The Lenovo ThinkSystem SC777 V4 Neptune Server is the first system in the supercomputing class powered by the NVIDIA GB200 NVL4 Grace Blackwell Superchip. It features 2x NVIDIA Grace processors and 4x NVIDIA Blackwell GPUs in one vertical 21” compute tray. Each processor supports 72 Arm Neoverse V2 cores. Scaling from a compact 13U enclosure, each N1380 Neptune enclosure can house 8x SC777 V4 trays. Up to 3x N1380 enclosures can be housed in a standard 19” rack cabinet.
Overview
Specifications
Documentation
Overview
Lenovo ThinkSystem SC777 V4 Neptune Server - System Overview
Additional Information
On the front of the chassis, there are 6x water-cooled PCIe Gen5 adapter slots. Just behind these slots, Administrators will find 5x water-cooled drive cages, each with 2x E3.S 1T drives for up to 10x E3.S NVMe SSDs per tray. The Lenovo ThinkSystem SC777 V4 Server utilizes direct water cooling to remove heat from all components such as CPUs, memory, I/O, local storage, and voltage regulators. The SC777 V4 Server is designed for high-performance computing environments including grid deployments, technical computing, and analytics workloads in various fields such as research, life sciences, energy, engineering, and financial simulation.
The 13U enclosure has 4x 15kW power conversion stations (PCS), and built-in Neptune water flow distribution manifolds. A cooling Distribution Unit (CDU) can be positioned in the rack or externally. The Supercomputer infrastructure is engineered for ExaScale to EveryScale, promising a decade of top-tier performance for compute clusters of all sizes. The N1380 Enclosure has a System Management Module (SMM) on the back. Lenovo’s SC777 V4 Neptune comes with XClarity Controller 3 (XCC3), which helps manage the system easily and efficiently. It features advanced energy monitoring and management capabilities and a user-friendly interface, simplifying the management of complex HPC environments.
Specifications
Lenovo ThinkSystem SC777 V4 Neptune Server - Specifications
Form Factor
NVIDIA GB200 base system
2x Grace processors and 4x Blackwell GPUs in one vertical 21” compute tray, 8x trays per Enclosure (N1380)
Chassis
8x compute trays per 13U Enclosure (N1380) for 19’’ rack cabinets, up to 3x enclosures per rack
Processors
2x Grace processors, 72x Arm Neoverse V2 cores each processor
CPU Memory/Bandwidth
Up to 480GB LPDDR5X / Up to 512GB/s each processor
GPU Memory/Bandwidth
Up to 384GB HBM3e / Up to 16TB/s each GPU
I/O Expansion
Support up to 6x NVIDIA NDR or 3x XDR LP InfiniBand Adapters
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