Aquantia Corporation
Aquantia Corporation was a U.S. semiconductor company known for high-speed Ethernet transceivers and networking connectivity technologies.
Last updated August 25, 2026
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Overview
Aquantia Corporation was a semiconductor and networking technology company founded in 2004. It initially concentrated on connectivity products for data centers, developing high-speed transceivers and related Ethernet technologies intended to increase bandwidth without requiring wholesale replacement of installed cabling infrastructure. The company became particularly associated with multi-gigabit Ethernet, 10GBASE-T, and the extension of high-speed networking over copper cable. Aquantia’s early work focused on data-center connectivity, where network operators required higher throughput, lower infrastructure costs, and compatibility with existing copper wiring. In 2012, the company acquired the 10GBASE-T assets of PLX Technology. That transaction strengthened Aquantia’s position in copper-based Ethernet and provided technology relevant to the continuing migration from gigabit networking to 10-gigabit connections. In 2013, Aquantia announced what it described as the first integrated 10GBASE-T MAC/PHY for servers. Combining the media access controller and physical-layer functionality in an integrated solution was intended to simplify server networking designs and support higher-speed Ethernet adoption. The company subsequently broadened its ambitions beyond data centers. In 2014, it joined Cisco, Xilinx, and Freescale in founding the NBASE-T Alliance, an industry group created to promote intermediate Ethernet speeds over widely deployed cabling. The alliance supported 2.5GBASE-T and 5GBASE-T, technologies that could deliver more bandwidth over Cat5e and Cat6 cabling than conventional gigabit Ethernet. The NBASE-T effort contributed to the development and promotion of the IEEE 802.3bz standard, ratified in 2016. That standard enabled 2.5-gigabit-per-second operation over Cat5e cabling and 5-gigabit-per-second operation over Cat6 cabling, helping address the demand for additional bandwidth associated with wireless access points, enterprise networks, and growing data traffic. Aquantia also announced technology in 2016 designed to support data rates of up to 100 Gbps over copper cable, reinforcing its emphasis on higher performance through copper-based connectivity. The company received industry recognition during its independent period. It was named Company of the Year at the 2014 Creativity in Electronics awards and was identified by Deloitte’s Fast 500 rankings as the fastest-growing semiconductor company in North America in 2014, 2015, and 2016. Aquantia was also a finalist for the Company of the Year category in the 2016 ACE Awards organized by UBM Tech’s EE Times and EDN. Marvell Technology Group acquired Aquantia on September 19, 2019. Following the acquisition, the standalone Aquantia brand was phased out and its technology and products were incorporated into Marvell’s portfolio. The company’s former website briefly redirected visitors to Marvell before being shut down. Aquantia therefore no longer operates as an independent brand, although its Ethernet and connectivity technologies formed part of the company’s contribution to Marvell’s networking business.
History
Aquantia Corporation was established in 2004 as a semiconductor company focused initially on data-center connectivity. Its business centered on high-speed transceivers and Ethernet components intended to increase network performance. Rather than treating copper cabling as obsolete, Aquantia developed technologies that could provide substantially higher speeds over installed copper infrastructure, a value proposition relevant to data centers, servers, enterprise networks, and other bandwidth-intensive environments. The company expanded its capabilities in 2012 by acquiring the 10GBASE-T assets of PLX Technology. These assets had earlier been acquired by PLX from Teranetics. The transaction gave Aquantia additional expertise and intellectual property in 10-gigabit Ethernet over twisted-pair copper, supporting its broader effort to make high-speed Ethernet more practical in server and networking equipment. In 2013, Aquantia announced an integrated 10GBASE-T MAC/PHY for servers. The integration of these functions was designed to simplify implementation and support the adoption of 10-gigabit Ethernet in server platforms. The announcement helped establish Aquantia as a specialist in high-speed copper Ethernet rather than solely as a supplier of conventional networking components. Aquantia broadened its industry role in 2014 by co-founding the NBASE-T Alliance with Cisco, Xilinx, and Freescale. The alliance promoted 2.5GBASE-T and 5GBASE-T as intermediate Ethernet speeds capable of operating over existing categories of copper cable. This approach addressed the practical problem that many organizations needed greater bandwidth but did not want to replace all of their installed cabling. Aquantia also announced technology in 2014 intended to increase Ethernet throughput in response to anticipated growth in mobile broadband traffic. The NBASE-T initiative contributed to the standardization of these intermediate speeds. In 2016, IEEE 802.3bz was ratified, allowing 2.5 Gbps over Cat5e cabling and 5 Gbps over Cat6 cabling. The standard helped create a recognized framework for multi-gigabit Ethernet and supported networking applications such as faster enterprise access points and other equipment whose performance exceeded ordinary gigabit Ethernet but did not require immediate deployment of fiber or full 10-gigabit infrastructure. Also in 2016, Aquantia announced technology capable of reaching up to 100 Gbps over copper cable. The announcement reflected the company’s continuing emphasis on extracting more performance from copper-based links. During this period, Aquantia received several forms of industry recognition. It won Company of the Year at the 2014 Creativity in Electronics awards, appeared as the fastest-growing semiconductor company in North America in Deloitte Fast 500 rankings for 2014, 2015, and 2016, and was a finalist for the Company of the Year category in the 2016 ACE Awards conducted by UBM Tech’s EE Times and EDN. Marvell Technology Group acquired Aquantia on September 19, 2019. After the transaction, Aquantia ceased to function as an independent company and its brand was gradually replaced by Marvell’s branding. The former Aquantia website reportedly redirected to Marvell for a short period before being taken offline. The company’s independent history consequently ended with its absorption into Marvell, while its networking technologies became part of Marvell’s broader connectivity portfolio.
