Testing Methodology and Documentation

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Lenovo Thinkpad X1 Carbon 7th

Specifications

  • Processor: Intel(R) Core(TM) i5-10210U CPU @ 1.60GHz 2.11 GHz
  • Installed RAM: 16.0 GB (15.8 GB usable) 1x 16GBLPDDR3-2133
  • SSD: 1x 512PCIeNVMe
  • System type: 64-bit operating system, x64-based processor.
  • Operating system: Windows 10 Pro Version 21H1, OS build 19043.1288
  • Installation date: 5/‎27/‎2020
  • Experience: Windows Feature Experience Pack 120.2212.3920.0
  • 1x USB 3.1 Gen 1 (USB31#1)
  • 1x USB 3.1 Gen 1 (Always On) (USB31#2)
  • 2x USB-C 3.1 Gen 2 / Thunderbolt 3 (support data transfer, Power Delivery and DisplayPort™ 1.2) (USBC#1, USBC#2)

Qualification protocol

  1. Ports tested with PassMark USB S.O.S. (Short circuit - Over voltage - Sensor) We checked the proper wiring and quality of each USB port on the laptop with the PassMark USB S.O.S The Apple USB-C to USB Adapter was used for USB C ports.

All USB ports on the laptop passed the test.

  1. Data transfer speed for each port

    We use the PassMark USB 3.0 loopback to qualify each USB port on the computer. We run a benchmark test using USB3.0Tester application over 3 min with Read then Write for each data packet transfered.

Results

USB31#1

USB 3.1 Gen 1 port on the left side

Full log file

Mon Nov  8 13:58:23 2021: Benchmark  - OVERALL BENCHMARK RESULT:
Mon Nov  8 13:58:23 2021: Benchmark  - Test Start time: Mon Nov  8 13:55:22 2021
Mon Nov  8 13:58:23 2021: Benchmark  - Duration: 000h 03m 00s
Mon Nov  8 13:58:23 2021: Benchmark  - Total number of bytes written: 29070 MB
Mon Nov  8 13:58:23 2021: Benchmark  - Total number of bytes read: 29070 MB
Mon Nov  8 13:58:23 2021: Benchmark  - Maximum Write Data Rate: 3158.2 Mb/s (394.8 MB/s)
Mon Nov  8 13:58:23 2021: Benchmark  - Maximum Read Data Rate: 3361.8 Mb/s (420.2 MB/s)
Mon Nov  8 13:58:23 2021: Benchmark  - Minimum Write Data Rate: 2761.5 Mb/s (345.2 MB/s)
Mon Nov  8 13:58:23 2021: Benchmark  - Minimum Read Data Rate: 3339.2 Mb/s (417.4 MB/s)
Mon Nov  8 13:58:23 2021: Benchmark  - Average Write Data Rate: 2980.8 Mb/s (372.6 MB/s)
Mon Nov  8 13:58:23 2021: Benchmark  - Average Read Data Rate: 3348.9 Mb/s (418.6 MB/s)
Mon Nov  8 13:58:23 2021: Benchmark  - Average Data Rate: 3154.2 Mb/s (394.3 MB/s)
Mon Nov  8 13:58:23 2021: Benchmark  - Minimum Data Rate: 2761.5 Mb/s (345.2 MB/s)

