Is this waterblock compatible with my RX 6900 XT?

This Bykski waterblock is designed for the RX 6900 XT. Please check the product title for specific card brand compatibility (ASUS, MSI, Gigabyte, etc.) as non-reference PCB designs require model-specific blocks. If you are unsure of your card's PCB variant, contact FormulaMod support at customermanager@formulamod.net before ordering.

Will this reduce noise on my RX 6900 XT during AI workloads?

Yes. Stock RX 6900 XT air coolers run at 45-65 dBA under sustained AI inference loads (Ollama, Stable Diffusion, ComfyUI). A full-cover waterblock like this mounted to a 360mm radiator typically reduces noise to under 30 dBA while also lowering VRAM temperatures from 90°C+ to 60-70°C, preventing throttling during long generation runs.

What else do I need for a complete water cooling loop?

A complete custom loop requires: this GPU waterblock, a radiator (360mm recommended for single GPU, 480mm for GPU+CPU), a D5 or DDC pump with reservoir combo, G1/4 fittings, tubing, and premixed coolant. FormulaMod sells complete kits starting at $249 USD including pump, radiator, and fittings.

Does this waterblock cover the VRAM and VRM chips?

Full-cover waterblocks cool the GPU die, VRAM modules, and VRM components simultaneously via a single block with an integrated cold plate. This is essential for AI workloads where sustained 100% VRAM utilization can cause memory junction temperatures to exceed 110°C on air cooling. The full-cover design distributes coolant flow across the entire PCB thermal zone.

1 5

Bykski A-AR6900XT-X bloc de refroidissement par eau GPU pour Asrock RX 6900XT/6800XT Phantom Gaming D, système de refroidissement liquide de carte graphique

Name: Bykski A-AR6900XT-X bloc de refroidissement par eau GPU pour Asrock RX 6900XT/6800XT Phantom Gaming D, système de refroidissement liquide de carte graphique
Brand: Bykski
SKU: A-AR6900XT-X_RBW
Price: 138.54 USD
Availability: InStock