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I did not talk about Thunderbolt 4, what I was asking is if doing without a pcie x4 slot (instead of using it for an ssd) through an external extension cord it is possible to insert a PCI 2 x16 graphics card, this allows you to have a laptop maybe a very light ultrabook that if connected to a fixed location can provide a power comparable to a fixed. The fact that PCIe switch/mux heat up I don't see it as an extremely serious problem since they could be placed outside the laptop (maybe in the case of the egpu). This would in my opinion be very useful in niche environments, both for casual gamers and for professionals who need to have an extremely portable and efficient device on the move but with high power in a fixed location when needed (other than apple ).

is there a pcie gen 5 x4 to pcie gen 3 x16 converter? such a device would allow you to have real egpu or am I wrong?

Yes, this is true but losing the phone is not that unusual and if from this then comes a loss of all the money in the current account is not so negligible.

This is true if for 2-factor authentication, but in common use biometric systems are used as an alternative access mechanism So if one method has a 50% chance of being compromised and the other has a 25% chance of being compromised, the probability of the system being compromised is equal to 1-(0.5*0.25) to 87.5%

I do not know if you can make a questionnaire within the blog, would you recommend using biometric systems for access to sensitive data such as current smartphone account and computers?

It definitely makes access very quick, but if you use it in combination of a 4-digit pin from a security point of view it's useless

I agree that cascading them leads to a lot of security, but using them in parallel in my opinion diminishes it. Think in everyday use such as in Windows hello or in the unlocking of smartphones, biometric authentication is carried out in parallel.

If you set a stronger password than an access with biometric data then the biometric data in if it does not increase security. A concrete example is in mobile applications, think of applications like PayPal or banking applications, if you skill access with fingerprints is equivalent to authenticating with the unlock code of the phone (I tested it on iOS)

The problem is: Does having password access and biometric authentication improve security compared to having only the password as a sign-in mechanism? In my opinion, no because password attacks remain valid and attacks against biometric systems are added

Do you think that using biometric data to access applications and operating systems increases security compared to just password access?

I know it's a desktop computer inside a laptop case, but do you think it's the most powerful on the market? Can you find better? And especially what score would come on cinebench, considering it has the bios unlocked and then you could overclock it

What do you think is the most powerful laptop on the market? I found a site https://eurocom.com/ec/modelsg(7)MobileSupercomputers Where you can buy a laptop that has the components of a tower computer: Cpu: I9-9900KF GPU: Dual gtx 2080 RAM: 128Gb DDR4 Unlocked bios 3 m2 ssd 2 stata ssd Display or 4K 60Hz or FHD 144Hz 2 LAN ethernet port 780W power supply Do you know if there is a more powerful laptop?