Chinese GPU maker Maxsun has done it again: the company now liquid-cools its dual Arc B60 GPU model in a single slot, giving users the power of two GPUs in a single PCIe slot width. The company confirmed a conventional two-slot blower model and a surprising single-slot liquid-cooled edition, each housing a pair of Arc Pro B60 GPUs. Each GPU carries 24 GB of memory, giving the board 48 GB of capacity in total. Maxsun positions these modules as building blocks for dense inference workstations that combine memory and compute across multiple cards. The firm described configurations that allow four of the 48 GB boards to be installed in a single workstation for 192 GB of aggregate video memory, meaning that models with hundreds of billions of parameters can run locally. Maxsun said partners intend to offer these boards in purpose-built systems aimed at AI startups and research labs. For the waterblock, Maxsun has tapped abee PC cooling company.

Technically, both GPUs expose independent display I/O with one DisplayPort 2.1 and one HDMI 2.1b connector apiece. The blower card is full height, exceeds 30 cm in length, and employs a lateral blower cooling solution, while the design draws auxiliary power from a 12V-2x6 pin connector rated for 600 watts. Maxsun omitted a PCI Express bridge chip and instead relies on the BMG G21 silicon native PCIe 5.0 by 8 host interface, splitting lanes across the x16 edge connector in a manner analogous to M.2 NVMe riser adaptors. That approach simplifies board routing and helps systems scale memory pooling, and the company referenced CPU-level coherency features introduced alongside PCIe Gen 5 and CXL as part of Intel Project Battlematrix. No pricing or ship dates were announced, and Maxsun suggested the card may be offered as a special option for workstation-class W790 motherboards, which it also makes.