Aquantia

What Aquantia does

Aquantia was a fabless semiconductor company founded in 2004 and headquartered in Milpitas, California, that developed high-speed Ethernet connectivity silicon for cloud computing infrastructure and next-generation enterprise networks. Its core technology centered on physical layer transceivers (PHYs) and Ethernet controllers designed to deliver multi-gigabit connectivity for data center servers, switches, and adapter cards, targeting hyperscale cloud and enterprise network modernization use cases. Aquantia generated revenue through hardware sales of these semiconductor products to OEM and embedded networking customers, with eight disclosed venture funding rounds between 2005 and 2015 raising approximately US$195 million from investors including Greylock, Lightspeed Venture Partners, New Enterprise Associates, Pinnacle Ventures, Cisco Investments, GlobalFoundries, and RUSNANO.

In June 2019, Aquantia was acquired by Marvell Technology, Inc. for approximately US$452 million, becoming a wholly-owned subsidiary within Marvell's broader networking and connectivity portfolio. The acquisition supplemented Marvell's internal development alongside other strategic transactions including Cavium (US$6 billion, 2018) and Inphi Corporation (US$10 billion, 2021). Post-acquisition, Aquantia no longer operates as an independent company; its Ethernet PHY and controller IP has been integrated into Marvell's networking product portfolio alongside Ethernet controllers, PHYs, data center switches, and broader connectivity offerings now serving hyperscalers, enterprise networks, and 5G carriers. The company's leadership prior to acquisition included co-founder Ramin Farjad as Chief Architect and SVP of R&D, Linda Reddick as CFO, and Sreenivas Vaddi as VP of Operations.

Name

Aquantia

Website

https://aquantia.com

Company type

Private

Founded year

2004

Operating status

Acquired

Headcount range

101–250 employees

Short description

Aquantia was a fabless semiconductor company developing high-speed Ethernet PHY and controller silicon for cloud computing and next-generation enterprise networks, operating from Milpitas, California before being acquired by Marvell Technology in 2019.

Ownership category

akta.pro rank

Product category

Ethernet Connectivity Semiconductors

NAICS

Other Communications Equipment Manufacturing (33429)

SIC

Computer Communications Equipment (3576)

akta.pro primary industry

Cloud-Scale / Hyperscale Ethernet Switching (HDAFAAAF)

akta.pro secondary industries

AI Networking for Clusters (InfiniBand/Ethernet/RDMA) (HDAAAAAE), Cloud Connectivity & Interconnect (Cloud On-Ramps, IX, Cross-Connects) (HDAIAFAF)

Keywords

• Ethernet connectivity
• Semiconductor PHY solutions
• High-speed networking
• Enterprise networking chips
• Cloud infrastructure silicon

Headquarters

HQ city

Milpitas

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Personnel, Supply Chain, Operations

Revenue model

1. Custom ASIC / Custom Silicon: Marvell designs and manufactures custom application-specific integrated circuits (ASICs) for hyperscalers and large enterprises, tailored to specific AI infrastructure and networking requirements.
2. Standard Semiconductor Products: Off-the-shelf semiconductor products including Ethernet controllers, PHYs, switches, DSPs, retimers, storage controllers, and other connectivity solutions sold to enterprise and carrier customers.
3. Optical Connectivity Products: Data center interconnect optical modules, coherent DSPs, and photonic solutions for high-speed AI infrastructure connectivity.
4. Semiconductor IP and Licensing: Patented semiconductor technologies spanning 17,783 patents across networking, computing systems, and semiconductor technologies, with licensing opportunities from acquired portfolios (Inphi, Cavium, Aquantia).

Go-to-market motion2 records

Distribution channels2 records

Marketing channels5 records

Core offering

Aquantia is a semiconductor company developing Ethernet connectivity solutions, including physical layer transceivers (PHYs) and Ethernet controllers, designed for cloud computing data centers and next-generation enterprise networks. Its products enable high-speed Multi-Gigabit Ethernet connectivity for enterprise networking, server, and storage equipment.

Product overview

Marvell Technology offers a comprehensive portfolio of semiconductor products organized into four main categories: Compute (CXL, Data Processing Units, Security), Networking (Coherent DSPs, Data Center Switches, Enterprise Switches, Ethernet Controllers, Ethernet PHYs, DCI Optical Modules, Linear Drivers, PAM DSPs, PCIe Retimers, Transimpedance Amplifiers), Storage (Fibre Channel, HDD, Storage Accelerators, SSD Controllers), and Custom (Custom ASIC, Government Solutions). The company positions itself as a critical AI infrastructure partner for hyperscalers, offering both custom silicon tailored for any application and the industry's most comprehensive portfolio of interconnects and network switch products. Marvell serves three primary markets: Data Center (AI infrastructure, custom silicon, connectivity platforms), Enterprise (modernized and secured networks), and Carrier (5G wireless network silicon).

