 156.852 MB/s [ 149.6 IOPS] < 6680.09 us>
Random 4KiB (Q= 32, T=16): 15.945 MB/s [ 3892.8 IOPS] <128988.28 us>
Random 4KiB (Q= 1, T= 1): 11.603 MB/s [ 2832.8 IOPS] < 352.30 us>
[Write]
Sequential 1MiB (Q= 8, T= 1): 3.564 MB/s [ 3.4 IOPS] <645680.52 us>
Sequential 1MiB (Q= 1, T= 1): 15.518 MB/s [ 14.8 IOPS] < 8889.39 us>
Random 4KiB (Q= 32, T=16): 2.007 MB/s [ 490.0 IOPS] <337717.36 us>
Random 4KiB (Q= 1, T= 1): 2.091 MB/s [ 510.5 IOPS] < 1953.79 us>
Profile: Default
Test: 1 GiB (x1) [Interval: 5 sec] <DefaultAffinity=DISABLED>
Date: 2020/03/26 17:05:27
OS: Windows 10 [10.0 Build 18363] (x64)
-------------
- MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
- KB = 1000 bytes, KiB = 1024 bytes
[Read]
Sequential 1MiB (Q= 8, T= 1): 136.110 MB/s [ 129.8 IOPS] < 61246.92 us>
Sequential 1MiB (Q= 1, T= 1): 137.792 MB/s [ 131.4 IOPS] < 7606.67 us>
Random 4KiB (Q= 32, T=16): 16.054 MB/s [ 3919.4 IOPS] <128145.57 us>
Random 4KiB (Q= 1, T= 1): 11.859 MB/s [ 2895.3 IOPS] < 345.01 us>
[Write]
Sequential 1MiB (Q= 8, T= 1): 69.833 MB/s [ 66.6 IOPS] < 93492.33 us>
Sequential 1MiB (Q= 1, T= 1): 63.344 MB/s [ 60.4 IOPS] < 11959.98 us>
Random 4KiB (Q= 32, T=16): 2.663 MB/s [ 650.1 IOPS] <374969.39 us>
Random 4KiB (Q= 1, T= 1): 2.349 MB/s [ 573.5 IOPS] < 1739.24 us>
Profile: Default
Test: 2 GiB (x2) [Interval: 5 sec] <DefaultAffinity=DISABLED>
Date: 2020/03/26 17:14:46
OS: Windows 10 [10.0 Build 18363] (x64)