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Discussion Starter · #1 · (Edited)
I didn't see a thread on these mobos yet, so I thought I will start one.

A simple no nonsense B550 board, a little expensive imho but it has a powerful VRM and had great results at OC 3D and Kitguru. I went with the version without WiFi as I have no need for WiFi.

Bios has a lot of sensors without names in HWINFO64, at least in the latest 0608 bios, if anyone find the VRM sensor in there it would be nice as that was the main complaint in the reviews. No sensor info for the VRM. Obviously it only gets lukewarm anyway, but for peace of mind. Hopefully that will be fixed in later bioses.

Product page:
https://www.asus.com/Motherboards/ROG-STRIX-B550-F-GAMING/


I bought it for my second rig, mainly used as DAW, paired with cheap Micron D-die memory(edit. it was actually Hynix DJR as it turned out) and a GTX1660 Super. It will not be much gaming on this rig, but maybe some light gaming.

Initial impressions are favorable, updating to the latest bios using bios flashback was nice(a more common feature on the B550 boards, and a great one). I wired the reset button to CLR CMOS to be prepared for memory tuning, and it got used a couple of times before I found my initial setting of 3733MHz RAM with 1867MHz IF coupled mode using CL18. Micron D-die(Hynix DJR) won't even boot with tight timings, but it looks fairly OC:able so end results are ok even if not near Samsung B-Die. But it's half the price. Overall, after one day of tuning(of which a lot was getting my old Windows install working without quirks on the new mobo) it looks to be working well and the system feels snappy. Temps are great for the 3700X using a Corsair H150i Pro RGB, Cinebench R20 tops out at 72C and it's 28-30C in the room.

System:
AMD Ryzen R7 3700X
Corsair H150i Pro RGB
32GB Kingston HyperX RGB (Hynix DJR "D-die" "Davinci" on Micron 8-layer PCB)
Nvidia GTX1660 Super
Samsung 950Pro 256GB NVMe
Kingston A2000 1TB NVMe
assorted SSDs/HDDs
Cooler Master NR600 case (with mesh front)
Cooler Master V550S PSU 80 Plus Gold
Windows 10 Pro 2004 (19041)
using a USB audio interface, works fine as far as I can tell, no hearable artefacts in the sound and low latency is working (Steinberg UR22C)


A new PCIE 4.0 system drive with fairly large capacity will be in the future when prices have come down a bit(or, Samsung 980 Pro mmm). More exciting is popping in a Zen 3 without too much hassle in a few months.

With current settings(PBO on Auto, interesting is PPT/TDC/EDC defaults to 1000/1000/180 when everything is on Auto under PBO) :





Any thoughts on the Asus B550-F:s are welcome in this thread! Or the other one, if there already was a thread but I couldn't find one :)

edit. Here are as many sensors I could cram in one picture, after a while browsing the web in a very hot room. Powerplan is Windows High Performance and C-states are enabled:



My memory settings for Hynix DJR:



edit. regarding my used memory, I was reading Taiphoon Burner wrong, it is Micron PCB and it is D-die. So far correct. But the chips themselves are Hynix DJR which I missed, they are supposed to be high frequency chips and are used in G.Skill Trident Z Neo amongst others. So the relative easy mem OC may have it's explanation.
 
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Discussion Starter · #3 ·
Hey, thank you for the thread.


Are you interested in to test the ASPM feature? They added a new hidden ASPM option and i'm curious if it is working or if only the old one is working.
Hi Reous, sure I could test it, but what is it? :D
 

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hi
is this B550 beter than the old B350/450 from Rog/Strix?
had both and they were awfull with memory and crap bios support
hope this one is better,
looking for a good B550
thanks for any help
 

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Discussion Starter · #6 ·
It reduce the power consumption for PCI-e devices. With my X570-E i can save 12W in idle and load. Do you have a watt meter or something to measure the power consumption?
I don't have any, I will check if I can find a cheap one at a general hardware store. Could always be good to have one! I'll be back at the matter when I've found the meter :)
 

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Discussion Starter · #7 · (Edited)
hi
is this B550 beter than the old B350/450 from Rog/Strix?
had both and they were awfull with memory and crap bios support
hope this one is better,
looking for a good B550
thanks for any help
It looks that way. It is basically the TUF X570-Plus but with B550 instead of X570 and without a fan of course. Only six SATA vs eight on the TUF, but memory OC seem like it's better with up to 5.1GHz in the specs. TUF is only 4.4. It's been reported the manufaturers have done some work on better memory traces on the PCB:s so in that case newer is better. 2.5GB Intel LAN is also a plus, and bios flashback is a killer feature for a tinkerer. Bios looks good, it's practically the same as in Crosshair VII and even with a few extra options. If you don't need the extra I/O of X570 it looks like a solid board imho and I also think the manufacturers now takes AMD more seriously than the last round.

Regarding sheer performance, my 3700X performs above average as far as I can see and getting 32GB Hynix DJR up to 3733MHz 1:1:1 was quite easy. Biggest competitor in my opinion("attractive for me") is the MSI X570 Unify, but that board is 100€ more expensive where I live so even if B550 is expensive vs B450 it gives a little more and is still cheaper than X570. Also, I don't need the extra features of the X570 Unify and from what I can see OC will be just as good on the Asus B550-F.

edit. regarding my used memory, I was reading Taiphoon Burner wrong, it is Micron PCB and it is D-die. So far correct. But the chips themselves are Hynix DJR which I missed, they are supposed to be high frequency chips and are used in G.Skill Trident Z Neo amongst others. So the relative easy mem OC may have it's explanation.
 

