Unfortunately, this deal is no longer available
Patriot Viper 4 Blackout Series DDR4 16GB (2 x 8GB) 4000MHz Kit £79.86 at Amazon
202° Expired

Patriot Viper 4 Blackout Series DDR4 16GB (2 x 8GB) 4000MHz Kit £79.86 at Amazon

Expert (Beta) 8
Expert (Beta)
Posted 6th Dec 2019

This deal is expired. Here are some options that might interest you:

Good price and quality memory, in stock on december 19.

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8 Comments
Will this run on 4000mhz on x370 pro carbon? Cannot find any note except that this mobo is capped at 3200 so I doubt that it will run full speeds.
Seems too good to be true. Based on the reviews for the slower ram people seem to be struggling to hit the advertised speeds and timings. Can't see it being any different for ram that's even faster.
morofsky06/12/2019 11:23

Will this run on 4000mhz on x370 pro carbon? Cannot find any note except …Will this run on 4000mhz on x370 pro carbon? Cannot find any note except that this mobo is capped at 3200 so I doubt that it will run full speeds.


It absolutely won't on Zen and Zen+ parts. You might be able to with Zen 2 CPU, but then again why would you? 3600MHz is the sweet spot for Zen 2, and such dimms are available for cheaper.
Wow mad price compared with 3600MHz
apparantly the 4000 and 4400 variants of this ram are B-Die.

My VS Steel 4000 arrives today and i can test it with the rest of my new rig on tuesday (tomahawk max and R3600x) i doubt the config will be much different to the blackout.
Edited by: "Superficial" 6th Dec 2019
pierleone06/12/2019 11:43

It absolutely won't on Zen and Zen+ parts. You might be able to with Zen 2 …It absolutely won't on Zen and Zen+ parts. You might be able to with Zen 2 CPU, but then again why would you? 3600MHz is the sweet spot for Zen 2, and such dimms are available for cheaper.


I've read the review of this RAM on the Russian website. That guy was able to run this on a 4000MHz with ryzen 3600, but the speed during tests was worse than at 3600MHz.
KudzoSt06/12/2019 14:24

I've read the review of this RAM on the Russian website. That guy was able …I've read the review of this RAM on the Russian website. That guy was able to run this on a 4000MHz with ryzen 3600, but the speed during tests was worse than at 3600MHz.


Anything more than 3600 runs with a split multiplier which can cause a performance penalty. 3600 definitely the sweet spot.
Spacein_vader06/12/2019 15:08

Anything more than 3600 runs with a split multiplier which can cause a …Anything more than 3600 runs with a split multiplier which can cause a performance penalty. 3600 definitely the sweet spot.


The better chips can do 1900MHz on the IF to allow for 3800MT/s RAM with a 1:1 ratio. More still can do 1866MHz and 3733MT/s. A lot do top out at 1800/3600 though. The 3700X I had wouldn't do any higher than that.
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