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Supermicro 2U rack server, matte black front panel with drive bays and power button

Supermicro

Supermicro ARS-520M-NPL-OTO-42 rack server, Ampere Altra Q64-22 64-core 2.2GHz, 128GB DDR4, 960GB SSD

SKU CH-E8QB-YEMQA MPN ARS-520M-NPL-OTO-42

A 2U rack server with a 64-core Ampere Altra Q64-22 processor at 2.2GHz, 128GB DDR4-3200 memory, 960GB SSD and a 12Gb/s SAS RAID adapter

  • WorkloadGeneral Purpose Server
  • CPU TypeAmpere Altra
  • 64-core Ampere Altra processor handles parallel workloads efficiently
  • 2 GHz clock speed sustains steady compute throughput
  • 128 GB DDR4-3200 memory supports large dataset processing
  • 960 GB SSD provides fast local storage access
  • 12 Gb/s SAS RAID adapter protects data with hardware redundancy

Built for scale-out workloads

The Supermicro ARS-520M-NPL-OTO-42 is a 2U rack server built around a single Ampere Altra Q64-22 processor with 64 cores at 2.2GHz. It ships with 128GB of DDR4-3200 memory and a 960GB SSD. A 12Gb/s SAS RAID adapter is included for internal storage expansion. This configuration targets cloud-native deployments, web serving and container platforms that benefit from high core counts in a compact form factor.

Efficient thermal profile

The CPU carries a 95W TDP, allowing the system to run cool under sustained multi-threaded loads. Fan curves are tuned for steady airflow rather than burst speeds, keeping acoustic output low in dense rack rows. Power draw scales predictably with thread utilisation, making capacity planning straightforward for operators managing large fleets.

Replaces older dense compute nodes

This server consolidates workloads that previously required multiple lower-core boxes, reducing rack space and cabling. The jump is worth it when licensing, management overhead or physical density favour fewer, wider nodes. Buyers who need GPU acceleration or specialised vector instructions should evaluate alternative architectures.

Pontos fortes

  • 64-core Ampere Altra processor handles parallel workloads efficiently
  • 2 GHz clock speed sustains steady compute throughput
  • 128 GB DDR4-3200 memory supports large dataset processing
  • 960 GB SSD provides fast local storage access
  • 12 Gb/s SAS RAID adapter protects data with hardware redundancy

Especificações

WorkloadGeneral Purpose Server
CPU TypeAmpere Altra
Peso de envio24.49 kg
Dimensões da embalagem864 × 673 × 279 mm

Perguntas sobre este artigo

How do I install the Ampere Altra Q64-22 processor into the ARS-520M-NPL-OTO-42, and what step is commonly missed?

The CPU is pre-installed in the barebone chassis. The step often missed is verifying that all 128 GB of DDR4-3200 memory modules are fully seated in their slots before first power-on.

What maintenance or replacement will the 960GB SSD and RAID adapter need later?

Monitor the SSD health via the 12Gb/s SAS RAID adapter firmware. Replace the drive if SMART attributes indicate wear, and keep the adapter firmware current for compatibility.

What limit appears first when the 64-core 2.2GHz CPU runs sustained workloads at 95W?

The 95W thermal envelope is the first limit. Sustained all-core loads will hit the power budget before memory bandwidth or storage throughput become bottlenecks.

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