USB31#2

USB 3.1 Gen 1 port always on onm the right side

At USB 3.0 speed log file

Mon Nov  8 13:40:26 2021: Benchmark  - OVERALL BENCHMARK RESULT:
Mon Nov  8 13:40:26 2021: Benchmark  - Test Start time: Mon Nov  8 13:37:25 2021
Mon Nov  8 13:40:26 2021: Benchmark  - Duration: 000h 03m 00s
Mon Nov  8 13:40:26 2021: Benchmark  - Total number of bytes written: 28942 MB
Mon Nov  8 13:40:26 2021: Benchmark  - Total number of bytes read: 28942 MB
Mon Nov  8 13:40:26 2021: Benchmark  - Maximum Write Data Rate: 3204.5 Mb/s (400.6 MB/s)
Mon Nov  8 13:40:26 2021: Benchmark  - Maximum Read Data Rate: 3342.0 Mb/s (417.8 MB/s)
Mon Nov  8 13:40:26 2021: Benchmark  - Minimum Write Data Rate: 3032.6 Mb/s (379.1 MB/s)
Mon Nov  8 13:40:26 2021: Benchmark  - Minimum Read Data Rate: 3268.1 Mb/s (408.5 MB/s)
Mon Nov  8 13:40:26 2021: Benchmark  - Average Write Data Rate: 3068.4 Mb/s (383.6 MB/s)
Mon Nov  8 13:40:26 2021: Benchmark  - Average Read Data Rate: 3314.3 Mb/s (414.3 MB/s)
Mon Nov  8 13:40:26 2021: Benchmark  - Average Data Rate: 3186.6 Mb/s (398.3 MB/s)
Mon Nov  8 13:40:26 2021: Benchmark  - Minimum Data Rate: 3032.6 Mb/s (379.1 MB/s)

USBC#1

Main USB C Thunderbolt 3 port

At USB 3.0 Speed Full log file

Mon Nov  8 13:49:20 2021: Benchmark  - OVERALL BENCHMARK RESULT:
Mon Nov  8 13:49:20 2021: Benchmark  - Test Start time: Mon Nov  8 13:46:18 2021
Mon Nov  8 13:49:20 2021: Benchmark  - Duration: 000h 03m 00s
Mon Nov  8 13:49:20 2021: Benchmark  - Total number of bytes written: 28942 MB
Mon Nov  8 13:49:20 2021: Benchmark  - Total number of bytes read: 29070 MB
Mon Nov  8 13:49:20 2021: Benchmark  - Maximum Write Data Rate: 3272.5 Mb/s (409.1 MB/s)
Mon Nov  8 13:49:20 2021: Benchmark  - Maximum Read Data Rate: 3361.0 Mb/s (420.1 MB/s)
Mon Nov  8 13:49:20 2021: Benchmark  - Minimum Write Data Rate: 2826.7 Mb/s (353.3 MB/s)
Mon Nov  8 13:49:20 2021: Benchmark  - Minimum Read Data Rate: 3334.1 Mb/s (416.8 MB/s)
Mon Nov  8 13:49:20 2021: Benchmark  - Average Write Data Rate: 2990.4 Mb/s (373.8 MB/s)
Mon Nov  8 13:49:20 2021: Benchmark  - Average Read Data Rate: 3346.4 Mb/s (418.3 MB/s)
Mon Nov  8 13:49:20 2021: Benchmark  - Average Data Rate: 3158.8 Mb/s (394.8 MB/s)
Mon Nov  8 13:49:20 2021: Benchmark  - Minimum Data Rate: 2826.7 Mb/s (353.3 MB/s)

At USB 2.0 speed Full log file

Mon Nov  8 17:02:38 2021: Benchmark  - OVERALL BENCHMARK RESULT:
Mon Nov  8 17:02:38 2021: Benchmark  - Test Start time: Mon Nov  8 16:59:35 2021
Mon Nov  8 17:02:38 2021: Benchmark  - Duration: 000h 03m 00s
Mon Nov  8 17:02:38 2021: Benchmark  - Total number of bytes written: 3776 MB
Mon Nov  8 17:02:38 2021: Benchmark  - Total number of bytes read: 3808 MB
Mon Nov  8 17:02:38 2021: Benchmark  - Maximum Write Data Rate: 358.5 Mb/s (44.8 MB/s)
Mon Nov  8 17:02:38 2021: Benchmark  - Maximum Read Data Rate: 374.4 Mb/s (46.8 MB/s)
Mon Nov  8 17:02:38 2021: Benchmark  - Minimum Write Data Rate: 318.1 Mb/s (39.8 MB/s)
Mon Nov  8 17:02:38 2021: Benchmark  - Minimum Read Data Rate: 364.1 Mb/s (45.5 MB/s)
Mon Nov  8 17:02:38 2021: Benchmark  - Average Write Data Rate: 327.8 Mb/s (41.0 MB/s)
Mon Nov  8 17:02:38 2021: Benchmark  - Average Read Data Rate: 368.6 Mb/s (46.1 MB/s)
Mon Nov  8 17:02:38 2021: Benchmark  - Average Data Rate: 347.1 Mb/s (43.4 MB/s)
Mon Nov  8 17:02:38 2021: Benchmark  - Minimum Data Rate: 318.1 Mb/s (39.8 MB/s)

