https://vid.freedif.org/videos/watch/05c17f2a-70d2-45c6-b7b4-2cac4632bba1 Check out https://www.youtube.com/@RingConnOfficial using our link! Gen 2 is 15% off for Halloween, October 30-31: https://bit.ly/4inH1fU See our RingConn Gen2 Unboxing: https://www.youtube.com/watch?v=HAQNn6y8Lz0 Back in my day, getting more memory for your GPU simply just meant buying a new one. Not anymore! Luke travelled all the way to Michigan to meet up with the one and only Greg from GPU Lab to upgrade his RTX 4090 to have a whopping 48GB of VRAM Check out Greg!: https://www.youtube.com/@UC6UqUv4r97LPDQAAEVsNI6w https://gpulab.net/ Discuss on the forum: https://linustechtips.com/topic/1644115-i-doubled-my-gpu%E2%80%99s-memory%E2%80%A6/ Check out our Channel Partners: Secretlab Grab a TITAN Evo ergonomic gaming chair: https://lmg.gg/secretlabltt, Grab an ATLAS ergonomic office chair: https://lmg.gg/secretlablttatlas, PIA Get the VPN of our choice: https://www.piavpn.com/ltt, dbrand Buy a "Circuit" series skin for your device: https://dbrand.com/pcb, ► SHOP LTT PRODUCTS: https://lttstore.com ► GET EXCLUSIVE CONTENT ON FLOATPLANE: https://lmg.gg/lttfloatplane ► DIVE DEEPER ON THE LTT LABS WEBSITE: https://lmg.gg/labs ► SPONSORS, AFFILIATES, AND PARTNERS: https://lmg.gg/partners Purchases made through some store links may provide some compensation to Linus Media Group. Affiliate links powered in part by https://affilimate.com/?aid=ghz1izbpb Linus Sebastian is an investor in Framework Computer, Inc and HexOS by Eshtek. CHAPTERS0:00 Intro 2:00 What are we doing? 2:50 What does Greg do? 3:52 Applying memory chips 4:52 Using the BGA rework station 5:50 But wait, what are these PCBs? 6:32 Good luck Luke 8:12 He did it! 9:02 Removing a GPU Core 9:55 Removing memory modules 11:21 Cleaning memory modules 12:32 It's your turn again, Luke! 13:55 Cleaning GPU Cores 14:45 Adding solder balls to cores 16:14 Adding solder balls to memory modules 17:10 Ultrasonic cleaning 17:30 Applying memory modules to Chinese circuit board 19:30 Soldering the memory modules on GPU 1 20:15 Attaching core to GPU 1 22:46 Satisfying? More like terrifying 22:58 Attaching coolers to GPU 1 24:20 IT'S ALIVEEEEE 25:05 Cleaning the GPU 25:54 Time to bake 28:07 Outro Sun, 01 Nov 2026 18:40:16 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://vid.freedif.org https://vid.freedif.org/client/assets/images/icons/icon-1500x1500.png https://vid.freedif.org/videos/watch/05c17f2a-70d2-45c6-b7b4-2cac4632bba1 All rights reserved, unless otherwise specified in the terms specified at https://vid.freedif.org/about and potential licenses granted by each content's rightholder.