Question 1

What is 400G?

Accepted Answer

A 400G solution provides 400 gigabits per second of bandwidth on a single wavelength, also known as 400GbE or 400Gb/s. It is suited for large telcos, hyperscale data centers, and enterprises needing high capacity for 5G, AR/VR, and 4K video workloads.

Question 2

How many companies implement 400G?

Accepted Answer

Based on our data, 539 companies implement 400G. This number is updated daily as we discover new companies through job posting analysis.

Question 3

What types of companies implement 400G?

Accepted Answer

400G is relevant across multiple industries including Software Development, Semiconductor Manufacturing, Appliances, Electrical, and Electronics Manufacturing. Companies range from startups to enterprises with 10,000+ employees.

Question 4

How does TheirStack track companies related to 400G?

Accepted Answer

TheirStack analyzes millions of job postings daily from company career pages, job boards, and recruitment platforms. When a company mentions 400G in their job descriptions, requirements, or responsibilities, we identify them as related to 400G and add them to our database.

Question 5

How can I get the full list of companies that implement 400G?

Accepted Answer

You can access the complete list of 539 companies on TheirStack. The data includes company name, industry, size, location, funding, and revenue. Available via our web app or API.

Question 6

How often is the company data updated?

Accepted Answer

Our database is refreshed daily. We continuously monitor job postings to detect new companies implementing 400G and update existing records.

Company	Country	Industry	Employees	Revenue	Technologies
Cisco	United States	Software Development	98k	$52B	400G
Marvell Technology	United States	Semiconductor Manufacturing	11k	$5.5B	400G
Astera Labs	United States	Semiconductor Manufacturing	841	$4M	400G
Molex	United States	Appliances, Electrical, and Electronics Manufacturing	45k	$9B	400G
AMD	United States	Semiconductor Manufacturing	65k	$23B	400G
Cornelis Networks	United States	Computer Networking Products	234		400G
Broadcom	United States	Semiconductor Manufacturing	58k		400G
Arista Networks	United States	Computer Networking Products	5.5k	$3.9B	400G
Zayo Group	United States	Telecommunications	3.8k	$2.6B	400G
NVIDIA	United States	Computer Hardware Manufacturing	46k	$27B	400G

Companies implementing 400G

List of companies that implement 400G