According to our (Global Info Research) latest study, the global M.2 Serial Expansion Card market size was valued at US$ 91.89 million in 2025 and is forecast to a readjusted size of US$ 131 million by 2032 with a CAGR of 5.2% during review period.
In 2025, the global annual shipment volume of M.2 Serial Expansion Cards is projected to be approximately 1.24 million units. Industrial computing, embedded systems, and network security equipment are the main sources of demand, with the Asia-Pacific market accounting for over 45%. The average price of these products, depending on the number of channels, interface type, and industrial grade, ranges from $65 to $80 per unit. Models supporting multiple serial ports (RS-232/422/485), isolated designs, or wide temperature specifications can reach up to $140 per unit. In terms of device usage, a single industrial computer or network device typically uses one M.2 Serial Expansion Card for connecting legacy serial devices; in scenarios involving multiple devices, redundant communication, or protocol isolation (such as rail transit, energy, and avionics ground systems), configuring 2-3 cards is also common. These products are inexpensive but indispensable functional expansion modules in a system; their value lies not in computing power, but in their ability to "extend the lifespan" of traditional industrial communication ecosystems. A M.2 Serial Expansion Card is a serial communication expansion module based on the M.2 Key B/Key M interface, primarily used in compact industrial motherboards, embedded computers, or specialized equipment to provide standard serial communication capabilities such as RS-232, RS-422, and RS-485. Its core function is not data processing, but rather acting as a protocol bridging node between the I/O expansion layer and industrial field devices. Compared to traditional PCIe/PCI serial cards, M.2 Serial Expansion Cards emphasize miniaturization, low power consumption, and platform compatibility, making them suitable for modern industrial computing architectures that lack standard expansion slots but still require extensive serial communication. As x86 and ARM industrial platforms continue to evolve towards high integration and slotless designs, M.2 has gradually become the mainstream physical form factor for serial I/O expansion.
This report is a detailed and comprehensive analysis for global M.2 Serial Expansion Card market. Both quantitative and qualitative analyses are presented by manufacturers, by region & country, by Type and by Application. As the market is constantly changing, this report explores the competition, supply and demand trends, as well as key factors that contribute to its changing demands across many markets. Company profiles and product examples of selected competitors, along with market share estimates of some of the selected leaders for the year 2025, are provided.
Key Features:
Global M.2 Serial Expansion Card market size and forecasts, in consumption value ($ Million), sales quantity (K Units), and average selling prices (US$/Unit), 2021-2032
Global M.2 Serial Expansion Card market size and forecasts by region and country, in consumption value ($ Million), sales quantity (K Units), and average selling prices (US$/Unit), 2021-2032
Global M.2 Serial Expansion Card market size and forecasts, by Type and by Application, in consumption value ($ Million), sales quantity (K Units), and average selling prices (US$/Unit), 2021-2032
Global M.2 Serial Expansion Card market shares of main players, shipments in revenue ($ Million), sales quantity (K Units), and ASP (US$/Unit), 2021-2026
The Primary Objectives in This Report Are:
To determine the size of the total market opportunity of global and key countries
To assess the growth potential for M.2 Serial Expansion Card
To forecast future growth in each product and end-use market
To assess competitive factors affecting the marketplace
This report profiles key players in the global M.2 Serial Expansion Card market based on the following parameters - company overview, sales quantity, revenue, price, gross margin, product portfolio, geographical presence, and key developments. Key companies covered as a part of this study include DFI (Public, Taipei, China Taiwan), ASUS (Public, Taipei, China Taiwan), ACCES I/O (Private, San Diego, USA), Delock (Private, Berlin, Germany), Innodisk (Public, Taipei, China Taiwan), Brainboxes (Private, Liverpool, UK), StarTech (Private, Ontario, Canada), SYBA (Private, Chino, USA), Di-ARTs Technology (Private, Taipei, China Taiwan), Cervoz Technology (Private, Taipei, China Taiwan), etc.
This report also provides key insights about market drivers, restraints, opportunities, new product launches or approvals.
