Samsung 850 EVO SSD doesnt work when plugged into SATA III port.

[Tandy_]

So i've been using my SSD (Samsung 850 EVO 250gb model) through a sata 2 port on my motherboard for a while now, but whenever i tried to plug the sata cable into the sata 3 port on the motherboard, the computer starts up, and then promptly shuts down without displaying anything on the screen.

What i need to know is if i need to buy a SATA III cable to plug it from my SSD into the sata III port, and how would i know if the current cable im using is not compatible with sata III. (Which would mean that it's a SATA 2 cable?)

 

[Mattios]

If the PC doesn't boot at all, then it isn't an issue with the cable, most likely the port. Do you have any other SATA III ports that you can try?

 

[Tandy_]

If the PC doesn't boot at all, then it isn't an issue with the cable, most likely the port. Do you have any other SATA III ports that you can try?

Nope, but today or tomorrow I'll go to the nearest tech store and pick up a decent SATA III cable.

Also you understood wrong; I meant that only if i try to plug it into the SATA III port with the SATA II cable it doesn't work, otherwise it's fine.

Also, how would i know if the current cable i'm using is a SATA II cable?

 

[Mattios]

All SATA cables are backwards compatible. It is possible to get a bad cable, but incredibly unlikely. I highly doubt that a new cable will solve anything.

The cables normally have text written on them along the length of them - you'll probably find the SATA version there.

 

[Tandy_]

If the PC doesn't boot at all, then it isn't an issue with the cable, most likely the port. Do you have any other SATA III ports that you can try?

Found another SATA 3 cable in an older computer, now ssd work perfectly and at full advertised speed!