Silicom
Silicom is an Israeli designer and manufacturer of connectivity hardware for servers, network appliances, and server-based systems.
Last updated August 27, 2026
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Overview
Silicom is an Israeli technology company whose brand is associated with specialized connectivity hardware for servers and server-based network systems. Rather than primarily selling consumer networking equipment, the company develops components and subsystems intended to be integrated into security appliances, WAN optimization systems, and other network appliances manufactured and sold by original equipment manufacturers and solution providers. Its products are designed to add or improve networking capacity and to provide functions such as multi-port connectivity, traffic bypass, and appliance-oriented network management capabilities. The company was established in 1987 by Avi Eizenman. Its early activity focused on integrated-circuit products supplied to information-technology solution manufacturers. During the early 1990s, Silicom broadened its focus toward connectivity products for mobile and personal-computer users, and later developed products related to broadband Internet access. This early evolution gave the business experience in networking components while its commercial emphasis gradually moved toward equipment used in professional and enterprise environments. Silicom completed an initial public offering on Nasdaq in 1994. A major strategic shift followed in 2002, when it began developing high-end multi-port server networking cards. These products became an important growth engine and helped establish the company in the market for embedded networking components. In 2003, Silicom adopted a design-win business model. Under this approach, it worked with customers that incorporated Silicom products into their own networking appliances or server-based systems, allowing the customer to market a complete solution with Silicom hardware embedded inside it. This model positioned Silicom as an infrastructure component supplier rather than a highly visible end-user equipment brand. The company’s core offering has included server networking cards with and without server adapters, products that increase the number of available network ports, and specialized hardware for security, WAN optimization, and other network appliances. In 2009, Silicom introduced the Server To Appliance Converter, or SETAC, a product family intended to help providers of appliance-based network solutions connect server platforms with appliance architectures. Silicom is part of the RAD Group family of companies and has maintained a public-market presence in both the United States and Israel. Its business is characterized by business-to-business sales, design wins, integration into customer platforms, and engineering-led product development. Because its hardware is commonly embedded in systems sold under other companies’ brands, Silicom has generally had greater importance within networking supply chains than consumer-level brand recognition. The available reference material does not identify a current chief executive, precise headquarters city, current revenue figures, or a current trading ticker, so those details are left unspecified.
History
Silicom was founded in Israel in 1987 by Avi Eizenman. Its initial business centered on integrated-circuit products for information-technology solution manufacturers. During the early 1990s, the company moved toward designing and manufacturing connectivity products for mobile and personal-computer users. It later expanded into products associated with broadband Internet, reflecting the growing importance of network access and data communications. The company became publicly traded through an initial public offering on Nasdaq in 1994. Its later development was increasingly shaped by a move away from general-purpose connectivity products and toward specialized hardware for servers and network appliances. In 2002, Silicom started developing high-end multi-port server networking cards. These cards increased the number of network ports available on server platforms and could support additional functions needed in security appliances, WAN optimization systems, and related network equipment. The product line became a principal contributor to the company’s subsequent sales growth. In 2003, Silicom began implementing a design-win model. Instead of relying mainly on direct sales to end users, it sought to have its products selected by manufacturers and solution providers and incorporated into their own appliances and server-based systems. This approach made Silicom an embedded component supplier within a broader business-to-business ecosystem. Customers could sell complete networking or security systems incorporating Silicom hardware, while Silicom concentrated on the engineering and production of specialized connectivity components. Silicom’s product portfolio has included server networking cards with and without server adapters, multi-port connectivity products, and hardware incorporating bypass and other special functions. These products have been directed particularly toward server-based security appliances, WAN optimization appliances, and other network appliances. In 2009, the company added the SETAC, or Server To Appliance Converter, family. SETAC was designed for providers of appliance-based network solutions and extended Silicom’s role in connecting server platforms with purpose-built appliance architectures. Silicom’s public-market footprint expanded on December 27, 2005, when its shares began trading on the Tel Aviv Stock Exchange in addition to its Nasdaq listing. The company is identified as a member of the RAD Group family of companies. Its business identity is therefore tied to specialized infrastructure hardware, customer design wins, and integration into third-party systems rather than to a broad consumer-facing product brand. The supplied reference material does not provide enough information to document later product generations, current leadership, revenue, ownership changes, or a precise headquarters location.
- 2009
SETAC product family introduced
[1]Silicom launched its Server To Appliance Converter family for appliance-based network solution providers.
- 2005
Tel Aviv Stock Exchange listing
[1]Silicom shares began trading on the Tel Aviv Stock Exchange on December 27, 2005.
- 2003
Design-win model introduced
[1]Silicom began selling through a design-win model in which customers embedded its products in their own network appliances and server systems.
- 2002
Entry into high-end multi-port server networking
[1]The company began developing high-end multi-port server networking cards, which became a major growth driver.
- 1994
Initial public offering on Nasdaq
[1]Silicom completed an initial public offering on Nasdaq, establishing a public-market presence in the United States.
- 1987
Silicom is founded
[1]Avi Eizenman founded Silicom in Israel, initially focusing on integrated-circuit products for information-technology solution manufacturers.
Products and positioning
An embedded infrastructure and connectivity specialist supplying engineered networking hardware to manufacturers and providers of server-based network, security, and WAN optimization appliances.
Server networking hardware · 2002
Multi-port server networking cards
Silicom’s high-end multi-port server networking cards are designed to expand server connectivity by providing multiple network interfaces in a specialized adapter format. They are intended for integration into server-based network appliances, including security and WAN optimization systems, where port density and appliance-specific networking functions are important. The line became central to Silicom’s growth after the company began developing it in 2002.
Network appliance hardware
Server networking cards with bypass functionality
These connectivity products add specialized functions for network appliances, including bypass capabilities intended for deployment scenarios in which traffic must continue to flow or network paths must be managed during equipment failure, maintenance, or appliance operation. The products are aimed at manufacturers of security appliances, WAN optimization platforms, and related server-based systems rather than at ordinary desktop users.
Server-to-appliance connectivity · 2009
SETAC (Server To Appliance Converter)
SETAC is a product family introduced for providers of appliance-based network solutions. It is designed to help connect or adapt server platforms for use in purpose-built network appliances, supporting vendors that build complete systems around standard server technology and specialized networking functions.
Brand decisions
2003
Adoption of the design-win business modelStrategyBackground
Silicom was increasingly focused on specialized server and network-appliance connectivity rather than only on general-purpose computer connectivity.
Action taken
The company began pursuing design wins with manufacturers and solution providers that would embed Silicom products into their own networking appliances and server-based systems.
Aftermath
The model made embedded appliance connectivity the company’s core market and aligned its sales with customers’ platform-development decisions.
2002
Development of high-end multi-port server networking cardsProduct launchBackground
Network appliances required higher port density and specialized connectivity functions as server-based architectures became more common.
Action taken
Silicom developed a high-end family of multi-port server networking cards for integration into security, WAN optimization, and other network appliances.
Aftermath
The product line became a principal driver of Silicom’s sales growth and reinforced its focus on server-based networking infrastructure.
Recent events
Silicom projects Q3 2021 revenue of $32–33 million[2]
Reported:
Silicom management projected third-quarter 2021 revenue of $32 million to $33 million; the midpoint represented 24% year-over-year revenue growth for the first nine months of 2021.
Silicom launches Evenstar Distributed Unit[3]
Reported:
Silicom announced the launch of its O-RAN-compliant Evenstar Distributed Unit, developed in collaboration with Facebook Connectivity and other Evenstar partners.
Sources4 sources
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