does x570 board require two cpu power cables

[crashcrash1]

i got a 570x mobo with a ryzen 3700x and saw it has a 8 pin+4pin slots.i have a spare cpu cable which is the 8 pin that splits into 2 4pins. would it be fine to use two cables. im a bit new to this. my power supply is a EVGA SuperNOVA 850 G2, 80+ GOLD 850W

[Fasauceome]

You could hook up the extra cables if you want, but it's not gonna change anything

[crashcrash1]

so its just fine to have just one 8 pin cable in with the 4pin left empty

[The_russian]

For most cases, that should be fine. The extra connector is used for high overclocks that require more power. If you aren’t planning to overclock, it should be fine.

[crashcrash1]

ok thanks just a little paranoid lol. im using the computer now all fine. there doesnt seem to be any issues even when doing some bench marks 

[SpookyCitrus]

5 minutes ago, crashcrash1 said:

so its just fine to have just one 8 pin cable in with the 4pin left empty

Yes that is perfectly fine, the extra 4-pin is mainly used for overclocking. If you have the extra CPU connector then it won't hurt to plug it in. I always hook it up if the PSU has the extra connector however if it didn't or you don't want to and don't plan on overclocking it will be fine.

[GoldenLag]

2 minutes ago, crashcrash1 said:

there doesnt seem to be any issues even when doing some bench marks 

unless you do LN2  overclocking, you will never run into an issue with a single 8-pin EPS connector on a consumer plattform.

[GrockleTD]

1 minute ago, GoldenLag said:

unless you do LN2  overclocking, you will never run into an issue with a single 8-pin EPS connector on a consumer plattform.

Possibly not even with LN2

[Constantin]

I have the i7 9700k OC'd to 5.1Ghz, the extra 4 pin wasn't plugged in.

After about 5~6 months the mobo died.

I brought the PC to a local technician to check what was wrong as the PC was dead.

Long story short, he told me 90%  your mobo died was the missing extra 4 pin connector 

[GoldenLag]

Just now, GrockleTD said:

Possibly not even with LN2

LN2 3950x overclocking or 9900k overclocking might get close to the minimum spec EPS cable. its only 384w on minimum spec. and 420+ on the better spec. 

 

i say only. it will kill your VRM before melting the cable unless you get top tier boards. 

[crashcrash1]

5 minutes ago, SpookyCitrus said:

Yes that is perfectly fine, the extra 4-pin is mainly used for overclocking. If you have the extra CPU connector then it won't hurt to plug it in. I always hook it up if the PSU has the extra connector however if it didn't or you don't want to and don't plan on overclocking it will be fine.

so 2 cables plugged in wont blow up the board as i was going to do that. i wasnt sure if it worked like that 

[GrockleTD]

Just now, Rac3rZer0 said:

i would highly reccomend it, otherwise youd have to extremely underclock your cpu.

This is quite incorrect sir

[GoldenLag]

Just now, Constantin said:

Long story short, he told me 90% of your mobo died was the missing extra 4 pin connector 

um yeah, thats a poor excuse/lie from the technician. 

 

i7 9700k doesnt pull anywhere near enough to go above spec of the min spec 8 pin EPS. 

[crashcrash1]

2 minutes ago, Constantin said:

I have the i7 9700k OC'd to 5.1Ghz, the extra 4 pin wasn't plugged in.

After about 5~6 months the mobo died.

I brought the PC to a local technician to check what was wrong as the PC was dead.

Long story short, he told me 90%  your mobo died was the missing extra 4 pin connector 

now u made me super paranoid lol i might just plug in the extra cable 

[The_russian]

Just now, crashcrash1 said:

now u made me super paranoid lol i might just plug in the extra cable 

If you have the extra cable, I would plug it in. It won’t hurt the system, it can only help it.

[crashcrash1]

Just now, The_russian said:

If you have the extra cable, I would plug it in. It won’t hurt the system, it can only help it.

ok thanks

[GoldenLag]

Just now, crashcrash1 said:

now u made me super paranoid lol i might just plug in the extra cable 

if you have an extra cable. why not, but there is no way you will be able to pull enough current through the cable without the CPU or VRM killings itself. 

 

the technitian probably just made an excuse as to why it happened. 

 

4 minutes ago, Rac3rZer0 said:

i would highly reccomend it, otherwise youd have to extremely underclock your cpu.

that is not how parallel power connectors work.......

1 minute ago, The_russian said:

If you have the extra cable, I would plug it in. It won’t hurt the system, it can only help it.

that is kinda true, but also the extra cable is actually entirely pointless unless you do LN2 overclocking. 

[crashcrash1]

1 minute ago, GoldenLag said:

if you have an extra cable. why not, but there is no way you will be able to pull enough current through the cable without the CPU or VRM killings itself. 

 

the technitian probably just made an excuse as to why it happened. 

 

that is not how parallel power connectors work.......

that is kinda true, but also the extra cable is actually entirely pointless unless you do LN2 overclocking. 

thanks golden. ill just plug in the extra cable to be on the safe side

[GoldenLag]

Just now, crashcrash1 said:

thanks golden. ill just plug in the extra cable to be on the safe side

sounds good. 

 

as long as you know that a single 8-pin power cable can do 384w. and the CPU would die on ambient temps pulling that much current. 

 

i am just trying to hammer through how pointless the extra power connector actually is. just out of curiosity. what mobo is it?

[SpookyCitrus]

9 minutes ago, Rac3rZer0 said:

i would highly reccomend it, otherwise youd have to extremely underclock your cpu.

What? Lmao.

[crashcrash1]

1 minute ago, GoldenLag said:

sounds good. 

 

as long as you know that a single 8-pin power cable can do 384w. and the CPU would die on ambient temps pulling that much current. 

 

i am just trying to hammer through how pointless the extra power connector actually is. just out of curiosity. what mobo is it?

ASUS TUF Gaming X570-Plus ATX Motherboard

[SpookyCitrus]

11 minutes ago, Constantin said:

I have the i7 9700k OC'd to 5.1Ghz, the extra 4 pin wasn't plugged in.

After about 5~6 months the mobo died.

I brought the PC to a local technician to check what was wrong as the PC was dead.

Long story short, he told me 90%  your mobo died was the missing extra 4 pin connector 

Nah there's no way, that technician was full of baloney. They probably just gave that as the excuse because it was the only thing they could find that was "incorrect" or that they noticed. Motherboards die, it can happen.

[GoldenLag]

3 minutes ago, crashcrash1 said:

ASUS TUF Gaming X570-Plus ATX Motherboard

yeah, that one is good. 

[SpookyCitrus]

2 minutes ago, Rac3rZer0 said:

https://giphy.com/gifs/dog-pretty-Pn1gZzAY38kbm

The single 8-pin power connection is more than adequate for stock settings and even hefty overclocks, the extra 4-pin is for extreme overclocking, pushing the CPU to the absolute max. If a user is just going to be using stock settings or go for a minor to heavy overclock they are going to be more than fine. It doesn't hurt the computer or speeds to not have it plugged in and vice versa to plug it in. The only real time you would actually need the extra power is in extreme overclocking with LN2/Custom cooling, definitely not necessary for the average consumer. If you think you need to underclock any modern consumer CPU because it only has one 8-pin power connector connected you're misinformed.

[Jurrunio]

7 minutes ago, Rac3rZer0 said:

he said dont use any pins, use the cpu data connecters instead...

there is no such thing as CPU data connector, all data is transmitted through traces in the motherboard. What OP did say is he has got a spare CPU power cable that could occupy the 4pin, which means the 8pin is already connected.