I have the same problem with one Sandisk USB Cruzer Force 16GB stick, (2.0 ? or 3.0 ?) TEST SPEED using USB Flash Bench are.
Refreshing devices.
Refreshing devices. [Done]
Starting benchmark.
Bechmarking E:(4C531001350502122555)
Started at 7/23/2019 5:26:34 PM
Filename: E:\test.tmp
Starting large file benchmark. With 100MB file.
16384k:6 Write Speed:5.54MB/s
16384k:6 Write Speed:5.84MB/s
16384k:6 Write Speed:5.67MB/s
16384k:6 Average Write Speed:5.68MB/s
16384k:6 Read Speed:26.56MB/s
16384k:6 Read Speed:26.63MB/s
16384k:6 Read Speed:26.70MB/s
16384k:6 Average Read Speed:26.63MB/s
8192k:12 Write Speed:5.30MB/s
8192k:12 Write Speed:5.72MB/s
8192k:12 Write Speed:5.96MB/s
8192k:12 Average Write Speed:5.65MB/s
8192k:12 Read Speed:26.52MB/s
8192k:12 Read Speed:26.62MB/s
8192k:12 Read Speed:26.69MB/s
8192k:12 Average Read Speed:26.61MB/s
4096k:25 Write Speed:5.86MB/s
4096k:25 Write Speed:5.60MB/s
4096k:25 Write Speed:5.98MB/s
4096k:25 Average Write Speed:5.81MB/s
4096k:25 Read Speed:26.32MB/s
4096k:25 Read Speed:26.85MB/s
4096k:25 Read Speed:26.70MB/s
4096k:25 Average Read Speed:26.62MB/s
2048k:50 Write Speed:5.74MB/s
2048k:50 Write Speed:6.41MB/s
2048k:50 Write Speed:5.09MB/s
2048k:50 Average Write Speed:5.70MB/s
2048k:50 Read Speed:26.59MB/s
2048k:50 Read Speed:26.73MB/s
2048k:50 Read Speed:26.66MB/s
2048k:50 Average Read Speed:26.66MB/s
1024k:100 Write Speed:6.42MB/s
1024k:100 Write Speed:5.58MB/s
1024k:100 Write Speed:6.05MB/s
1024k:100 Average Write Speed:6.00MB/s
1024k:100 Read Speed:26.43MB/s
1024k:100 Read Speed:26.60MB/s
1024k:100 Read Speed:26.67MB/s
1024k:100 Average Read Speed:26.57MB/s
512k:200 Write Speed:5.62MB/s
512k:200 Write Speed:5.47MB/s
512k:200 Write Speed:6.28MB/s
512k:200 Average Write Speed:5.77MB/s
512k:200 Read Speed:26.64MB/s
512k:200 Read Speed:26.55MB/s
512k:200 Read Speed:26.59MB/s
512k:200 Average Read Speed:26.59MB/s
Deleting file.
Starting small file benchmark. With 10MB file.
256k:40 Write Speed:11.23MB/s
256k:40 Write Speed:11.17MB/s
256k:40 Write Speed:3.78MB/s
256k:40 Average Write Speed:6.77MB/s
256k:40 Read Speed:25.19MB/s
256k:40 Read Speed:24.39MB/s
256k:40 Read Speed:25.46MB/s
256k:40 Average Read Speed:25.01MB/s
128k:80 Write Speed:8.59MB/s
128k:80 Write Speed:10.24MB/s
128k:80 Write Speed:10.23MB/s
128k:80 Average Write Speed:9.62MB/s
128k:80 Read Speed:25.03MB/s
128k:80 Read Speed:25.26MB/s
128k:80 Read Speed:25.30MB/s
128k:80 Average Read Speed:25.20MB/s
64k:160 Write Speed:7.66MB/s
64k:160 Write Speed:10.97MB/s
64k:160 Write Speed:10.58MB/s
64k:160 Average Write Speed:9.49MB/s
64k:160 Read Speed:24.50MB/s
64k:160 Read Speed:24.23MB/s
64k:160 Read Speed:24.46MB/s
64k:160 Average Read Speed:24.40MB/s
32k:320 Write Speed:6.47MB/s
32k:320 Write Speed:6.45MB/s
32k:320 Write Speed:5.95MB/s
32k:320 Average Write Speed:6.28MB/s
32k:320 Read Speed:23.19MB/s
32k:320 Read Speed:23.27MB/s
32k:320 Read Speed:23.05MB/s
32k:320 Average Read Speed:23.17MB/s
Deleting file.
