System Description



  • 5x Dell R730 server
    • 2x Intel Xeon E5-2698v4 (20-core @ 2.20GHz-3.60GHz)
    • 256GB DDR4 RAM
    • 1x NVIDIA Tesla K80
      • 2x 2496 CUDA Cores (Dual GPU design)
      • 2x 12GB GDDR5
    • Mellanox ConnectX-4 InfiniBand EDR 100Gb/s
    • Intel X520 10Gb/s Ethernet SFP+
    • 400GB Intel SSD
  • 5x 800GB Intel SSD in RAID 5 on chief1 as shared home
  • 1x Mellanox SB7890 100Gb/s InfiniBand EDR switch
  • 1x Dell 10GbE SFP+ switch (currently unused)
  • 1x 1GbE switch as internal management network
  • 2x Geist RCXRN102-102D20TL5-D PDU with monitor capabilities

*Temporary config for ongoing RoCE testing:

  • ConnectX-4 adapters are set to Ethernet mode
  • 100GbE switch


  • Access to the system is restricted to the University of Illinois Student Cluster Competition Team. Visit to learn more about the team.
  • To run jobs on the system, use the slurm system. Direct SSH access to compute nodes has been blocked.
    • <add slurm usage notes>

Contact us

Request access to ISL resources: Application

Contact ISL staff: Email Address

Visit: NCSA, room 3050E

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