BIOS Concerns About My New PC Build

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   My new (and first) PC build in the modern era consists of:

Motherboard: ASRock X870e Taichi Lite

CPU: AMD Ryzen 9 9950X - Ryzen 9 9000 Series Granite Ridge (Zen 5) 16-Core 4.3 GHz - Socket AM5 170W - Radeon Graphics

RAM: CORSAIR - VENGEANCE RGB 32GB (2x16GB) DDR5 6400MHz C32 AMD EXPO & Intel XMP UDIMM Model: (CMH32GX5M2B6400Z32)

Storage: 1x SAMSUNG 990 PRO 2TB SSD, PCIe Gen4 M.2 2280, Seq. Read Speeds Up-to 7,450MB/s (with plans to get a second)

Cooler: Razer Hanbo Chroma RGB AIO Liquid Cooler 360MM (aRGB Pump Cap), Intel LGA 1851/1700/1200 & AMD AM4 & AM5 Compatible

GPU: ASUS GeForce RTX 4070 Super 12G ProArt OC Graphics Card - 2565MHz Boost Clock, GDDR6X, PCIe Gen 4, DLSS 3, HDMI 2.1a, 3 x DisplayPort 1.4a (Supports 4K & 8K HDR)

PSU: Corsair RM1000x Fully Modular ATX 3.1 (Cybenetics Platinum, Cybenetics A)

OS: Microsoft Windows 11 Home (64-Bit)

Chassis: Montech AIR 903 MAX, E-ATX Mid Tower Case, High Airflow, 3X 140mm ARGB PWM & 1x 140mm PWM Fans Pre-Installed, Tempered Glass Side Panel, Mesh Front, Type-C, Support 4090 GPUs, Black

Monitor: GIGABYTE - GS27QC - 27" VA Curved Gaming Monitor - QHD 2560x1440 - 165Hz/OC 170Hz - 1ms MPRT - AMD FreeSync Premium

My concern is with the 3.18.AS02 [Beta] BIOS update, which is the latest that seems to be compatible with the 9950X. Based off what I've read, I'm not sure if I should immediately BIOS flashback to 3.18.AS02 [Beta] (which hopefully wouldn't end up bricking the motherboard), keep the current BIOS that shipped with the motherboard or even roll back to a previous version to avoid certain issues. Given what's I've seen on the RAM compatibility list, my CMH32GX5M2B6400Z32 model RAM has the same specs as the CMH32GX5M2B6000Z28 (which seems to be compatible), however the CMH32GX5M2B6400Z32 isn't listed as compatible with the X870e Taichi Lite and the CMH32GX5M2B6000Z28 seems to be sold out at the same or similar specifications. Based on what the manual says, the RAM works best with one RAM stick on B2 or two sticks on B2 and A2 in dual-channel mode. 

There are better options out there, though does anyone know if the CMH32GX5M2B6400Z32 would still work with this setup?

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Seraph.official Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 12 hours 50 minutes ago Status: Offline Points: 20	Post Options Post Reply Quote Seraph.official Report Post Thanks(0) Quote Reply Topic: BIOS Concerns About My New PC Build Posted: 11 hours 7 minutes ago at 8:33am
	My new (and first) PC build in the modern era consists of: Motherboard: ASRock X870e Taichi Lite CPU: AMD Ryzen 9 9950X - Ryzen 9 9000 Series Granite Ridge (Zen 5) 16-Core 4.3 GHz - Socket AM5 170W - Radeon Graphics RAM: CORSAIR - VENGEANCE RGB 32GB (2x16GB) DDR5 6400MHz C32 AMD EXPO & Intel XMP UDIMM Model: (CMH32GX5M2B6400Z32) Storage: 1x SAMSUNG 990 PRO 2TB SSD, PCIe Gen4 M.2 2280, Seq. Read Speeds Up-to 7,450MB/s (with plans to get a second) Cooler: Razer Hanbo Chroma RGB AIO Liquid Cooler 360MM (aRGB Pump Cap), Intel LGA 1851/1700/1200 & AMD AM4 & AM5 Compatible GPU: ASUS GeForce RTX 4070 Super 12G ProArt OC Graphics Card - 2565MHz Boost Clock, GDDR6X, PCIe Gen 4, DLSS 3, HDMI 2.1a, 3 x DisplayPort 1.4a (Supports 4K & 8K HDR) PSU: Corsair RM1000x Fully Modular ATX 3.1 (Cybenetics Platinum, Cybenetics A) OS: Microsoft Windows 11 Home (64-Bit) Chassis: Montech AIR 903 MAX, E-ATX Mid Tower Case, High Airflow, 3X 140mm ARGB PWM & 1x 140mm PWM Fans Pre-Installed, Tempered Glass Side Panel, Mesh Front, Type-C, Support 4090 GPUs, Black Monitor: GIGABYTE - GS27QC - 27" VA Curved Gaming Monitor - QHD 2560x1440 - 165Hz/OC 170Hz - 1ms MPRT - AMD FreeSync Premium My concern is with the 3.18.AS02 [Beta] BIOS update, which is the latest that seems to be compatible with the 9950X. Based off what I've read, I'm not sure if I should immediately BIOS flashback to 3.18.AS02 [Beta] (which hopefully wouldn't end up bricking the motherboard), keep the current BIOS that shipped with the motherboard or even roll back to a previous version to avoid certain issues. Given what's I've seen on the RAM compatibility list, my CMH32GX5M2B6400Z32 model RAM has the same specs as the CMH32GX5M2B6000Z28 (which seems to be compatible), however the CMH32GX5M2B6400Z32 isn't listed as compatible with the X870e Taichi Lite and the CMH32GX5M2B6000Z28 seems to be sold out at the same or similar specifications. Based on what the manual says, the RAM works best with one RAM stick on B2 or two sticks on B2 and A2 in dual-channel mode. There are better options out there, though does anyone know if the CMH32GX5M2B6400Z32 would still work with this setup?

eccential Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 10 Oct 2022 Location: Nevada Status: Offline Points: 5475	Post Options Post Reply Quote eccential Report Post Thanks(0) Quote Reply Posted: 56 minutes ago at 6:44pm
	According to https://asrock.com/mb/AMD/X870E%20Taichi%20Lite/index.asp#CPU 9950X is supported from 3.05, which was the initial release. So it should just work, out of the box. Since it should work out of the box, there's no reason to use flashback function. It's generally better to use BIOS built-in function (Instance Flash?) if you can get into BIOS. I personally don't see an issue with running the latest beta BIOS. I'm running the latest beta on my B850M-X [WiF] with 9800X3D just fine. As for RAM, technically, AMD only recommends upto 6000MT/s. Even then, I'm not sure if AMD guarantees that FCLK can run 1:1 at that speed, as their official support limit is 5600MT/s for 9000-series. I'm the wrong person for that stuff anyway, as I basically NEVER buy any "gamer" RAM. I only buy standard JEDEC spec ECC UDIMMs, like the Micron's 5600MT/s ones I'm using now.