usb 3.0 question

Methen · Mar 14, 2016

Can you put one of those usb 3.0 cards in a pci express 16 ?

techgeek · Mar 14, 2016

While technically yes (it will only use the PCI-E lanes the card edge connects with) it seems a waste to use a X16 slot for a X1 card. Do you not have any X1 slots available?

basroil · Mar 14, 2016

I'm going to agree with techgeek here, it should work just fine, but completely pointless in 99% of cases.

Have you tried checking if your motherboard has USB3.0 headers open? You might not even need one of those cards if you do!

Methen · Mar 14, 2016

This is a older computer a Hp Pavilion a1720n, it only has usb 2.0.
and no it does not have any x1 slots that I can see...

techgeek · Mar 14, 2016

Well it should work like I said, it'll just use the PCI-E lanes that it's connected to.

basroil · Mar 14, 2016

Methen :

Your computer is NOT worth upgrading.
1)Considering it's age, it will likely die before you even make good use of the USB3.0.
2)On top of that, you MUST have Windows 7 installed for USB 3.0 to even work.
3) Finally, that computer is so slow that USB 3.0 won't be significantly faster for most things.

techgeek · Mar 14, 2016

basroil :

I might disagree a little. Assuming he has Windows 7 or higher, if he wants the benefit of USB 3.0 external storage, it would certainly benefit him. Have you tried doing backups on a system that only has USB 2.0 (at best 25MB/s). In this particular case, backups will finish in a fifth of the time.

basroil · Mar 14, 2016

techgeek :

Will it be faster? Yes. Will it be 5x faster? Highly doubtful. At best it's going to be 100MB/s, likely even lower (~75). And when it comes to backups, it will be almost 100% identical to since most files will end up being small enough that you're limited by USB and HDD IOPs

techgeek · Mar 14, 2016

My external USB 3.0 drive (WD My Book 4TB) gives me over 125MB/s. Granted I'm on a system with a native USB 3.0 chipset and my system is faster. USB 3.0 has a theoretical limit of 5Gbps which is over 500MB/s. So this motherboard has a PCI-E 2.0 capable chipset. So that's 500MB/s on a single lane. Even if the third party controller is only capable of 300MB/s that should still maximize any mechanical HDD throughput. USB 3.0 doesn't have a lot of CPU overhead, so his aging platform shouldn't hold him back in this particular instance.

In fact a USB 3.0 HDD is likely going to be faster than the internal drive he would be backing up from.

Methen · Mar 14, 2016

basroil :

Methen :

Your computer is NOT worth upgrading.
1)Considering it's age, it will likely die before you even make good use of the USB3.0.
2)On top of that, you MUST have Windows 7 installed for USB 3.0 to even work.
3) Finally, that computer is so slow that USB 3.0 won't be significantly faster for most things.

Methen · Mar 14, 2016

My computer works just fine for me, just needs a few tweaks.

basroil · Mar 14, 2016

Methen :

It works just fine now, but it's just too damn old and it will die on you sooner than later. Do you even have Windows 7? If not, it's actually CHEAPER to a get a new computer that has usb 3.0!

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