Silicon Box
Silicon Box

Silicon Box

Measured by AhrefsDR27Ahrefs DR: 27/100. Below median. Measured by Ahrefs. Median 44.Measured by StartupHub.aiAgent48Agent Readiness: 48/100. Above median. Measured by StartupHub.ai. Median 41.Measured by Google PageSpeedSpeed63Site Speed: 63/100. Above median. Measured by Google PageSpeed. Median 62.Measured by StartupHub.aiTrust86Data Trust: 86/100. Top 25%. Measured by StartupHub.ai. Median 61.

Advanced semiconductor integration and packaging for high-performance computing and AI.

2021Active198Sunnyvale, United States

About

Silicon Box specializes in advanced semiconductor integration and packaging technologies, focusing on chiplet-based solutions for high-performance computing, AI, and data center applications. They develop scalable, high-density panel-level packaging platforms to enable heterogeneous integration.

Key facts

Website
silicon-box.com
Headquarters
Sunnyvale, United States
Founded
2021
Employees
198
Total funding
$503M (Series B)
Business model
B2B

Funding rounds

Funding rounds raised by Silicon Box
DateRoundAmountPost-moneyLead investors
1 Jul 2025Series B$303M$1.6B
9 Jan 2024Series B$200M$1.0BMaverick Capital, Praesidium

Tech stack

Detected on silicon-box.com, last scanned 25 Oct 2026.

Frontend
jQuery
Analytics
Google Analytics 4
Email provider
Proofpoint
Cookie consent
Termly

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Frequently asked

Is Silicon Box trustworthy and reputable?

StartupHub's Data Trust & Reputation score for Silicon Box is 86 out of 100, a trusted rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.

How much funding has Silicon Box raised?

Silicon Box has raised a total of $503M in funding. The most recent round on record is Series B.

How many employees does Silicon Box have?

Silicon Box has approximately 198 people on record.

SEC filings, insider activity, nonprofit links and pay benchmarks for Silicon Box:

Company details: from public sources. Funding: no announced round on file. Ownership: not yet claimed by the company. Scores: measured by named tools; each links to its method. Our rules