Starting tiny file benchmark. With 1MB file.
16k:320 Write Speed:3.72MB/s
16k:320 Write Speed:5.03MB/s
16k:320 Write Speed:2.57MB/s
16k:320 Average Write Speed:3.50MB/s
16k:320 Read Speed:20.28MB/s
16k:320 Read Speed:19.99MB/s
16k:320 Read Speed:19.91MB/s
16k:320 Average Read Speed:20.06MB/s
8k:640 Write Speed:2.69MB/s
8k:640 Write Speed:2.42MB/s
8k:640 Write Speed:2.42MB/s
8k:640 Average Write Speed:2.50MB/s
8k:640 Read Speed:13.99MB/s
8k:640 Read Speed:13.89MB/s
8k:640 Read Speed:13.79MB/s
8k:640 Average Read Speed:13.89MB/s
4k:1280 Write Speed:1.49MB/s
4k:1280 Write Speed:1.44MB/s
4k:1280 Write Speed:1.15MB/s
4k:1280 Average Write Speed:1.34MB/s
4k:1280 Read Speed:9.77MB/s
4k:1280 Read Speed:9.70MB/s
4k:1280 Read Speed:9.54MB/s
4k:1280 Average Read Speed:9.67MB/s
2k:2560 Write Speed:0.90MB/s
2k:2560 Write Speed:0.87MB/s
2k:2560 Write Speed:0.90MB/s
2k:2560 Average Write Speed:0.89MB/s
2k:2560 Read Speed:6.35MB/s
2k:2560 Read Speed:6.25MB/s
2k:2560 Read Speed:6.32MB/s
2k:2560 Average Read Speed:6.30MB/s
1k:5120 Write Speed:0.50MB/s
1k:5120 Write Speed:0.47MB/s
Requesting stop…
1k:5120 Write Speed:0.49MB/s
1k:5120 Average Write Speed:0.49MB/s
Stopped.
I have also a Sandisk Ultra Fit USB 3.0 16GB stick inserted in the same USB from my laptout but the speeds are
total different.
Refreshing devices.
Refreshing devices. [Done]
Starting benchmark.
Bechmarking E:(4C531001481116113330)
Started at 7/23/2019 5:40:02 PM
Filename: E:\test.tmp
Starting large file benchmark. With 100MB file.
16384k:6 Write Speed:95.16MB/s
16384k:6 Write Speed:94.96MB/s
16384k:6 Write Speed:94.94MB/s
16384k:6 Average Write Speed:95.02MB/s
16384k:6 Read Speed:133.22MB/s
16384k:6 Read Speed:133.21MB/s
16384k:6 Read Speed:133.09MB/s
16384k:6 Average Read Speed:133.17MB/s
8192k:12 Write Speed:94.92MB/s
8192k:12 Write Speed:94.85MB/s
8192k:12 Write Speed:94.86MB/s
8192k:12 Average Write Speed:94.88MB/s
8192k:12 Read Speed:133.61MB/s
8192k:12 Read Speed:133.58MB/s
8192k:12 Read Speed:133.52MB/s
8192k:12 Average Read Speed:133.57MB/s
4096k:25 Write Speed:94.97MB/s
4096k:25 Write Speed:94.97MB/s
4096k:25 Write Speed:95.06MB/s
4096k:25 Average Write Speed:95.00MB/s
4096k:25 Read Speed:134.28MB/s
4096k:25 Read Speed:134.23MB/s
4096k:25 Read Speed:134.21MB/s
4096k:25 Average Read Speed:134.24MB/s
2048k:50 Write Speed:95.01MB/s
2048k:50 Write Speed:94.57MB/s
2048k:50 Write Speed:94.95MB/s
2048k:50 Average Write Speed:94.84MB/s
2048k:50 Read Speed:134.41MB/s
2048k:50 Read Speed:134.07MB/s
2048k:50 Read Speed:134.32MB/s
2048k:50 Average Read Speed:134.27MB/s
1024k:100 Write Speed:94.48MB/s
1024k:100 Write Speed:94.17MB/s
1024k:100 Write Speed:93.88MB/s
1024k:100 Average Write Speed:94.17MB/s
1024k:100 Read Speed:134.12MB/s
1024k:100 Read Speed:133.90MB/s
1024k:100 Read Speed:133.98MB/s
1024k:100 Average Read Speed:134.00MB/s
512k:200 Write Speed:92.87MB/s
512k:200 Write Speed:92.72MB/s
512k:200 Write Speed:93.09MB/s
512k:200 Average Write Speed:92.90MB/s
512k:200 Read Speed:133.94MB/s
512k:200 Read Speed:130.88MB/s
512k:200 Read Speed:133.79MB/s
512k:200 Average Read Speed:132.85MB/s
Deleting file.
