# Efficient Computer

> Processor startup developing energy-efficient compute architectures; raised more than $97 million in Series B financing at a $650 million valuation.

## Why it is interesting

Direct exposure to the energy bottleneck in physical AI and data centers, with a company-disclosed valuation and volume-production milestone.

## Profile

- **Latest funding:** Series B — >$97M (September 29, 2026)
- **Latest known valuation:** $650M (September 29, 2026)
- **Total disclosed equity funding:** Not publicly disclosed
- **Stage:** series-b
- **Status:** private
- **Industries:** N/A
- **Coverage:** full
- **Last updated:** 2026-09-30
- **Latest funding investors:** TQ Ventures, Eclipse, Union Square Ventures, Toyota Ventures

## Key facts

- Sep 29, 2026: >$97M Series B at $650M valuation
- Total funding disclosed: $173M
- Electron E1 is in volume production

## Funding history

- Series B · >$97M · September 29, 2026
  Source: https://www.efficient.computer/resources/announces-97m-raise-to-scale-its-processors-from-physical-ai-to-the-datacenter

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** September 30, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

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Source: https://venturecapitaltracker.com/startup/efficient-computer