Firefly CSC2-N48SPK3: A 2880 TOPS RISC-V AI Server with 48 SpacemiT K3 Nodes and 48 NVMe SSDs

Firefly CSC2-N48SPK3: A 2880 TOPS RISC-V AI Server with 48 SpacemiT K3 Nodes and 48 NVMe SSDs

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Following the official launch of SpacemiT’s K3 Pico-ITX SBC and the mass production of the K3 chip, an Edge AI mini PC and a laptop motherboard for Framework 13 have been released. Adding to these, Firefly has introduced the CSC2-N48SPK3, a large 2U rack-mounted server built on multiple SpacemiT K3 SoCs designed to deliver RISC-V computing power to enterprise racks.

While consumer devices and modular laptops serve developers well, substantial server-side AI workloads demand stronger hardware. The CSC2-N48SPK3 meets this demand with up to 48 SpacemiT K3 RISC-V compute nodes. Each node features an octa-core X100 SoC providing up to 60 TOPS (Sparse) AI performance, up to 32GB LPDDR5 RAM, 128 GB UFS storage, and an optional NVMe SSD. Firefly uses a Rockchip RK3588 octa-core Arm processor as the main control node to manage all these nodes.

CSC2 N48SPK3 RISC V Server

Firefly CSC2-N48SPK3 specifications:

  • Server Form Factor – 2U rack-mounted 48 Node high-density server
  • Architecture
    • 48 distributed computing nodes + 1 control node
    • Total AI Performance – 2880 TOPS (60 TOPS x 48, INT4)
  • Compute Nodes (x48)
    • SoC – SpacemiT Key Stone K3 8-core X100M 64-bit RISC-V AI processor; up to 2.4GHz
    • Performance – 130K DMIPS general-purpose computing power per node; single-core SpecInt2006 exceeds 9.0/GHz
    • Compliance – Fully complies with RVA23 Profile
    • Memory – Up to 32GB LPDDR5 per node (available in 8GB, 16GB, or 32GB)
    • Storage – 128GB UFS 2.2 per node

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