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1U silver rack server with eight 2.5 inch drive bays

Supermicro

Supermicro SYS-121H-TNR barebone server

SKU CH-36Z5-YKVSM MPN SYS-121H-TNR

1U barebone server with dual LGA-4677 sockets, 32 DDR5-5600 DIMM slots, eight hot-swap 2.5" NVMe/SAS/SATA bays, three PCIe 5.0 x16 slots and one OCP 3.0 AIOM slot

  • Dual Intel Xeon Scalable processors on LGA-4677 sockets
  • 32 DDR5 DIMM slots supporting up to 8TB memory at 5600 MT/s
  • Three PCIe 5.0 x16 slots for GPU and accelerator cards
  • Eight hot-swap 2.5-inch bays accepting NVMe, SAS or SATA drives
  • OCP NIC 3.0 compatible AIOM slot for flexible networking

Dual-socket Xeon barebone for dense compute

The Supermicro SYS-121H-TNR is a 1U server barebone that accepts two Socket E LGA-4677 processors from the 5th and 4th Generation Intel Xeon Scalable families. It targets builders who need high core counts and large memory capacity in a single rack unit for virtualization, database or HPC workloads.

Sustained load behaviour with heavy-duty cooling

Eight heavy-duty hot-swap fans provide managed airflow across the CPU sockets, memory array and three PCIe 5.0 x16 slots under continuous load. Optimal fan speed control adjusts RPM to thermal demand, keeping acoustic output lower during idle periods while maintaining stable temperatures during extended GPU or accelerator tasks.

32 DDR5 DIMM slots define maximum capacity

The platform offers 32 DIMM slots supporting RDIMMs up to DDR5-5600, enabling a theoretical 8 TB memory ceiling. Buyers who need more than 32 slots or faster memory speeds must choose a different chassis.

How it compares

Measured against everything we stock in Barebone Servers & DIY Kits, at today’s prices. Recalculated every night.

Price $2,477.99
Typical for this category: the median of 532 items is $2,503.49.

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Specifications

Size & build
Shipping weight20.87 kg
Package size1031 × 605 × 198 mm

Questions about this item

How loud are the 8 heavy-duty hot-swap fans when the SYS-121H-TNR runs continuously?

Eight heavy-duty hot-swap fans feature optimal fan speed control to balance airflow and acoustics during sustained operation.

Which CPUs and memory must I supply for the dual Socket E (LGA-4677) board?

Install two 5th or 4th Gen Intel Xeon Scalable processors and populate up to 32 DDR5-5600 RDIMM slots for a maximum of 8 TB.

Can I keep my existing PCIe 3.0 or 4.0 accelerator cards in the three x16 slots?

Three PCIe 5.0 x16 slots accept GPU and accelerator cards and are backward compatible with earlier PCIe generations.

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