- 2019
Acquisition by Marvell completed
[1]Marvell Technology Group completes its acquisition of Aquantia on September 19, ending Aquantia's independent corporate operation.
- 2016
IEEE 802.3bz is ratified
[1]The IEEE ratifies 802.3bz, supporting 2.5 Gbps over Cat5e and 5 Gbps over Cat6 cabling.
- 2014
NBASE-T Alliance founded
[1]Aquantia joins Cisco, Xilinx, and Freescale in founding the NBASE-T Alliance to promote 2.5GBASE-T and 5GBASE-T.
- 2013
Integrated 10GBASE-T server solution announced
[1]Aquantia announces an integrated 10GBASE-T MAC/PHY for servers.
- 2012
10GBASE-T asset acquisition
[1]Aquantia acquires the 10GBASE-T assets of PLX Technology.
- 2004
Aquantia is founded
[1]Aquantia Corporation is established and begins developing connectivity products for data-center applications.
Products and positioning
Aquantia positioned itself as a high-speed Ethernet semiconductor specialist focused on increasing network throughput while preserving the value of existing copper cabling and infrastructure.
Server networking semiconductors · 2013
10GBASE-T MAC/PHY solutions
Integrated components for 10-gigabit Ethernet over twisted-pair copper cabling. Aquantia announced an integrated MAC/PHY solution for servers in 2013, targeting simpler implementation of high-speed Ethernet connectivity in server platforms.
Multi-gigabit Ethernet · 2014
NBASE-T technologies
Aquantia's multi-gigabit Ethernet technologies supported the broader NBASE-T effort, which promoted 2.5GBASE-T and 5GBASE-T over existing copper cabling. The approach enabled higher throughput without requiring immediate replacement of Cat5e and Cat6 infrastructure.
High-speed Ethernet technology · 2016
100 Gbps copper connectivity technology
Technology announced by Aquantia in 2016 that was intended to support data rates of up to 100 Gbps over copper cable, illustrating the company's effort to extend the performance of copper-based networking.
Marketing campaigns
- 2014NBASE-T Alliance
Enterprise networking · Data-center networking · Wireless access infrastructure
Aquantia co-founded the NBASE-T Alliance with Cisco, Xilinx, and Freescale to promote intermediate Ethernet speeds over existing copper cabling. The initiative focused on 2.5GBASE-T and 5GBASE-T as practical upgrades between gigabit Ethernet and higher-speed fiber or 10-gigabit deployments.
Outcome. The effort contributed to the ratification of IEEE 802.3bz in 2016, which standardized 2.5-gigabit operation over Cat5e and 5-gigabit operation over Cat6.
Brand decisions
2019
Accept acquisition by Marvell Technology GroupM&ABackground
Marvell acquired Aquantia as part of its expansion in networking and connectivity technologies.
Action taken
Marvell Technology Group completed the acquisition of Aquantia on September 19, 2019.
Aftermath
Aquantia ceased operating as an independent company and its standalone brand was phased out in favor of Marvell branding.
2012
Acquire PLX Technology's 10GBASE-T assetsM&ABackground
Aquantia sought to strengthen its position in high-speed copper Ethernet and data-center connectivity.
Action taken
The company acquired PLX Technology's 10GBASE-T assets in September 2012.
Aftermath
The transaction expanded Aquantia's technology base in 10-gigabit Ethernet over copper.
Recent events
- 2019
Aquantia acquired by Marvell Technology Group[1]
M&A
Marvell Technology Group completed its acquisition of Aquantia on September 19, 2019. The independent Aquantia brand was subsequently phased out.
- 2014
Aquantia helps establish the NBASE-T Alliance[1]
Other
Aquantia founded the NBASE-T Alliance with Cisco, Xilinx, and Freescale to promote 2.5GBASE-T and 5GBASE-T networking over existing copper cabling.
- 2013
Aquantia announces integrated 10GBASE-T MAC/PHY for servers[1]
Product launch
The company announced an integrated 10GBASE-T MAC/PHY solution intended for server networking designs and higher-speed Ethernet connectivity.
- 2012
Aquantia acquires PLX Technology's 10GBASE-T assets[1]
M&A
Aquantia acquired the 10GBASE-T assets of PLX Technology, which had previously obtained them from Teranetics. The transaction expanded Aquantia's copper Ethernet technology portfolio.
Sources1 sources
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