 The $12 million Lonestar 4 cluster replaced its predecessor with 1,888 Dell M610 PowerEdge blade servers, each with two six-core Intel Xeon 5600 processors (22,656 total cores).The system storage includes a 1000TB parallel (SCRATCH) Lustre file system, and 276TB of local compute-node disk space (146GB/node).Lonestar also provides access to five large memory (1TB) nodes, and eight nodes containing two NVIDIA GPU's, giving users access to high-throughput computing and remote visualization capabilities respectively.