System build using some used and new parts

[MAXIBOY]

already got a used AMD Ryzen 5950x
used Gigabyte RTX3060Ti V1
used Msi Meg X570S Ace max
used Corsair 780t
and looking at EVGA 360mm cpu cooler

plus the following
1 X Asus Blu-Ray Combo 12x SATA BDXL & M-Disc Support Cyberlink Power2Go 8 - Retail - £66.95
SKU: CD-064-AS

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1 X WD Black SN770 2TB SSD M.2 2280 NVME PCI-E Gen4 Solid State Drive (WDS200T3X0E) - £179.99
SKU: HD-58G-WD

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1 X Corsair RMi Series RM750i 750W '80 Plus Gold' Modular Power Supply (CP-9020082-UK) - £139.99
SKU: CA-202-CS

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1 X Corsair RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply - £139.99
SKU: CA-267-CS

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1 X Corsair Professional Series HX 750W '80 Plus Platinum' Modular Power Supply (CP-9020137-UK ) - £149.99
SKU: CA-23B-CS

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1 X Corsair Vengeance LPX 64GB (2x32GB) DDR4 PC4-25600C16 3200MHz Dual Channel Kit (Black) - £239.99
SKU: MY-4CE-CS

so the above memory and solid state drive

and which of those power supplies

or if you have any other suggestions

please feel free

 

[Tetras]

Is this for gaming use, or productivity?

If you'd like to save some money, then I would buy the Seasonic GX-750 for £95, but if you're upgrading to a 4090 or similar in the future, then perhaps not!

CMG64GX4M2E3200C16 (MSI quote "ver4.49") appears to be on the QVL for your board, I can't find any other 64GB Corsair kits.

 

[MAXIBOY]

thanks

will have a look at that