Last updated 2026-09-02
- Acquired by Mellanox Technologies for $218M, Feb 2011
- Raised $15M B Round Extension led by Baker Capital, Mar 2004
- Raised $13.2M Series B led by Baker Capital, Jan 2002
Total raised
$39.5M
Last: Undisclosed Round 2007-04
Stage
Acquired
Founded
1997
Headcount
202
HQ
Herzliya, Israel
Sector
Business Software
About
Voltaire was an Israeli company that provided server and storage switching and software solutions to enable high-performance grid computing within the data center. Their solutions allowed computing clusters to be linked as a single unified computing resource, or fabric, leveraging the InfiniBand architecture for high-speed communication and energy efficiency. The company was acquired by Mellanox Technologies in 2011.
Funding history · 5 rounds · $39.5M total
5 events/rounds · $39.5M Total Funding: $39.5M in Private Equity
Apr 2007
C Round
Undisclosed
tracxn.com
★ Concord Ventures★ 10 more investors
Mar 2004
★ Baker Capital★ Vertex Venture Capital★ Pitango Venture CapitalPNVTamir Fishman VenturesChallenge Fund - EtgarPlatinum Neurone Ventures
Sep 2002
★ Hitachi★ GP Ventures★ Baker Capital★ DFJ Tamir Fishman★ Benhamou Global Ventures★ Concord Ventures (Israel)
Jan 2002
★ Baker CapitalPlatinumQuantum VenturesTamir Fishman VenturesPitango Venture CapitalPlatinum Neurone Ventures
May 2001
A Round
$9.3M
pitchbook.com
★ Quantum Ventures★ Tamir Fishman Ventures★ Pitango Venture Capital★ Platinum Neurone Ventures★ Shrem Fudim Kelner Technologies (SFKT)PolarisConcordChallengeVirgotech fundsTechnoplus Ventures
Headcount over time
202 employees (2026-09) · 1 point
Offices
Herzliya, Israel · HQ / main office
Q&A
- What is Voltaire's current status?
- Voltaire was acquired by Mellanox Technologies in February 2011 for $218 million. The company is currently inactive.
- When was Voltaire founded?
- Voltaire was founded in April 1997.
- What was Voltaire's primary business?
- Voltaire provided server and storage switching and software solutions for high-performance grid computing within data centers, utilizing InfiniBand architecture.
- How many employees did Voltaire have?
- Voltaire had 51-200 employees.
- What was the total amount of funding Voltaire raised?
- Voltaire raised a total of $111 million USD.
Team · 2
Ronnie Kenneth
Chairman and CEO
Asaf Somekh
VP of Marketing
Sectors & technology
Primary sector
Business Software
Technologies
Target customers
Tags
switchesvirtualizationcloud
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)
External links
| Website | www.voltaire.com |
|---|---|
| linkedin.com/company/12925 |
Identifiers & details
| Legal name | Voltaire Ltd. |
|---|---|
| Founded | 1997-4 |
| Employees (exact) | 202 |
| Status reason | Acquired (Inactive) by Mellanox Technologies on Dec 2010 - closed due to acquisition |
Acquisitions & public offerings
Acquired by Mellanox Technologies 2011-02 $218.0M
Radar intelligence
Patents
| EPO | 52 |
|---|
Publications (Crossref)
| Works | 10 |
|---|
GitHub
| Top repos | minecraft-site, minecraft-site-old, fishbans-python, sksksk, spigot-server |
|---|
Web history (Wayback)
| Domain | voltaire.com |
|---|
Israeli Companies Registrar (רשם החברות / ICA)
| Registrar # (ח.פ.) | 515867471 |
|---|---|
| Status | פעילה |
| Corp type | ישראלית חברה פרטית |
| Incorporated | 2018-07-01 |
| Purpose | לעסוק בכל עיסוק חוקי |
| Liability | מוגבלת |
| In violation (unfiled) | yes |
| Last annual report | 2023 |
| Active charges / liens | 0 |
| Registry events | 1 — violation (1) |
| Registered address | הברזל 11 תל אביב - יפו |
Recent registry events
| Date | Event |
|---|---|
| 2026-06-25 | עדכון הפרה |