-In a 1RU from factor, the X5120 uses a rack-optimized 1-socket UltraSPARC T2
-Can supports up to 64 simultaneous threads of execution in 8 cores at once.
-Has internal hardware RAID 1 (mirroring) and RAID 0 (striping)
-16 FBDIMM slots can each support 1-GB, 2-GB, and 4-GB modules
-System configurations from 4 GB (4×1GB) to 64 GB (16×4GB) of memory
-4 USB 2.0 ports
-Lights Out Manager is embedded