China Gets Its First Domestically Produced 64-Core Servers With Zhaoxin’s KH-40000 CPUs
Chinese chipmaker, Zhaoxin, has unveiled server solutions for the domestic market based on KH-40000 CPUs, featuring up to 64 cores in a single rack.
Development of Chinese firms towards in-house solutions has started to hasten up recently, after the "vigorous" waves of US sanctions. After making strides in the client CPU market with its recent KX-7000 CPUs, it looks like Zhaoxin has decided to make a dominant entry in the server markets with its general-purpose "R3210 Z11" server, which features the Kaisheng KH-40000 series CPUs, connected in a dual-socket configuration.
It is reported that the server comes with extended compatibility and can house 32 DDR4 modules, along with six PCIe slots. It isn't a huge number when we compare them with the likes of AMD and Intel's latest server solutions, but for China's domestic markets, it is indeed an achievement.
Expanding on the Zhaoxin KH-40000 CPUs, they are based on Zhaoxin's new self-developed "Yongfeng" micro-architecture coming with a reference frequency of 2.0/2.2GHz and a maximum operating frequency of 2.7GHz. A single CPU can integrate 32 cores, provide 64MB cache, support dual-channel 64-core interconnection, and access memory bandwidth up to 200GB/s. The KH-40000 CPU is compatible with the x86 instruction set, supports SM2, SM3, and SM4 acceleration instructions, features processor and IO virtualization technology, and supports secure boot technology and national standard trusted computing system, making it a leading option for the industry's adoption.
The Zhaoxin KH-40000 CPUs are available in 32-core, 16-core, and 12-core versions, and it is said that the latest servers will utilize the highest-end 32-core variant which means that it is expected to come with computing
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