# ASRock 4U16X-GNR2 server supports 8 B300 GPUs with mandatory liquid cooling

ASRock has unveiled the 4U16X-GNR2, a server chassis designed to hold eight B300 GPUs, which requires liquid cooling to manage the thermal output. This product targets high-performance computing and AI workloads, highlighting the increasing need for advanced cooling solutions in dense GPU configurations.

**Importance:** 3/5

## Sources

### Technology
- [Hacker News](https://windowsforum.com/windows-news.4/asrock-4u16x-gnr2-packs-8-b300-gpus-demands-liquid-cooling.440701/) — Tue, 28 Jul 2026 11:40:44 +0000