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JQ Lau










March 23, 2026
Launching Cloudflare’s Gen 13 servers: trading cache for cores for 2x edge compute performance

Cloudflare’s Gen 13 servers double our compute throughput by rethinking the balance between cache and cores. Moving to high-core-count AMD EPYC ™ Turin CPUs, we traded large L3 cache for raw compute density. By running our new Rust-based FL2 stack, we completely mitigated the latency penalty to unlock twice the performance.




Syona Sarma,JQ Lau, and Jesse Brandeburg















March 23, 2026
Inside Gen 13: how we built our most powerful server yet

Cloudflare's Gen 13 servers introduce AMD EPYC™ Turin 9965 processors and a transition to 100 GbE networking to meet growing traffic demands. In this technical deep dive, we explain the engineering rationale behind each major component selection.




Syona Sarma,JQ Lau,Ma Xiong, and Victor Hwang















October 15, 2024
Analysis of the EPYC 145% performance gain in Cloudflare Gen 12 servers

Cloudflare’s Gen 12 server is the most powerful and power efficient server that we have deployed to date. Through sensitivity analysis, we found that Cloudflare workloads continue to scale with higher core count and higher CPU frequency, as well as achieving a significant boost in performance with larger L3 cache per core.




JQ Lau and Syona Sarma















September 25, 2024
Cloudflare’s 12th Generation servers — 145% more performant and 63% more efficient

Cloudflare is thrilled to announce the general deployment of our next generation of server — Gen 12 powered by AMD Genoa-X processors. This new generation of server focuses on delivering exceptional performance across all Cloudflare services, enhanced support for AI/ML workloads, significant strides in power efficiency, and improved security features.




JQ Lau,Ma Xiong, and Syona Sarma















December 1, 2023
Cloudflare Gen 12 Server: bigger, better, cooler in a 2U1N form factor

Cloudflare Gen 12 Compute servers are moving to 2U1N form factor to optimize the thermal design to accommodate both high-power CPUs (>350W) and GPUs effectively while maintaining performance and reliability




JQ Lau and Syona Sarma















October 16, 2023
Introducing the Project Argus Datacenter-ready Secure Control Module design specification

The DC-SCM (Datacenter-ready Secure Control Module) decouples server management from the server motherboard. It provides flexibility to implement multiple server management and security solutions with the same server motherboard design




Xiaomin Shen and JQ Lau

















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