Choose 1200mm for longer server chassis, dense cable bundles, or larger 3-phase vertical PDUs. It gives more rear clearance and simplifies airflow and maintenance in high-density deployments. Why does usable depth matter more than external rack depth?Based on industry-standard modular server design, the HPE ProLiant Compute DL320 Gen12 provides a right-sized, efficient compute solution. It is a 1U 1P server that provides best-in-class performance, with maximum I/O capabilities for cloud-native, Infrastructure-as-a-Service (IaaS), and. For a typical 1U or 2U server deployment, we consider a 1000mm (39. 4 inches) external depth to be the absolute baseline. However, as hardware evolves, we are increasingly standardizing on 1200mm (47. Limited time offer, ends 05/10 Limited time offer, ends 05/10 Limited time offer, ends 05/10 Limited time offer, ends 05/10 Limited time offer, ends 05/10 Shop 1U Server Chassis on Newegg. Our 1U rackmount servers are available with either Intel or AMD processors, to best match your application's unique needs. Puget Servers offer high core counts, memory capacity, and lots of PCI-Express lanes in compact rackmount form factors. 45mm) in height and 19" (482.