Bykski
Bykski A-XF7900XTX-X Full-Cover GPU Water Block + Backplate for XFX RX 7900 XTX Merc 310 / 7900 XT Pro 24G / Vastarmor 7900 XTX, 5V ARGB
Bykski A-XF7900XTX-X Full-Cover GPU Water Block + Backplate for XFX RX 7900 XTX Merc 310 / 7900 XT Pro 24G / Vastarmor 7900 XTX, 5V ARGB
TL;DR: The A-XF7900XTX-X is a full-cover water block built around the PCB shared by the XFX Speedster Merc 310 RX 7900 XTX, the XFX RX 7900 XTX Pro 24G and the Vastarmor RX 7900 XTX. The cold plate is high-purity copper with nickel electroplating and a 0.5mm micro-channel jet over the Navi 31 die....
Common Applications
The A-XF7900XTX-X is a full-cover water block built around the PCB shared by the XFX Speedster Merc 310 RX 7900 XTX, the XFX RX 7900 XTX Pro 24G and the Vastarmor RX 7900 XTX. The cold plate is high-purity copper with nickel electroplating and a 0.5mm micro-channel jet over the Navi 31 die. Large-flow MOS channels carry coolant across the GDDR6 memory stack and the VRM phases, so one block handles the GPU, memory and power stages in a single pass. The cover is PMMA acrylic with G1/4 inlet and outlet ports on top and side faces for serial or parallel routing, and the backplate is black anodized aluminum that stays out of the coolant path. Lighting is a pre-installed 5V 3-pin ARGB strip.
Frequently Asked Questions
Q: Which exact cards fit this block?
A: XFX Speedster Merc 310 RX 7900 XTX, XFX RX 7900 XTX Pro 24G and Vastarmor RX 7900 XTX.
Q: Does it fit the XFX 7900 XT (non-XTX) Merc?
A: Confirmed cards in this SKU are 7900 XTX Merc 310, 7900 XTX Pro 24G and Vastarmor 7900 XTX. Other 7900 XT variants need verification against the listed PCBs.
Q: What materials are used?
A: Nickel-electroplated high-purity copper cold plate, PMMA acrylic cover, black anodized aluminum backplate not in contact with coolant.
Q: What lighting does it use?
A: 5V 3-pin addressable RGB (RBW). Do not connect to a 12V 4-pin RGB header.
Q: What fitting size is supported?
A: G1/4 inch BSP threads on top and side ports for serial or parallel multi-block routing.
