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Silver 1U rack server chassis with eight front drive bays

Supermicro

Supermicro AS -1126HS-TN barebone server, dual EPYC 9005/9004, 24 DDR5 slots

SKU CH-T24P-Z20V1 MPN AS -1126HS-TN

Dual EPYC 9004/9005 barebone with 24 DDR5 slots, 8 hot-swap 2.5 NVMe/SATA bays, two PCIe 5.0 x16 FHFL, one PCIe 5.0 x16 FHHL, AIOM slot and two M.2 PCIe 3.0 NVMe slots

  • Dual EPYC 9005/9004 processors power demanding workloads
  • 24 DDR5 slots deliver high memory capacity
  • 8 hot-swap 2.5" NVMe/SATA bays offer flexible storage
  • 2 PCIe 5.0 x16 FHFL slots enable GPU acceleration
  • 1 AIOM slot supports OCP NIC 3.0 networking

Dual EPYC 9004 and 9005 barebone

The Supermicro AS -1126HS-TN is a 1U barebone server designed for dual AMD EPYC 9004 and 9005 series processors. It targets datacentre workloads that demand high core counts and memory bandwidth in a compact rack form factor. Builders who need a single-processor platform or who require more than two full-height PCIe slots should look elsewhere.

Hot-swap bays and airflow for dense compute

Eight front-access 2.5 inch hot-swap bays accept NVMe and SATA drives, with an optional four-bay upgrade available. The chassis airflow path is engineered to cool dual high-wattage CPUs and a full complement of DDR5 memory under sustained load. Acoustic output reflects the high static-pressure fans needed for this thermal density.

24 DDR5 slots and three PCIe 5.0 x16 slots

Twenty-four DDR5 DIMM slots operate at one DIMM per channel for maximum capacity. Expansion includes two full-height full-length and one full-height half-length PCIe 5.0 x16 slots plus one AIOM slot compatible with OCP NIC 3.0 modules. Two M.2 PCIe 3.0 NVMe slots provide boot or cache storage without consuming drive bays.

How it compares

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

Price $1,719.99
Cheaper than about 72% of the 532 comparable items (median $2,503.49).

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Specifications

Size & build
Shipping weight18.78 kg
Package size1100 × 672 × 224 mm

Questions about this item

How do I install the EPYC processors into the dual sockets without bending pins?

Align the gold triangle on each EPYC 9004 or 9005 CPU with the socket marker, lower the carrier gently, and torque the retention screws in the labelled diagonal sequence to seat all 16 contact rows evenly.

Which components will need replacement first during long-term operation?

The cooling fans and the CMOS battery on the system board are the only field-replaceable parts that wear out under normal 24/7 server duty.

At what point does the 5.0 link speed become the bottleneck during sustained heavy I/O?

When all 24 DDR5 DIMM slots are populated at 1DPC and every PCIe 5.0 x16 slot plus the eight NVMe bays drive simultaneous traffic, the aggregate bandwidth hits the CPU root-complex ceiling first.

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