Bykski Metal/POM GPU Water Block and Backplate For ASUS GeForce RTX 3090/3080/3070Ti (N-AS3090STRIX-X-V3)
US import duties and tariffs are included in every price.
PrimoChill SX fittings for the G1/4 ports, in stock in Boise. Pick a finish and how many you need; 6+ in any mix and the price drops.
About this part
Unlock the full potential of your ASUS GeForce RTX 3090, 3080, and 3070Ti graphics cards with our premium all-metal construction GPU water block. Designed with 24x7 operation in mind, this cooler offers unmatched safety and durability, ensuring that your high-end components remain cool under intense workloads.
- 1x Full Coverage GPU Water Block
- 1x Backplate
- 1x Mounting Hardware
- Thermal grease
Warning: This product is designed for self-installation. The manufacturer is not liable for any damages resulting from misuse, including, but not limited to, improper installation or the use of incompatible hardware or fluids. By using this product, you accept all related risks.
This product can only be repaired or replaced; returns are not accepted due to compatibility issues or if the block has come into contact with water or other fluids.
The manufacturer may modify the block design to enhance compatibility, so the received item may not be an exact match with the item pictured. Please note that the product does not include English instructions. If available, refer to the product gallery images for the installation guide. It is recommended to install thermal pads on the card where the block has corresponding raised contact points, except for the GPU core, which requires thermal paste. Incorrectly placing pads on other components can result in poor contact and reduced performance.
What buyers said
Left by people who bought this part here. Compatibility reports are the useful ones — if you installed it, say which board.
What installing it actually involves
Three steps, in the order that matters. The one people get wrong is the first.
This block fits 5 boards:
- ASUS NVIDIA 3080 - ROG STRIX LC GEFORCE RTX 3080 Ti 12GB
- ASUS NVIDIA 3080 - ROG STRIX GEFORCE RTX 3080 Ti 12GB OC
- ASUS NVIDIA 3080 - ROG STRIX GEFORCE RTX 3080 10GB
- ASUS NVIDIA 3080 - ROG STRIX GEFORCE RTX 3080 12GB OC
- ASUS NVIDIA 3090 - ROG STRIX GEFORCE RTX 3090 24GB
Match your exact model — not the family.
Thermal interface material as supplied. Even mounting pressure, correct bracket orientation, no over-torquing.
Run the pump on a bench supply with the rest of the system unpowered. 24 hours is the standard, an hour is the minimum.
Questions people ask about this part
Answers specific to N-AS3090STRIX-X-V3. If yours isn't here, ask — we'd rather talk you out of the wrong part than sell you one.
What does this part fit?
It is machined for 5 boards:
- ASUS NVIDIA 3080 - ROG STRIX LC GEFORCE RTX 3080 Ti 12GB
- ASUS NVIDIA 3080 - ROG STRIX GEFORCE RTX 3080 Ti 12GB OC
- ASUS NVIDIA 3080 - ROG STRIX GEFORCE RTX 3080 10GB
- ASUS NVIDIA 3080 - ROG STRIX GEFORCE RTX 3080 12GB OC
- ASUS NVIDIA 3090 - ROG STRIX GEFORCE RTX 3090 24GB
These are machined to a specific hardware layout, so match your exact model rather than the family before ordering. Part number N-AS3090STRIX-X-V3.
Is it in stock, and when will it ship?
Can I return it if it turns out not to fit?
Will I pay import duties or customs charges on delivery?
Who handles the warranty?
Is shipping free?
Are printed instructions included?
Do I need anything else to use it?
Ask us before you order
Send your exact hardware model and we'll confirm the right part before you spend $263.99 — or tell you honestly that this isn't the one.
Returns are accepted within 30 days and are easy to start in the support center. Unopened items can be returned for store credit with no restocking fee; other returns carry a restocking fee, higher for items that have been installed or used.