Starting small file benchmark. With 10MB file.
256k:40 Write Speed:66.27MB/s
256k:40 Write Speed:78.85MB/s
256k:40 Write Speed:78.64MB/s
256k:40 Average Write Speed:74.09MB/s
256k:40 Read Speed:122.65MB/s
256k:40 Read Speed:120.92MB/s
256k:40 Read Speed:120.73MB/s
256k:40 Average Read Speed:121.42MB/s
128k:80 Write Speed:61.05MB/s
128k:80 Write Speed:60.48MB/s
128k:80 Write Speed:60.54MB/s
128k:80 Average Write Speed:60.69MB/s
128k:80 Read Speed:108.94MB/s
128k:80 Read Speed:107.78MB/s
128k:80 Read Speed:106.74MB/s
128k:80 Average Read Speed:107.81MB/s
64k:160 Write Speed:41.49MB/s
64k:160 Write Speed:34.13MB/s
64k:160 Write Speed:32.67MB/s
64k:160 Average Write Speed:35.71MB/s
64k:160 Read Speed:101.30MB/s
64k:160 Read Speed:103.64MB/s
64k:160 Read Speed:103.52MB/s
64k:160 Average Read Speed:102.81MB/s
32k:320 Write Speed:26.77MB/s
32k:320 Write Speed:23.85MB/s
32k:320 Write Speed:26.73MB/s
32k:320 Average Write Speed:25.71MB/s
32k:320 Read Speed:73.27MB/s
32k:320 Read Speed:73.40MB/s
32k:320 Read Speed:73.35MB/s
32k:320 Average Read Speed:73.34MB/s
Deleting file.
Starting tiny file benchmark. With 1MB file.
16k:320 Write Speed:15.22MB/s
16k:320 Write Speed:15.25MB/s
16k:320 Write Speed:13.26MB/s
16k:320 Average Write Speed:14.51MB/s
16k:320 Read Speed:50.86MB/s
16k:320 Read Speed:50.61MB/s
16k:320 Read Speed:50.38MB/s
16k:320 Average Read Speed:50.62MB/s
8k:640 Write Speed:7.10MB/s
8k:640 Write Speed:7.50MB/s
8k:640 Write Speed:7.92MB/s
8k:640 Average Write Speed:7.49MB/s
8k:640 Read Speed:31.20MB/s
8k:640 Read Speed:30.87MB/s
8k:640 Read Speed:30.99MB/s
8k:640 Average Read Speed:31.02MB/s
4k:1280 Write Speed:2.33MB/s
4k:1280 Write Speed:2.29MB/s
4k:1280 Write Speed:2.28MB/s
4k:1280 Average Write Speed:2.30MB/s
4k:1280 Read Speed:17.44MB/s
4k:1280 Read Speed:17.47MB/s
4k:1280 Read Speed:17.05MB/s
4k:1280 Average Read Speed:17.32MB/s
2k:2560 Write Speed:1.18MB/s
2k:2560 Write Speed:1.18MB/s
2k:2560 Write Speed:1.19MB/s
2k:2560 Average Write Speed:1.18MB/s
2k:2560 Read Speed:9.29MB/s
2k:2560 Read Speed:9.31MB/s
2k:2560 Read Speed:9.33MB/s
2k:2560 Average Read Speed:9.31MB/s
1k:5120 Write Speed:0.59MB/s
1k:5120 Write Speed:0.60MB/s
1k:5120 Write Speed:0.60MB/s
1k:5120 Average Write Speed:0.60MB/s
1k:5120 Read Speed:4.81MB/s
1k:5120 Read Speed:4.86MB/s
1k:5120 Read Speed:4.86MB/s
1k:5120 Average Read Speed:4.84MB/s
Deleting file.
Benchmark done.
Ended at 7/23/2019 5:43:07 PM
- Chipset drivers are update
- The option in the device manager The Better performance is marked in both USBs
Why I get slow speed transfer from one and in the other is perfect. Sandisk you should create a tool to fix or test a USB performance and what could be the issue with the slow transfers.
