Loongson launches 3C3000 16-core server CPU on LoongArch; targets SMB file and database servers

Loongson Technology announced the Loongson 3C3000, a new 16-core server processor for low-cost general-purpose server systems, unveiled June 26, 2026. The chip is based on Loongson's in-house LoongArch instruction set and targets small- and medium-sized business workloads including file, database, web, and business process servers. The 3C3000 uses the company's LA364E processor core design and comes in an FCBGA1371 package (37.5mm x 37.5mm), with pin compatibility to the earlier 3B6000 processor to ease platform reuse.

The processor features 16 physical cores and 16 threads running at 1.5 GHz to 1.8 GHz, with each core supporting 128-bit vector instructions and three-issue out-of-order execution. Cache and memory support are modest by modern server standards: 64KB L1 instruction and data cache per core, 16MB shared L2 cache, and two 72-bit DDR4-2400 memory channels with ECC. The 3C3000 draws a typical 40W at 1.5 GHz, with dynamic clock adjustment for power reduction under lighter loads. For I/O, it provides 32 PCIe lanes split across two x16 interfaces (configurable as x4 or x8) plus a third interface for dual-processor Loongson Coherent Link interconnection.

Loongson's 3C3000 reflects China's push for domestic semiconductor alternatives and localized software ecosystems, particularly for SMB infrastructure where cost and sovereignty matter. The 40W power envelope and modest cache footprint make it competitive for edge data center deployments where thermal and space constraints favor efficient, purpose-built designs. For production teams evaluating server CPUs, this is a signpost of growing x86 alternatives in cost-sensitive markets, though Western enterprises may see limited adoption outside China-focused deployments.