Differentiator

Problem solved

Functional benefit

Products and services

• Ethernet Connectivity Semiconductors Ethernet physical layer transceivers (PHYs) and controllers providing high-speed Multi-Gigabit Ethernet connectivity for cloud computing data centers and next-generation enterprise networks. Targeted at OEMs, ODMs, and enterprise equipment manufacturers.

Quantifiable outcome

• Data center revenue grew from less than 10% in 2016 to more than 75% currently, demonstrating successful transformation to AI infrastructure focus
• +1 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Feature6 records

Partnerships

Four partnerships are on record, tiered core.

• NVIDIAcoreStrategic or Co-development Partner · 3 June 2026NVIDIA has invested $2 billion in Marvell as part of an expanded strategic partnership covering optics, photonics and NVLink Fusion. Marvell joined NVIDIA's NVLink Fusion ecosystem, positioning Marvell's optical connectivity solutions as key enablers for AI infrastructure. The partnership targets the connectivity bottleneck in AI compute clusters, where scaling challenges have shifted beyond processors and memory to network infrastructure.
• Inphi CorporationcoreOthers · 1 November 2021Acquisition of Inphi Corporation completed in 2021 for approximately US$10 billion, adding coherent optical DSP and photonic technologies to Marvell's portfolio, significantly enhancing data center interconnect capabilities.
• Aquantia Corp.coreOthers · 3 June 2019Acquisition of Aquantia Corp. completed in 2019 for approximately US$452 million, adding high-speed Ethernet controller and PHY technologies to Marvell's networking portfolio.
• Cavium, Inc.coreOthers · 6 July 2018Acquisition of Cavium, Inc. completed in 2018 for approximately US$6 billion, adding multi-core processor and networking solutions to Marvell's semiconductor portfolio.

Scale indicators6 records

Recent moves5 records

Direct peers

• Broadcom: Broadcom is the dominant incumbent in Ethernet switching, controllers, and PHYs for data center and enterprise — directly competing with Aquantia's core multi-gigabit Ethernet silicon and serving the same hyperscaler and enterprise networking customers.
• NVIDIA: Following its Mellanox acquisition, NVIDIA is a direct competitor in high-speed AI cluster networking silicon (InfiniBand plus increasingly Ethernet), competing for the same hyperscaler Ethernet/AI infrastructure wallet that Aquantia's Ethernet portfolio addresses.
• Realtek Semiconductor: Realtek is a major merchant supplier of Ethernet controllers and PHYs for PCs, embedded, and consumer networking — directly overlapping with Aquantia's Ethernet controller silicon, particularly at lower and mid speed tiers.

Others

• Marvell Technology: Marvell is Aquantia's acquirer (2019, ~US$452M) and the parent within which Aquantia's Ethernet controllers and PHYs now operate as part of Marvell's broader networking, storage, and AI infrastructure semiconductor portfolio.
• Cisco Systems: Cisco was an Aquantia investor via Cisco Investments in 2015 and is the dominant enterprise networking OEM integrating Ethernet silicon (where Aquantia/Marvell compete) into enterprise switches, routers, and campus networking gear.
• Xilinx (now AMD): Xilinx led Aquantia's 2014 funding round and provides FPGA-based high-speed networking solutions that serve as an alternative buyer solution to dedicated Ethernet controllers/PHYs in adjacent data center and carrier networking use cases.

Broad incumbents

• Intel: Intel has long-standing Ethernet silicon offerings (server/PC Ethernet controllers and adjacent networking silicon) that overlap with Aquantia's enterprise and data center Ethernet PHY/controller portfolio, although Intel competes across a much broader compute and networking footprint.
• Microchip Technology: Microchip acquired Microsemi and ships multi-gigabit Ethernet PHYs serving enterprise and industrial networking customers — directly comparable to Aquantia's Ethernet PHY product line, within Microchip's much broader mixed-signal and embedded portfolio.
• Texas Instruments: Texas Instruments is a major Ethernet PHY and mixed-signal semiconductor supplier with multi-gigabit Ethernet offerings that compete with Aquantia's core Ethernet PHY franchise, within a much broader analog and embedded semiconductor portfolio.
• NXP Semiconductors: NXP designs mixed-signal and communications semiconductors, including Ethernet and networking connectivity chips, that sit adjacent to Aquantia's Ethernet controller/PHY niche within a much broader automotive and industrial semiconductor portfolio.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks4 records

Key highlights5 records

Customer concentration

• Xx.com/10GEinsights
• LinkedInlinkedin.com/company/aquantia

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds8 records

Investors14 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Aquantia