Mrt Ultra pio write speed issue

[snmir]

Hi,

I recently got an mrt ultra card, and the pio write speed reaches 40 MB per second without changing in the default conditions, but my colleague has a speed of 80 MB per second with the same conditions and the same hard drive!

I talked to the mrt support team and they couldn't fix the problem and sent me a new card, but the conditions are still the same and it didn't affect the speed!

I tested with a newer system with Asus prime b760m-k motherboard with intel 12400 CPU, the speed is not more than 27 megabytes per second!

Do you have any comments?

My windows is 11 pro and I have 8 GB of RAM

[snmir]

I forgot to say that my colleague has his own card, which is an mrt ultra!

[fzabkar]

I would think that the motherboard chipset is the limiting factor in PIO mode. You didn't say which motherboard your colleague has, unless "same conditions" implies identical computer hardware and OS.

[snmir]

This is the specification of my colleague's system :
Amd Ryzeb 5 2400G
Asus TUF b450-plus gaming

I tested it on two other computers and it was the same problem again, the interesting thing is that they were all Intel based!

[Jirbun]

I tested it on two other computers and it was the same problem again

What did you test?
Your hdd with friend computer+friend mrt card as was implied from your words before?
How about install colleague mrt on your system or vice versa?
You should get an answer in this situation.

[fzabkar]

Microsoft/Intel/AMD drivers?