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Is RAM incompatibility a big deal?

johntoch
By johntoch
in CPUs, Motherboards, and Memory
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A friend of mine is thinking about renewing his PC. He intends to salvage his old G. Skill 2666 DDR4 modules, but he's having a hard time finding a B550 board compatible with that particular model. Does he really need to buy new modules, or will he be able to use the old ones albeit in an unoptimized state while he saves up to buy some?

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Hard to say, sometimes they work and sometimws they don't. The only difference I could think is some special features wouldnt work on the board maybe.

The geek himself.

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ive never had a problem with ram compatibility so i never even bother checking the charts especially when i buying from a reputable brand like gskill

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Motherboard manufacturers can't possibly test every module out there, the list they have is just what they have already tested.

 

FWIW, RAM compatibility will rely more on the IMC of the CPU than the motherboard. The motherboard is usually a limiting factor in how fast the RAM can go, the motherboard can't really help you if the CPU doesn't like the RAM.

CPU: AMD Ryzen 5 3600  Heatsink: ID-Cooling Frostflow X GPU: Zotac GTX 1060 Mini 6GB RAM: KLEVV Bolt 3600Mhz (2x8GB) Mobo: ASUS B550-F ROG Strix (Wifi)  Case: Fractal Design Meshify C PSU: Deepcool DQ-M-V2L

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I assume hes going to pair the b550 motherboard with a ryzen 3000 series chip

 

A 2666mhz kit should not be a problem with that combo

 

Was only a big problem on 1st generation of ryzen chips where the IMC often is the problem

MAIN PC: AMD Ryzen 9 3900X@4.4GHz, Asus ROG Crosshair VIII Hero X570 WiFi, 32GB Corsair Vengeance RGB PRO@3600Mhz, Gigabyte Radeon RX5700XT Gaming OC, Creative Soundblaster Z, 2x 512GB XPG SX8200 Pro, 1TB Crucial MX500, 256GB Kingston KC600, 480GB Crucial BX500, 2x 2TB WD Blue, 2x 1TB WD Blue, 250GB Kingston A2000 , Corsair Hydro H100i RGB PLATINUM SE, Corsair HX1050, Corsair Carbide 500R
2ND PC: AMD Ryzen 7 3800X@4.3GHz, Gigabyte X570 Aorus Master, 32GB XPG Spectrix D60@3733Mhz, Sapphire Radeon RX580 Nitro+ 8GB, 512GB XPG SX8200 Pro, 2x 500GB Kingston A2000, 500GB Crucial MX500, 480GB Kingston A400, 2TB WD Blue, 2TB WD Green, 256GB XPG SX6000 Pro, Corsair Hydro H100i RGB PRO XT, Silverstone ST65F-GS, Corsair Carbide 275R TG
3RD PC: AMD Ryzen 7 3700X@4.3GHz, MSI MPG B550 Gaming Carbon WiFi, 32GB XPG Spectrix D60@3466Mhz, Gigabyte Radeon RX570 OC, 512GB XPG SX8200 Pro, 500GB Kingston A2000, 500GB Crucial MX500, 2x 250GB Crucial MX500, 240GB Patriot Burst, 2x WD Blue 1TB, 256GB Micron M600, ID Cooling Frostflow 240, Corsair VS650, NZXT H510
4TH PC: AMD Ryzen 7 2700X@4.2GHz, MSI MPG B550 Gaming Edge WiFi, 32GB XPG Spectrix D60@3466Mhz, Sapphire Radeon RX470 Nitro, 512GB XPG SX8200 Pro, 500GB Kingston A2000, 500GB Crucial MX500, 512GB ADATA SU800, 240GB Patriot Burst, 2x 1TB WD Blue, 256GB Micron M600, ID Cooling Frostflow 240, Silverstone ST50F-ES, Deepcool Matrexx 55
5TH PC: AMD Ryzen 5 2600@4.2GHz, MSI B450 Gaming Pro Carbon AC, 32GB Corsair Vengeance RGB PRO@3200Mhz, Asus ROG Strix RX570 OC, 512GB XPG SX8200 Pro, 500GB Kingston A2000, 500GB Crucial MX500, 512GB ADATA SU800, 1TB WD Blue, 240GB PNY CS900, Scythe Mugen 5 ARGB Plus, Silverstone ST50F-ES, Gaming Freak 4G-TFlux
WORK PC: AMD Ryzen 3 3100@4.3GHz, Asrock B450M Steel Legend, 32GB PNY XLR8@3200MHz, Sapphire RX470 Platinum Edition, 2x 500GB Kingston A2000, 500GB Crucial MX500, 256GB Kingston KC600, 250GB Crucial MX500, 256GB ADATA SU800, 512GB ADATA SU800, 240GB ADATA SU650, AMD Wraith Prism, Thermaltake Litepower 450W, Xigmatek Nemesis M

ITX HTPC: Intel I3-9100F, Asrock H310CM-ITX, 16GB PNY XLR8@2400MHz, MSI GTX1650 Super Ventus OC, 250GB Kingston A2000, 250GB Samsung 840 EVO, 256GB Kingston KC600, 256GB Micron M600, 240GB ADATA SU650, ID Cooling IS-50 MAX RGB, Thermaltake Litepower 450W, Cooler Master Elite 110A
Acer Nitro 5: AMD Ryzen 7 4800H, 16GB Kingston 3200MHz, Nvidia GTX1650, 512GB XPG SX8200 Pro, 512GB WD SN530, 500GB Crucial MX500

MSI PE60: Intel i7-5700HQ, 16GB Corsair Vengeance 2133Mhz, Nvidia GTX960m, 512GB ADATA SU800, 500GB Transcend SSD220Q
Alienware M17xR4: Intel i7-3940XM@4.5GHz, 24GB Kingston HyperX 1866MHz, Nvidia GTX980m, 960GB Crucial M500, 750GB WD Black

TRUENAS: Intel I7-3770K@4.5GHz, Asus Z77 V-Pro, 32GB Corsair Vengeance@2400MHZ, Sapphire RX470 Platinum Edition, 240GB PNY CS900, 480GB WD Green, 120GB WD Green, 240GB Patriot Burst, 2x 4TB WD Red, 2x 2TB WD Blue, 1TB WD Black, Cooler Master MA410M, Thermaltake Litepower 550W

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7 hours ago, bigmac999 said:

I assume hes going to pair the b550 motherboard with a ryzen 3000 series chip

 

A 2666mhz kit should not be a problem with that combo

 

Was only a big problem on 1st generation of ryzen chips where the IMC often is the problem

Either a 3000 or a 5000, but I suppose the latter shouldn't be a problem either.

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