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3x8 gb ram vs 4x8 gb mixed(cas 15 and 16)

I have 3x8gb sticks of ddr4 3000 CAS 15 ram (2 corsair vengeance pro, 1 corsair lpx). I have the pros running in dual channel. I'm looking at getting another 8gb stick but it would be from a different manufacture with a CAS latency of 16. Would they work together in dual channel?

My mobo is a gigabyte ga-z270p-d3

 

Lpx ram(I only have 1 stick): https://www.amazon.com/Corsair-Vengeance-3000MHz-Desktop-Memory/dp/B0134EW7G8/ref=mp_s_a_1_1?ie=UTF8&qid=1543598181&sr=8-1&pi=AC_SX236_SY340_FMwebp_QL65&keywords=16gb+lpx

 

 Vengeance pro:

https://www.amazon.com/CORSAIR-Vengeance-3200MHz-Desktop-Memory/dp/B07D1XJWSJ/ref=mp_s_a_1_1?ie=UTF8&qid=1543598437&sr=8-1&pi=AC_SX236_SY340_FMwebp_QL65&keywords=16gb%2Bvengeance%2Bpro&dpPl=1&dpID=41jRizrlW1L&ref=plSrch&th=1&psc=1

 

Ram stick I'm looking at:

https://www.amazon.com/dp/B01IW7Z9GM/?tag=pcpapi-20

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i mean, it would most likely work, but you should try to keep the ram all the same, as it is paired to work better. 

Rig 1: i7-9700k OC'd to 5.0ghz all core | EVGA XC RTX 2080Ti | ADATA DDR4 2400mhz 4x8gb | ASUS PRIME Z370-P | Asetek 550LC 120mm | ADATA 480GB SSD & Toshiba P300 3TB | Cooler Master Masterbox MB500 | Win 10 Home | Logitech G910 Orion Spectrum, G502 Proteus Spectrum, G933 Artemis Spectrum Snow Wireless Limited Edition, Corsair MM300 Mouse Pad | 2 MSI Optix Curved 27" FHD Monitors 

 

(before i sold the WD drive and MSI gpu - https://www.userbenchmark.com/UserRun/11946219 171 gaming. felt good.)

 

Rig 2: i7-7700k Stock clocks | MSI Armor GTX 1070 | ADATA DDR4 2400mhz 2x8GB | MSI Z270 A-Pro | WD Green 240GB SSD & 2TB Seagate HDD | Thermaltake Core G21 Tempered Glass Edition | Win 10 Home | 2 HP Omen FHD 144hz 24.5" Monitors 

 

Rig 3: i7-6700 | GT 730 & GT 645 OEM | Some random DDR4 2133mhz 2x8gb sticks | OEM Dell Mobo | WD Black 2TB HDD & Toshiba 1TB HDD | Win 10 Home | 3 27" Dell FHD Monitors 

 

Rig 4: i7-4770 | EVGA SSC 1050ti | Some random DDR3 ram 2x2gb and 2x4gb sticks | OEM Dell Mobo | Stock Cooler | 1TB WD Black HDD | Win 7 Home 

 

RIP 

 

Rig 5 (dead and dismantled and sold) : i7-7820X OC'd to 4.8ghz all core | MSI DUKE 1080ti | ADATA DDR4 2400mhz 4x8gb | Gigabyte X299 UD4 PRO | Asetek 240mm AIO | WD Green 240gb SSD | Other various components that I can't remember

 

Rig 6 (same fate as rig 5) i7-8700k stock clocks | MSI DUKE 1080ti | ADATA DDR4 2400mhz 2x8gb | MSI Z370 A-Pro | Asetek 550LC 120mm | WD Green 240GB SSD & Toshiba 2TB HDD | Other various components that I can't Remember 

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You could see some issues. It is best to always make sure if you have two sticks running on the same channel to make sure they are EXACTLY the same. Even sticks that aren't manufactured togehter and packaged together have been known to cause issues in some rare cases.

"Although there's a problem on the horizon; there's no horizon." - K-2SO

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RAM is RAM, your board shouldn't care as long as it's all the same type(DDR3 can't mix with DDR4).

 

What will most likely happen here is your board will downclock all the memory to match the speed and timings of the slowest stick.

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28 minutes ago, TH3R34P3R said:

i mean, it would most likely work, but you should try to keep the ram all the same, as it is paired to work better. 

Originally I was going to use my 16gb LPX kit, but one of the sticks somehow broke in the process of removing the heat spreaders to replace them with RGB ones. Im guessing I caused heat damage when using a hairdryer to loosen the adhesive. I could have ordered a 8gb LPX replacement stick, but I would have to remove the heat spreader again and risk bricking it aswell. I ordered a 16gb RGB from corsair with the same specs to minimize compatibility issues. I figured it would be worth upgrading to 32 gb to get dual channel on the 3rd stick. unfortunately I could not find any 8gb ddr4 3000 cas 15 sticks that did not have a heat spreader. 

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