Barrow
Barrow BS-GAM4090-PA full-coverage GPU water block with backplate, suitable for Galax RTX 4090 Metal Master/OC and Gainward RTX 4090 Phantom/OC.
Barrow BS-GAM4090-PA full-coverage GPU water block with backplate, suitable for Galax RTX 4090 Metal Master/OC and Gainward RTX 4090 Phantom/OC.
TL;DR: The BS-GAM4090-PA is a full-cover GPU water block matched to the PCB of theGalax RTX 4090 Metal Master/OC and Gainward RTX 4090 Phantom/OC. The cold plate is nickel-plated copper and contacts the GPU core, GDDR6X memory and VRM stages through the supplied thermal interface materials. Inlet and outlet are standard G1/4 BSPP. A...
Common Applications
The BS-GAM4090-PA is a full-cover GPU water block matched to the PCB of the GALAX RTX 4090 MetalTop OC. The cold plate is nickel-plated copper and contacts the GPU core, GDDR6X memory and VRM stages through the supplied thermal interface materials. Inlet and outlet are standard G1/4 BSPP. A matching metal backplate ships in the box in black or white finish. Lighting is Barrow LRC 2.0 5V 3-pin addressable RGB; the block is not validated for other 4090 AIB layouts.
Frequently Asked Questions
Q: Which RTX 4090 card does this block fit?
A: The Galax RTX 4090 Metal Master/OC and Gainward RTX 4090 Phantom/OC. It is not validated for the Founders Edition or other AIB 4090 PCBs.
Q: Is a backplate included?
A: Yes, a matching metal backplate ships in the box.
Q: What backplate finishes are offered?
A: Black, to match the MetalTop shroud.
Q: What RGB standard does it use?
A: Barrow LRC 2.0, 5V 3-pin addressable RGB. Do not connect to a 12V 4-pin RGB header.
Q: What is the cold plate material?
A: Nickel-plated copper, with G1/4 BSPP inlet and outlet.







