AMA27 is a ARM-based HPC cluster featuring the AmpereOne A192-32M processor. The cluster consists of 312 compute nodes, each with a single socket CPU with 192 cores and 384 GB of DDR5 memory. The system is capable of delivering more than 500 million CPU core hours per year. AMA27 also features a 5 PB GPFS file system. Compute nodes are connected via a 200 Gbps NDR Infiniband network.