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It looks that way. It is basically the TUF X570-Plus but with B550 instead of X570 and without a fan of course. Only six SATA vs eight on the TUF, but memory OC seem like it's better with up to 5.1GHz in the specs. TUF is only 4.4. It's been reported the manufaturers have done some work on better memory traces on the PCB:s so in that case newer is better. 2.5GB Intel LAN is also a plus, and bios flashback is a killer feature for a tinkerer. Bios looks good, it's practically the same as in Crosshair VII and even with a few extra options. If you don't need the extra I/O of X570 it looks like a solid board imho and I also think the manufacturers now takes AMD more seriously than the last round.

Regarding sheer performance, my 3700X performs above average as far as I can see and getting 32GB Micron D-Die up to 3733MHz 1:1:1 was quite easy. Biggest competitor in my opinion("attractive for me") is the MSI X570 Unify, but that board is 100€ more expensive where I live so even if B550 is expensive vs B450 it gives a little more and is still cheaper than X570. Also, I don't need the extra features of the X570 Unify and from what I can see OC will be just as good on the Asus B550-F.
thanks
i have a CHVII and was looking at the unify, but as a ROG man for so many years wopuld like to keep rog at home
had bad experience with the B series from asus, will make a try with this one i think, just dont need wi fi version
best regards
 

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Discussion Starter · #9 · (Edited)
Some scores with -0.05V offset on the 3700X (PBO on auto, no manual settings). AMD Ryzen Balanced Powerplan this time.

https://browser.geekbench.com/v5/cpu/2746310







Not above 70C in CB R20 is impressive!

Trimmed mem a little with a pair of subtimings



It's nowhere as fast as my B-die, but then, half the price.
 

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Discussion Starter · #10 · (Edited)
Looks fine with 1900MHz IF and 3800MHz memory! (PBO, still on Auto). Very happy with this board, it does what I tell it.

Still have CCX OC to explore, that feature is killer on my C7H/3900X, it will be fun to explore with this board too.





https://browser.geekbench.com/v5/cpu/2763816
 

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Discussion Starter · #11 ·

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Discussion Starter · #13 · (Edited)
Edit: too slow :D


It has Agesa v2 1.0.0.2
Thanks! Don't know why Asus dont show the AGESA in the bios name string anymore?



Anyhow performs fine, my 3700X performs slightly above a 3800X using PBO on Auto.

https://valid.x86.fr/i325pp

Biggest difference is two new menus in AI Tweaker:

CPU Telemetry and SOC Telemetry

You can set Auto or offset the values

I suppose it is following the latest controversy where some mobo makers sent fake telemetry to the CPU, so Asus decided to fully expose the mechanism. No more cheating from the OEM. But the end user can cheat, if he/she likes, with these new options.


These new entries messed it up when I applied my saved profile, as I hadn't noticed they where there. The bios choose to give me a BCLK of above 40 trillions :D
Strange enough the board booted with a reported BCLK of 0 and FCLK of 1200. So, I went back and noticed what was wrong. After setting the AI Tweaker frontpage manual everything looks to be working. Mem 3800 / IF 1900.
 

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Discussion Starter · #15 ·
Agesa version in still in the bios. Software like CPUz need a update to read it out.
Aha, ok, doesn't really matter as long as the bios works well.

Does this add XT- and Renoir-support?

I saw the Renoir-drivers are already on the download page, very early as you can't get the APU:s
 

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Discussion Starter · #16 · (Edited)
Looks like a very good bios this 0805, first time over 5100p in CB R20 and with only PBO set to Auto :)



Result in CPU-Z



https://valid.x86.fr/vpn2gw
 

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Discussion Starter · #17 ·
Did some tinkering with CCX OC, but I came to the conclusion my 3700X is of too bad silicon quality to get any substantial gains.
Had to raise vcore way too high imo. Heat was never a problem, just voltage levels I'm not comfortable with.

I'm back at PBO Auto, almost the same performance and quite a bit lower voltages.

My 3900X in the sig is another story, much better silicon, it gained a lot from CCX OC and at reasonable voltages. Somehow earns it's higher price.
 

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I need a b550 board with strong memory overclocking potential. The b550-F is tempting because I can get it on sale.
But the Intel 2.5Gb nic worries me, because all but the latest revision is bugged causing lost packets when running 2.5Gb, effectively dropping speed to about 2Gb.
What revision is the nic on your board?

And how much memory do have installed?
 

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I need a b550 board with strong memory overclocking potential. The b550-F is tempting because I can get it on sale.
But the Intel 2.5Gb nic worries me, because all but the latest revision is bugged causing lost packets when running 2.5Gb, effectively dropping speed to about 2Gb.
What revision is the nic on your board?

My particular Revision is v1.03, sold here in Convict Town. No longer buy direct from US or Europe now, keeping my money here instead.

No problems with the Intel 2.5Gb connection.
 

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Discussion Starter · #20 ·
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