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i bought msi b350 mortar and ryzen 5 2400G with ram 2400mhz as the seller said that the 3000mhz will crash with the mobo (in the manual it really say that the max speed is 2666)but now i see on youtube that its possible to run even 3200mhz with the b350 (not sure if it is the same one) 
my question is does it really matter??
and if so ... can i overclock the ram speed to maybe 2800 ?! (psu:bitfinix bpa 600w ... should i upgrade it?!)

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The seller is just dumb, the max officially supported speed is 2666MHz, but you can go much higher than that. Speed does matter a bit for Ryzen, you can get a little 10% bump in some cases for what I've seen, but no big deal if you're running fine. You probably will be able to OC it to 2800MHz, try it out, and the PSU doesn't matter because the consumption is minimal.  If you use the Vega 10 as GPU, it will matter much more, if you don't use the iGPU, in which case you should've bought the 2600 instead, it won't matter much, as I said.

CPU: i7 2600K 4.4GHz@1.3V | Motherboard: Asus P8P67 Pro | CPU Cooler: CoolerMaster Hyper 212x | RAM: Corsair Vengeance 4x4GB @1600MHz CL9

GPU: Gigabyte GTX 1070 Ti G1 Gaming @2GHz | Storage: Samsung 850 Evo 250GB + Seagate Barracuda 2TB  | PSU: Corsair TX550M | Monitor: LG 29UM69G

Keyboard: Corsair K70 LUX MX Red | Mouse: Corsair M65 Pro RGB | Case: Corsair Carbide 400C | Headphone: Beyerdynamic DT-770 Pro | Microphone: Blusmart Lapel

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5 minutes ago, Vasllo said:

The seller is just dumb, the max officially supported speed is 2666MHz, but you can go much higher than that. Speed does matter a bit for Ryzen, you can get a little 10% bump in some cases for what I've seen, but no big deal if you're running fine. You probably will be able to OC it to 2800MHz, try it out, and the PSU doesn't matter because the consumption is minimal.  If you use the Vega 10 as GPU, it will matter much more, if you don't use the iGPU, in which case you should've bought the 2600 instead, it won't matter much, as I said.

if i OC the ram to 2800 will i have any trouble ?! and does it warth the effort and the money to change it with the 3000 (comared to the 2800) ?!

another question ... in the future if i need to buy more ram can i get higher speed or iam limited with the 2400? (iam using 2 ram slots and there r 2 more slots)

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1 minute ago, william97 said:

if i OC the ram to 2800 will i have any trouble ?! and does it warth the effort and the money to change it with the 3000 (comared to the 2800) ?!

another question ... in the future if i need to buy more ram can i get higher speed or iam limited with the 2400? (iam using 2 ram slots and there r 2 more slots)

If you get to 2800MHz, you'll be alright, not much difference to 3000MHz, which is usually the sweetspot (also 2933MHz). As I said, the speed will matter much more if you're using the integrated graphics, and less if you're using a graphics card. If you install another kit in the future, both kits will be set to the slowest speed of the two, so 2800MHz if you can overclock and 2666MHz if not. Something that also matter a lot is the CAS/CL timing, a 3000MHz RAM with CAS15 is faster than one with CAS18 or higher, for example.

CPU: i7 2600K 4.4GHz@1.3V | Motherboard: Asus P8P67 Pro | CPU Cooler: CoolerMaster Hyper 212x | RAM: Corsair Vengeance 4x4GB @1600MHz CL9

GPU: Gigabyte GTX 1070 Ti G1 Gaming @2GHz | Storage: Samsung 850 Evo 250GB + Seagate Barracuda 2TB  | PSU: Corsair TX550M | Monitor: LG 29UM69G

Keyboard: Corsair K70 LUX MX Red | Mouse: Corsair M65 Pro RGB | Case: Corsair Carbide 400C | Headphone: Beyerdynamic DT-770 Pro | Microphone: Blusmart Lapel

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2 minutes ago, william97 said:

.

in general on ryzen you want 3200, but for a 2400g i'd recommend just overclock it to whatever is stable and call it there, don't bother with 4 sticks in the future.

