Supermicro SYS-120U-TNR 1U barebone server 12×2.5″ bays 32 DDR4 slots

1U dual-socket barebone for dense compute

The Supermicro SYS-120U-TNR is a 1U rackmount server barebone built for virtualization, HPC and software-defined storage. It targets integrators who need high core counts and massive memory capacity in a single rack unit. No processors or memory are installed, so the system arrives ready for a custom configuration.

32 DDR4 slots supporting 12 TB ECC

The defining specification is the memory subsystem: 32 DIMM slots wired for DDR4 3200 with ECC, scaling to 12 TB across two LGA 4189 sockets. Buyers who need more memory channels per CPU or a different memory generation cannot use this platform.

Twelve 2.5″ hot-swap bays

The chassis provides 12 front bays that accept NVMe, SATA or SAS drives without cabling changes. Four full-length PCIe 4.0 x16 slots — two low-profile and two full-height — accommodate GPUs, NICs or storage controllers. A single VGA port handles basic display output.