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Accelsius Tech Stack

Direct-to-chip liquid cooling for AI and HPC datacenters

Computer Hardware Manufacturing Austin, Texas 51–200 employees Founded 2022 Privately Held

Accelsius manufactures two-phase direct-to-chip liquid cooling systems for high-density computing. The stack reveals deep hardware engineering expertise: Altium and SolidWorks for design, C/C++ and Embedded Linux for firmware, OpenBMC for baseboard management, and thermal simulation tools (Yocto, Bitbake) for validation. The hiring mix is engineering-dominant (9 of 11 roles), weighted toward senior and manager levels, suggesting focus on accelerating product development and early-stage deployments rather than scaling sales.

Tech Stack 15 technologies

Core StackSolidWorks NetSuite Altium C/C++ Embedded Linux OpenBMC Bitbake Yocto Redfish IPMI Modbus Minitab Microsoft Office
AdoptingISO 14001 ISO 45001

What Accelsius Is Building

Challenges

  • Heat management in data centers
  • Excessive heat in data centers
  • Traditional cooling system limitations
  • Developing advanced two-phase cooling products
  • Traditional cooling systems struggle to manage heat
  • Inefficient traditional cooling
  • Implementing iqms system
  • Improving incoming inspection
  • Traditional cooling systems inadequate
  • High-density computing environments

Active Projects

  • Enterprise cooling platform electronics
  • High-power thermal simulation sled
  • Sensor integration for control loops
  • Two-phase cooling product development
  • Prototype development and system builds
  • Rack-level system integration during early deployments
  • Evaporator plate design for 2-phase cooling
  • Cold plate design for modern processors/gpus
  • Embedded software for enterprise cooling solutions
  • Openbmc based software stack development

Hiring Activity

Decelerating10 roles · 3 in 30d

Department

Engineering
9
Ops
1
Sales
1

Seniority

Senior
6
Junior
3
Manager
1
Mid
1
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About Accelsius

Accelsius designs and manufactures liquid cooling solutions engineered specifically for direct-to-chip attachment on AI and HPC processors. The company's NeuCool™ technology delivers up to 4,500W per socket with claimed 50% energy savings versus air cooling, targeting mission-critical datacenter and edge deployments. Product roadmap spans evaporator and cold plate design, sensor integration for control loops, and rack-level system integration. The company was founded in 2022 and is based in Austin, Texas.

HeadquartersAustin, Texas
Company Size51–200 employees
Founded2022
Hiring MarketsUnited States

Frequently Asked Questions

What is Accelsius's cooling technology?

Two-phase direct-to-chip liquid cooling (NeuCool™). Rated for 4,500W per socket with up to 50% energy savings versus air-cooled systems. Designed for AI, HPC, and mission-critical datacenter applications.

What tech stack does Accelsius use?

Hardware design: Altium, SolidWorks. Firmware: C/C++, Embedded Linux, OpenBMC, Redfish, IPMI. Thermal validation: Yocto, Bitbake, Minitab. Operations: NetSuite, Microsoft Office.

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