Corsair Vengeance LPX 3200 C16 Overclocking

[Coachdude]

I have an Intel Core i7-6700K and an Asus Maximus IX Hero motherboard. I'm currently running this ram set at it's rated XMP profile, 3200 at 1.35 volts. I know it's completely unnecessary to go any farther, but what kind of voltage would be safe to run an overclock past it's rated XMP for daily use? Is 1.4 volts safe? Is 1.45 pushing it? I appreciate any replies, and have a nice day!

[DocSwag]

@done12many2 @MageTank

[VoyexTech]

1 minute ago, Coachdude said:

I have an Intel Core i7-6700K and an Asus Maximus IX Hero motherboard. I'm currently running this ram set at it's rated XMP profile, 3200 at 1.35 volts. I know it's completely unnecessary to go any farther, but what kind of voltage would be safe to run an overclock past it's rated XMP for daily use? Is 1.4 volts safe? Is 1.45 pushing it? I appreciate any replies, and have a nice day!

Personally, 1.35 is what I would use for everyday use. You could run 1.45 but I personally wouldn't leave it there full time. 1.35v is safe. 1.45 is ok for testing but I wouldn't run it for extensive periods of time.

[done12many2]

59 minutes ago, Coachdude said:

I have an Intel Core i7-6700K and an Asus Maximus IX Hero motherboard. I'm currently running this ram set at it's rated XMP profile, 3200 at 1.35 volts. I know it's completely unnecessary to go any farther, but what kind of voltage would be safe to run an overclock past it's rated XMP for daily use? Is 1.4 volts safe? Is 1.45 pushing it? I appreciate any replies, and have a nice day!

 

You'll be fine with 1.4 to 1.45 volts.  Truthfully, I'd spend more time working on timings.  While overall latency is a product of clock speed / timings, most people have a tremendous amount of room for improvement in timings alone.  I'll take lower latency over more bandwidth anytime unless I was on a platform that needed the bandwidth just to keep the CPU fed.  Even then, latency trumps the bandwidth provided that there's already enough bandwidth.  

[MageTank]

6 hours ago, Coachdude said:

I have an Intel Core i7-6700K and an Asus Maximus IX Hero motherboard. I'm currently running this ram set at it's rated XMP profile, 3200 at 1.35 volts. I know it's completely unnecessary to go any farther, but what kind of voltage would be safe to run an overclock past it's rated XMP for daily use? Is 1.4 volts safe? Is 1.45 pushing it? I appreciate any replies, and have a nice day!

The "safety" of the voltage depends on the IC's in the kit, and what they were designed to run at. If we are talking safety in the context of your CPU, then keep VCCIO/VCCSA under 1.3v each for 24/7 (I personally recommend keeping below 1.25v, but it won't really cause damage to run 1.3v, just not efficient). If the context is of the memory itself, again, the IC's are important to know. I'd say most can tolerate 1.4-1.45v each without any real risk to the longevity of the memory, but it's not a question of what is safe, but rather, what is needed. Some kits just scale poorly with voltage, and no amount of voltage will improve their performance. My Samsung B-Die kit (3200 C14 Dual rank) does not scale beyond 1.39v. Even at 1.5v, I cannot get the timings any tighter, or clocks any higher. Some kits on the other hand, scale dramatically all the way up to 2v+. 

 

Some XMP's these days even come with 1.45v and 1.5v profiles, and from what I see, have been tested and approved at those voltages, though with their pricing and limited availability, we have zero statistics on longevity. I can say that I have personally ran DDR4 at 1.45v on my PANRAM Hynix kit for over a year with zero degradation or damage, and they were rated for 1.2v. As with all overclocking, your mileage is going to vary.