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Is it possible to have to have different kits of RAM of different brands with different speeds and CAS latency to work together?

 

I have a kit (2x8gb) of corsair vengeance 3000mHz C15 ram and wanted to get some faster ram. I was looking at the G.Skill Trident Z (2x8gb) 3600mHz C16. My build is mainly for gaming, but I also use for it school and occasionally run some engineering programs. I've heard that when you have the same brand of RAM, but different speed the system will resort to the slowest speed of RAM.Would I be able to pair both of these kits when I'm doing extensive work and then take out the slower kit for regular usage (like gaming)? Or would it be better to just save up for a 32gb kit of a faster RAM and sell/give away my current kit?

Usually I get by with my 16gb of RAM for school work or gaming, but even then then I'm hitting about 11-14gb of usage and under heavy work loads I reach 100% usage. I don't really want to upgrade to a different 32gb kit, so I was wondering how pairing 2 different kits would work. Thank you for taking your time to read this and I hope you have a great day!

 

My system:

Ryzen 5 3600

Corsair (2x8gb) Vengeance 3000mhz C15

B450 tomahawk MAX

EVGA 650 80+ gold 

Samsung 970 Evo

EVGA 1660ti

 

 

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It should work but I don't recommend it. Like you have heard it will use the slower of the speeds. But it is highly likely that the kits will not be compatible with each other and may cause crashing and bluescreens. You could have two identical ram kits, same speeds, manufacturer, and CL and still have issues. I always recommend to buy the amount and speed of memory you want/need in a kit rather than mix matching or buying separate kits. It's less risky and a full kit would be tested by the manufacturer to work together. If you want 32GB of ram buy a 32GB kit and sell the 16GB kit you have rather than mix matching kits or even buying a second of the same kit you already have.

Main Desktop: CPU - I9-9900k @5ghz | Mobo - Gigabyte Z390 Aorus Master | GPU - Asus ROG STRIX RTX 3090 Gaming OC RAM - G.Skill Trident Z RGB 32GB 3200mhz | AIO - H150i Pro XT | PSU - Evga 850 GQ | Case - Phanteks P500A Digital - White | Storage - Samsung 970 Pro M.2 NVME SSD 512GB / Sabrent Rocket 1TB Nvme / Samsung 860 Evo Pro 500GB / Samsung 970 EVO Plus 2tb Nvme |

 

TV Streaming PC: Intel Nuc CPU - i7 8th Gen | RAM - 16GB DDR4 2666mhz | Storage - 256GB WD Black M.2 NVME SSD |

 

Phone: Samsung Galaxy S20+ 5G - Deep Black 512GB |

 

If you ask for a Mid Tower case recommend, I will 90% of the time recommend the Fractal Design Meshify C or S2.

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They will work, but speed and timings will have to get worse, worse than the lesser binned kit.

CPU: i7-2600K 4751MHz 1.44V (software) --> 1.47V at the back of the socket Motherboard: Asrock Z77 Extreme4 (BCLK: 103.3MHz) CPU Cooler: Noctua NH-D15 RAM: Adata XPG 2x8GB DDR3 (XMP: 2133MHz 10-11-11-30 CR2, custom: 2203MHz 10-11-10-26 CR1 tRFC:230 tREFI:14000) GPU: Asus GTX 1070 Dual (Super Jetstream vbios, +70(2025-2088MHz)/+400(8.8Gbps)) SSD: Samsung 840 Pro 256GB (main boot drive), Transcend SSD370 128GB PSU: Seasonic X-660 80+ Gold Case: Antec P110 Silent, 5 intakes 1 exhaust Monitor: AOC G2460PF 1080p 144Hz (150Hz max w/ DP, 121Hz max w/ HDMI) TN panel Keyboard: Logitech G610 Orion (Cherry MX Blue) with SteelSeries Apex M260 keycaps Mouse: BenQ Zowie FK1

 

Model: HP Omen 17 17-an110ca CPU: i7-8750H (0.125V core & cache, 50mV SA undervolt) GPU: GTX 1060 6GB Mobile (+80/+450, 1650MHz~1750MHz 0.78V~0.85V) RAM: 8+8GB DDR4-2400 18-17-17-39 2T Storage: 1TB HP EX920 PCIe x4 M.2 SSD + 1TB Seagate 7200RPM 2.5" HDD (ST1000LM049-2GH172), 128GB Toshiba PCIe x2 M.2 SSD (KBG30ZMV128G) gone cooking externally Monitor: 1080p 126Hz IPS G-sync

 

Desktop benching:

Cinebench R15 Single thread:168 Multi-thread: 833 

SuperPi (v1.5 from Techpowerup, PI value output) 16K: 0.100s 1M: 8.255s 32M: 7m 45.93s

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Two different kits will work together at whatever you manage to make them work. Both rated speeds are "overclock" speeds anyway, so you would have to enter a RAM overclocking process to find a stable setup.

The only speed+timings both kits should be able to do for sure is the JEDEC standard for DDR4 (so 2133MHz CL15 and other timings I just don't know), there may be another one for 2400MHz but I'm not sure. Other than that, nothing is guaranteed, because although the 3600 kit is probably able of doing some 3000MHz setting, it may not coincide with the timings of the 3000 kit you have.

 

I think it's a safer bet to get more of the same 3000 memory, or sell it and replace it with a faster, higher capacity kit(s).

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