Durability USB port

Str. 108 USB 2.0 specification.
Test description: Durability
Performance requirement: 1500 insertion/extraction cycles at a maximum rate of 200 cycles per hour.
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But it is the criterion for passing the test for compliance with the standard, not the minimum requirements to the actual connector or port. But such claims, I have not found in the specification.

The problem is quite real — I have spoiled USB ports a maximum of 2 years of intense use. The solution was simple — connect the USB cable as an "extension" and all devices are inserted into this "extension cable". Periodically throw out those cable (Chinese junk for a few dollars) and buy a new one.

if the mechanical dead port, on the motherboard there are connectors like this www.jdresearch.com/9in1pin.jpg and there are connectors-nurse like this www.usbwholesale.com/images/Motherboard%20Cable%20Assembly.jpgthat are installed on the rear panel.

There is a more convenient option than the extension cable, namely a USB HUB, there is already 4 ports, there are 6 and 8 port usb hubs. Just need to decide what devices does the hub, if you connect power-hungry devices (external hard disk, scanner), then you need to take an active hub (with power supply) for about 500-700 USD, if just for flash drives, etc., suitable for passive 250-350 R.

How do you imagine such calculations?
It all depends on how carefully you use it.