USBC#2

Additional USB C Thunderbolt 3 port next to the main USB C port

At USB 3.0 Speed Full log file

Mon Nov  8 13:58:23 2021: Benchmark  - OVERALL BENCHMARK RESULT:
Mon Nov  8 13:58:23 2021: Benchmark  - Test Start time: Mon Nov  8 13:55:22 2021
Mon Nov  8 13:58:23 2021: Benchmark  - Duration: 000h 03m 00s
Mon Nov  8 13:58:23 2021: Benchmark  - Total number of bytes written: 29070 MB
Mon Nov  8 13:58:23 2021: Benchmark  - Total number of bytes read: 29070 MB
Mon Nov  8 13:58:23 2021: Benchmark  - Maximum Write Data Rate: 3158.2 Mb/s (394.8 MB/s)
Mon Nov  8 13:58:23 2021: Benchmark  - Maximum Read Data Rate: 3361.8 Mb/s (420.2 MB/s)
Mon Nov  8 13:58:23 2021: Benchmark  - Minimum Write Data Rate: 2761.5 Mb/s (345.2 MB/s)
Mon Nov  8 13:58:23 2021: Benchmark  - Minimum Read Data Rate: 3339.2 Mb/s (417.4 MB/s)
Mon Nov  8 13:58:23 2021: Benchmark  - Average Write Data Rate: 2980.8 Mb/s (372.6 MB/s)
Mon Nov  8 13:58:23 2021: Benchmark  - Average Read Data Rate: 3348.9 Mb/s (418.6 MB/s)
Mon Nov  8 13:58:23 2021: Benchmark  - Average Data Rate: 3154.2 Mb/s (394.3 MB/s)
Mon Nov  8 13:58:23 2021: Benchmark  - Minimum Data Rate: 2761.5 Mb/s (345.2 MB/s)

At USB 2.0 speed Full log file

Mon Nov  8 17:09:08 2021: Benchmark  - OVERALL BENCHMARK RESULT:
Mon Nov  8 17:09:08 2021: Benchmark  - Test Start time: Mon Nov  8 17:06:05 2021
Mon Nov  8 17:09:08 2021: Benchmark  - Duration: 000h 03m 00s
Mon Nov  8 17:09:08 2021: Benchmark  - Total number of bytes written: 3744 MB
Mon Nov  8 17:09:08 2021: Benchmark  - Total number of bytes read: 3744 MB
Mon Nov  8 17:09:08 2021: Benchmark  - Maximum Write Data Rate: 347.6 Mb/s (43.4 MB/s)
Mon Nov  8 17:09:08 2021: Benchmark  - Maximum Read Data Rate: 370.6 Mb/s (46.3 MB/s)
Mon Nov  8 17:09:08 2021: Benchmark  - Minimum Write Data Rate: 315.1 Mb/s (39.4 MB/s)
Mon Nov  8 17:09:08 2021: Benchmark  - Minimum Read Data Rate: 363.8 Mb/s (45.5 MB/s)
Mon Nov  8 17:09:08 2021: Benchmark  - Average Write Data Rate: 320.7 Mb/s (40.1 MB/s)
Mon Nov  8 17:09:08 2021: Benchmark  - Average Read Data Rate: 366.1 Mb/s (45.8 MB/s)
Mon Nov  8 17:09:08 2021: Benchmark  - Average Data Rate: 341.9 Mb/s (42.7 MB/s)
Mon Nov  8 17:09:08 2021: Benchmark  - Minimum Data Rate: 315.1 Mb/s (39.4 MB/s)