Market Segmentation
M.2 Serial Expansion Card market is split by Type and by Application. For the period 2021-2032, the growth among segments provides accurate calculations and forecasts for consumption value by Type, and by Application in terms of volume and value. This analysis can help you expand your business by targeting qualified niche markets.
Market segment by Type
Single-Lane
2 Port
4 Port
Market segment by Size
2230
2242
2260
2280
Others
Market segment by Interface Type
B Key
M Key
Market segment by Application
Industrial Automation Equipment
Rail Transit
Energy and Power
Cybersecurity and Communications
Others
Major players covered
DFI (Public, Taipei, China Taiwan)
ASUS (Public, Taipei, China Taiwan)
ACCES I/O (Private, San Diego, USA)
Delock (Private, Berlin, Germany)
Innodisk (Public, Taipei, China Taiwan)
Brainboxes (Private, Liverpool, UK)
StarTech (Private, Ontario, Canada)
SYBA (Private, Chino, USA)
Di-ARTs Technology (Private, Taipei, China Taiwan)
Cervoz Technology (Private, Taipei, China Taiwan)
Serial Cables (Private, Englewood, USA)
Shentek (Private, Taipei, China Taiwan)
Hilscher (Privat, Hattersheim, Germany)
T-Chip (Private, Zhongshan, China)
LEKUO (Privat, Shenzhen, China)
KALEA-INFORMATIQUE (Private, Provence, France)
EXSYS Vertriebs GmbH (Private, Steinbach, Germany)
DANBIT (Private, Koge, Denmark)
VersaLogic (Private, Tualatin, USA)
TKH (Public, Amsterdam, Netherlands)
IEI (Public, Taipei, China Taiwan)
Market segment by region, regional analysis covers
North America (United States, Canada, and Mexico)
Europe (Germany, France, United Kingdom, Russia, Italy, and Rest of Europe)
Asia-Pacific (China, Japan, Korea, India, Southeast Asia, and Australia)
South America (Brazil, Argentina, Colombia, and Rest of South America)
Middle East & Africa (Saudi Arabia, UAE, Egypt, South Africa, and Rest of Middle East & Africa)
The content of the study subjects, includes a total of 15 chapters:
Chapter 1, to describe M.2 Serial Expansion Card product scope, market overview, market estimation caveats and base year.
Chapter 2, to profile the top manufacturers of M.2 Serial Expansion Card, with price, sales quantity, revenue, and global market share of M.2 Serial Expansion Card from 2021 to 2026.
Chapter 3, the M.2 Serial Expansion Card competitive situation, sales quantity, revenue, and global market share of top manufacturers are analyzed emphatically by landscape contrast.
Chapter 4, the M.2 Serial Expansion Card breakdown data are shown at the regional level, to show the sales quantity, consumption value, and growth by regions, from 2021 to 2032.
Chapter 5 and 6, to segment the sales by Type and by Application, with sales market share and growth rate by Type, by Application, from 2021 to 2032.
Chapter 7, 8, 9, 10 and 11, to break the sales data at the country level, with sales quantity, consumption value, and market share for key countries in the world, from 2021 to 2026.and M.2 Serial Expansion Card market forecast, by regions, by Type, and by Application, with sales and revenue, from 2027 to 2032.
Chapter 12, market dynamics, drivers, restraints, trends, and Porters Five Forces analysis.
Chapter 13, the key raw materials and key suppliers, and industry chain of M.2 Serial Expansion Card.
Chapter 14 and 15, to describe M.2 Serial Expansion Card sales channel, distributors, customers, research findings and conclusion.
Summary:
Get latest Market Research Reports on M.2 Serial Expansion Card. Industry analysis & Market Report on M.2 Serial Expansion Card is a syndicated market report, published as Global M.2 Serial Expansion Card Market 2026 by Manufacturers, Regions, Type and Application, Forecast to 2032. It is complete Research Study and Industry Analysis of M.2 Serial Expansion Card market, to understand, Market Demand, Growth, trends analysis and Factor Influencing market.