5950x 1.33v 5.05 4.5 88C 195w ll R20 12k ll drp4 ll x570 dark hero ll gskill 4x8gb 3666 14-14-14-32-320-24-2T (zen trfc)  1.45v 45C 1.15v soc ll evga non-3090 tie ftw3 1905 0.8v 65C 270w (double fps of 1080ti) ll samsung 970 500gb nvme os ll sandisk 4tb ssd ll all nf12/14 fans ll tt gt10 case ll evga g2 1300w ll w10 pro ll 34GN850B ll x27 ll PA272w

 

9900k 1.36v 5.1avx 4.9ring 85C 195w (daily) 1.02v 4.3ghz 80w 50C R20 temps score=5500 ll D15 ll Z390 taichi ult 1.60 bios ll gskill 4x8gb 14-14-14-30-280-20 ddr3666  bdie 1.45v 45C 1.22sa/1.18 io  ll EVGA non-30 tie XC 1830//7600 0.85v 210w ll  8x nf12/14 fans 2x samsung 860 evo 500gb raid 0 ll 500gb nvme 970 evo ll Corsair graphite 780T ll EVGA P2 1200w ll Windows 10 Pro ll NEC PA242w (movie, work mon dying) 1080p 60hzll Predator X27 4k144 hdr (using at 4:4:4 98 fan is dying)

 

 

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26 minutes ago, william97 said:

as the seller said that the 3000mhz will crash with the mobo

some sticks will need manual memory overclocking if the XMP profile doesnt work.

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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34 minutes ago, Vasllo said:

If you get to 2800MHz, you'll be alright, not much difference to 3000MHz, which is usually the sweetspot (also 2933MHz). As I said, the speed will matter much more if you're using the integrated graphics, and less if you're using a graphics card. If you install another kit in the future, both kits will be set to the slowest speed of the two, so 2800MHz if you can overclock and 2666MHz if not. Something that also matter a lot is the CAS/CL timing, a 3000MHz RAM with CAS15 is faster than one with CAS18 or higher, for example.

its cl17 ... and yes i will use the igpu for a while 

 

26 minutes ago, Jurrunio said:

some sticks will need manual memory overclocking if the XMP profile doesnt work.

mine is crucial 4gb ddr4 2400mhz cl17 1.2v (2x4)

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3 minutes ago, william97 said:

mine is crucial 4gb ddr4 2400mhz cl17 1.2v (2x4)

So that's your base, try to see if it boots at 2800MHz, if not, leave at 2666MHz and try to lower the CAS to CL16, if not, CL17 it will be. It's a pretty bad kit of memory for Ryzen, specially for APUs like yours.

CPU: i7 2600K 4.4GHz@1.3V | Motherboard: Asus P8P67 Pro | CPU Cooler: CoolerMaster Hyper 212x | RAM: Corsair Vengeance 4x4GB @1600MHz CL9

GPU: Gigabyte GTX 1070 Ti G1 Gaming @2GHz | Storage: Samsung 850 Evo 250GB + Seagate Barracuda 2TB  | PSU: Corsair TX550M | Monitor: LG 29UM69G

Keyboard: Corsair K70 LUX MX Red | Mouse: Corsair M65 Pro RGB | Case: Corsair Carbide 400C | Headphone: Beyerdynamic DT-770 Pro | Microphone: Blusmart Lapel

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5 minutes ago, william97 said:

mine is crucial 4gb ddr4 2400mhz cl17 1.2v (2x4)

I don't fancy your chances to hit 2800. Crucial sticks exclusively use Micron memory dies, which are the worst among DDR4 in terms of overclocking.

 

I'd rather you start at 2666 with the same timings you have now and memory voltage at 1.35V. If it crashes, stick to 2400 and tune the timings instead.

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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11 minutes ago, Vasllo said:

So that's your base, try to see if it boots at 2800MHz, if not, leave at 2666MHz and try to lower the CAS to CL16, if not, CL17 it will be. It's a pretty bad kit of memory for Ryzen, specially for APUs like yours.

i will try to afford changing it with the 3000mhz ... if it's not possible i will follow ur instructions to OC ... thank u very much u werw really helpful :)

 

8 minutes ago, Jurrunio said:

I don't fancy your chances to hit 2800. Crucial sticks exclusively use Micron memory dies, which are the worst among DDR4 in terms of overclocking.

 

I'd rather you start at 2666 with the same timings you have now and memory voltage at 1.35V. If it crashes, stick to 2400 and tune the timings instead.

OMG i really feel like i was scammed now 

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