Update: Adding a waterblock to an ASUS RTX4090 TUF gpu does NOT void warranty. Asus and BPCTech acknowledge. (Plus Corsair inform they cover and compensate any water damage). Time to watercool :
How to claim an MSI GPU warranty - Quora
NVIDIA GeForce RTX 4090 24GB GDDR6X Graphics Card Titanium and black 900-1G136-2530-000 - Best Buy
Does Replacing Thermal Paste on GPU Void Warranty? — Kooling Monster
MSI GPU Limited Warranty – LiquidSky.com
MSI "WARRANTY VOID IF REMOVED" 6mm round tamper proof sticker for MSI products | eBay
Warranty sticker / eBay
HW News - RTX 3080 Ti Arriving, GPU Warranty Shadiness, Intel Fires at NVIDIA | GamersNexus - Gaming PC Builds & Hardware Benchmarks
3+1 Year Extended Warranty
Swiss retailer reveals 'warranty scores' for GPU/motherboard brands - VideoCardz.com
Does Replacing Thermal Paste on GPU Void Warranty? — Kooling Monster
MSI USA
ZOTAC Announces Extended Warranty for NVIDIA GeForce RTX 30 Series | TechPowerUp
EVGA new warrenty void sticker!?
Swiss retailer reveals 'warranty scores' for GPU/motherboard brands - VideoCardz.com
PNY NVIDIA RTX A4000 Graphics Card - 16 GB GDDR6 - 256 Bit bus width - PCI Express 4.0 x16 - DisplayPort - Bulk Version (accessories included with full warranty) - Walmart.com