Question What Wattage PSU for i9 12900K and RTX 3070Ti?

[Gamefreaknet]

Build Below:

Component		Selection	Price
CPU		i9 12900K	£549.97
CPU Cooler		Deepcool GAMMAXX L240 V2 69.34 CFM Liquid CPU Cooler	£62.99	Buy
Thermal Compound		Thermal Grizzly Kryonaut 1 g Thermal Paste	£5.89	Buy
Motherboard		Asus ROG STRIX B660-G GAMING WIFI Micro ATX LGA1700 Motherboard	£218.48	Buy
Memory		Patriot Viper Steel RGB DDR4 64GB (2 x 32GB) 3600MHz Kit	£209.99
Storage		Samsung 970 Evo Plus 250 GB M.2-2280 NVME Solid State Drive	£50.72	Buy
Storage		Samsung 970 Evo Plus 2 TB M.2-2280 NVME Solid State Drive	£200.38	Buy
Video Card		EVGA GeForce RTX 3070 Ti 8 GB FTW3 ULTRA GAMING Video Card	£739.88	Buy
Case		MSI MAG FORGE 100R ATX Mid Tower Case	£42.99	Buy
Power Supply		Corsair RM (2021) 850 W 80+ Gold Certified Fully Modular ATX Power Supply	£95.99	Buy
Operating System		Microsoft Windows 11 Pro OEM 64-bit	£129.99	Buy
Wired Network Adapter		Asus XG-C100C 10 Gb/s Ethernet PCIe x4 Network Adapter	£100.66	Buy
Wireless Network Adapter		Gigabyte GC-WBAX200 802.11a/b/g/n/ac/ax PCIe x1 Wi-Fi Adapter	£45.00	Buy
Monitor		ViewSonic VX2718-2KPC-mhd 27" QHD Curved Monitor	£164.99
Total:	£2617.92

Will the 850W PSU be enough for this system or will I need a more powerful PSU?

 

[Eximo]

That should be alright. 290W GPU and the CPU can top out around 250W.

Motherboard includes a wireless card, so your additional one is redundant.

Do you need 10Gbps network? Is there anything else on your network that fast?

I would skip the 250 GB SSD. If you want the OS on a fast drive, you should get a 512GB PCIe 4.0 drive like the 980 Pro, the 970 Evo Plus is PCIe 3.0. (Not that it will make a huge difference, but you might as well if you are going that route)

I also think a 360mm radiator would not be a bad idea for the CPU.

 

[logainofhades]

A high quality 850w, at minimum. RTX 3000 has terrible power spikes, so you want a good buffer. A 12900k should be in a Z690 board. Also, I would argue that the 12900k is not worth the added cost, for those extra E cores, vs a 12700k. 240mm AIO is not enough for a 12900k either. Could you please export the pcpp build link? It's easier to come up with a better solution that way.

 

[Why_Me]

You want to go with a single 2TB M.2 SSD with the B660 boards seeing how that chipset only has 12 PCIe lanes and it's going to gimp a second M.2 SSD. The 12900K is an expensive heat producing power hog that's meant for a Z690 board with decent VRM's. You don't need a WiFi adapter for a board that already has built in WiFi and most all cpu coolers come with thermal paste so you can drop both of those from your build. btw 64GB for a gaming build is a bit insane. You went too high on your board + cpu + RAM and you skimped on your case and monitor. btw you want a G-Sync compatible monitor so that you can take advantage of Nvidia DLSS and Reflex. I would look at these changes to that build.

https://www.cclonline.com/lancool-ii-mesh-performance-k-lian-li-lancool-ii-mesh-performance-mid-tower-gaming-case-black/
Lian Li Lancool II Mesh Performance Mid Tower Case £88.03

LANCOOL II Mesh Performance - Ultimate Airflow Chassis

With the mesh front, LANCOOL II MESH making great airflow in the chasis, Packing three PWM fans, two front 140mm fans and one rear 120mm fan effectively cooling the component in user's PC build and able to control by the botton on the I/O port. 9 drive mounting space and supports 384mm maximum...

lian-li.com

https://www.amazon.co.uk/dp/B09NTNCGMV
MSI MAG B660M MORTAR WIFI DDR4 £151.98

https://www.msi.com/Motherboard/MAG-B660M-MORTAR-WIFI-DDR4

https://www.amazon.co.uk/dp/B09MDHZ2YQ
Intel Core i7-12700F £316.99

https://ark.intel.com/content/www/us/en/ark/products/134592/intel-core-i712700f-processor-25m-cache-up-to-4-90-ghz.html

https://computerorbit.com/products/deepcool-ak620-high-performance-cooler
DeepCool AK620 CPU COOLER £55.00

https://www.tomshardware.com/reviews/deepcool-ak620-review

https://global.deepcool.com/products/Cooling/cpuaircoolers/AK620-High-Performance-CPU-Cooler/2021/13067.shtml

https://www.box.co.uk/CMK32GX4M2D3600C18-Corsair-Vengeance-LPX-32GB-2x-16GB-3600M_2961063.html
Corsair Vengeance LPX DDR4 32GB 3600MHz (2x16GB) CL18 £116.99

https://www.scan.co.uk/products/windows-11-home-edition-64-bit-english-international-usb
Microsoft Windows 11 Home Edition 64-bit USB - English £111.49

https://www.overclockers.co.uk/msi-optix-27-g273qf-2560x1440-ips-165hz-1ms-freesync-g-sync-widescreen-led-backlit-gaming-monitor-mo-00y-ms.html
MSI OPTIX 27" G273QF 2560x1440 IPS 165Hz 1ms FreeSync/G-Sync Widescreen LED Backlit Gaming Monitor £248.99

https://www.msi.com/Monitor/Optix-G273QF

https://www.nvidia.com/en-us/geforce/technologies/dlss/

The lowest latency. The best responsiveness.

GeForce RTX 30 Series GPUs and NVIDIA G-SYNC monitors.

www.nvidia.com

i7 12700 / 12700F gaming benchmarks.

 

[Phaaze88]

Just go with a 12700/K. If you end up downclocking or power limiting the 12900K because you couldn't manage the temperatures, you basically end up with 12700/K-level performance.