Upgrading my primary rigs' PSU and GPU! Wish me luck on this endeavor!

[Busta Bloodnut]

Got this, https://www.ebay.com/itm/134146959388, beastly 780w adapter for my Alienware m18x r2. Anyone here have any experience with this adapter for this machine? Or any machines from this generation? Luckily, for me I found a slightly cheaper one that wasn't being sold from Canada with those insane shipping and import fees...BUUUT i did have to buy the Alienware cord from that seller in the link since the adapter i bought came with a Clevo one :( . 67$ and 55$ shipping and import fee respectively (OOUUCH lol). I actually spent more on that wire than the box itself lol. Also upgrading my GPU from a Quadro P5000 to an RTX 3080 from X-Vsion. And...oh man...I gotta tell y'all....that was the most bizarre purchase experience to say the least lol. Also had to buy the custom heatsink and X-bracket since it doesnt come with a bracket. Seller who sold me the adapter said he got one from that seller from the link and it got lost in customs for a month and half and just bought another one and then got the delayed one a week after buying the other adapter lol. Man, I hope that doesn't happen with my cord lol. Anyway, posting this to give updates during this process and MAY come into road blocks so I might ask you wizards here for help if needed. Wish me luck y'all!

[Durabat]

Looking forward to hearing how it goes. I took got the RTX 3080 from them and yes, weird purchase process but I did it through PayPal. Got my heatsink off ebay and it actually went very smoothly. Quick modded driver and it's been running for months with not a single issue yet. I wish the 4080 and 4090 weren't so expensive, I have more M18x's laying around aswell as a M17x R4 with 120hz screen waiting for a gpu upgrade. I can't justify the cost for them right now though.

[Busta Bloodnut]

Yeah, i wish the 4090 was cheaper, but apparently there's thermal throttling and other issues, but i just seen some of the wizards on here make improvements with that and other newer cards, so theres still hope for that yet. So when you got your 3080 did you have to get an X-bracket and VBIOS? I messaged XVsion and they said that the card doesn't come with either.