Marvell PHY Transceivers

Ethernet PHYs

Connecting Infrastructure with Broadest PHY Portfolio 

Ethernet PHYs

Marvell transceivers enable optimized form factors with multiple port and cable options, efficient power consumption and simple plug-and-play functionality.


Ethernet PHYs

Marvell continuously delivers the most advanced and complete PHY products to the infrastructure market. Marvell’s transceivers are utilized for a wide array of enterprise, carrier, small medium business, industrial and cloud data center applications.

Fast & Gigabit Ethernet

Marvell offers a comprehensive portfolio of Alaska® Fast Ethernet and Gigabit Ethernet PHY transceivers to address various Ethernet networking standards. These PHYs are built on Marvell’s legacy of providing unique, best-in-class features that enable customers to expand their Ethernet applications. With efficient design and a high-level of integration, Marvell’s PHYs bring low power dissipation, small form factor, high performance and advanced feature sets.

Marvell’s Gigabit Ethernet PHYs allow thermal-efficient packages for fan-less, heat-sink-less designs while the octal members of the Fast Ethernet PHY family lead the industry with the lowest power consumption, resulting in reduced fan requirements. Both PHY families feature Marvell’s Virtual Cable Tester® (VCT) technology, allowing IT managers and networking equipment manufacturers to analyze quickly and remotely the quality and attributes of the cable, avoiding unnecessary equipment returns and on-site service calls.

  • Energy Efficient Ethernet (EEE) IEEE 802.3az for all supported data rates
  • Integrated Marvell Virtual Cable Tester® (VCT) technology
  • At least 170m reach at 1G
  • 500m reach at 100M
  • MACSec - Allows data encryption for layer 2 security (MP)
  • 1588v2 - Support 1 and 2 step PTP
  • SyncE - Synchronous Ethernet


Octal 10/100/1000 Mbps Energy Efficient Ethernet Transceiver with Time-Sensitive Networking Support


10/100/1000 BASE-T PHY, Octal Port, EEE, USGMII to Cu Transceiver


10/100/1000 BASE-T PHY, Octal Port, EEE, QSGMII to Cu Transceiver


10/100/1000 BASE-T PHY, Quad Port, PTPv2, SGMII/QSGMII to Cu/Fiber Transceiver


10/100/1000 BASE-T PHY, Octal Port, EEE, QSGMII to Cu Transceiver


10/100/1000 BASE-T PHY, Single Port, EEE, RGMII/SGMII to Cu/Fiber/SGMII Transceiver


10/100/1000 BASE-T PHY, Low Latency, PTPv2, (RGMII/MII)


10/100/1000 BASE-T PHY, Single Port, EEE, RGMII to Cu Transceiver


Integrated 10/100 Fast Ethernet Transceiver - Additional MII Support

Scalable mGig2.5G & mGig5G

Marvell’s Alaska family of mGig PHYs are designed to enable enterprises to quickly and cost-effectively migrate to mGig Ethernet networking infrastructure. Compatible with the NBASE-T Alliance specification for 2.5G and 5G data rate over Cat5e cables, Marvell’s mGig PHYs offer high performance, design simplicity and extremely low-power dissipation. The devices use DSP technology to enable the repurposing of low-cost CAT5e Ethernet cables for data rates as high as 5Gbps, supplanting the use of optical technology for applications such as 802.11ac access point backhaul, switches, servers, workstations and high-end PCs. The devices support CAT 6 and CAT6a type cables, as well as Category 5e type cables for distances up to 100m.  

  • Compliant with NBASE-T Alliance specifications for 2.5G and 5G modes
  • Superior EMI Mitigation - both Fast Retrain and Common Mode Sense implemented
  • Auto Media Detect - Allows one device to act as an Optical (SFI) or Base-T PHY
  • 802.11ax and 802.11ac Wave 2 Access Point backhaul
  • 10BASE-T legacy support


Octal-port, 5-speed PHY operating at 10M, 100M, 1000M, 2.5G, 5G data rates, MP-USXGMII/XFI to Cu Transceiver with PTP support


A quad-port, 5-speed mGig5G, 10M/100M/1G/2.5G/5G PHY data rates over Cat5e cables


An octal-port mGig5G, 10M/100M/1G/2.5G/5G PHY Ethernet Transceiver compatible with both IEEE 802.3bz standard and NBASE-T Alliance specification for 2.5 Gbps and 5 Gbps operation over Cat5e cables


Quad-port, mGig5G, 10M/100M/1G/2.5G/5G PHY in a 14x12 mm package


Quad-port, mGig2.5G, 10M/100M/1G/2.5G PHY in a 14x12 mm package


Single-port, mGig2.5G, 10M/100M/1G/2.5G PHY in a 7x7 mm package


Single-port, mGig2.5G, 10M/100M/1G/2.5G PHY in a 7x11 mm package


Quad port, mGig5G, 10M/100M/1G/2.5G/5G PHY


Quad port, mGig2.5G, 10M/100M/1G/2.5G PHY


Octal port, mGig5G, 10M/100M/1G/2.5G/5G PHY


Octal port, mGig2.5G, 10M/100M/1G/2.5G PHY


A single-port, 5-speed mGig5G, 10M/100M/1G/2.5G/5G PHY data rates on UTP copper lines

Scalable mGig10G

With a wide variety of copper (Base-T) and fiber/backplane PHYs to support 10 Gigabit Ethernet (10 GbE) applications, Marvell’s PHYs bring high-speed data transfer capabilities that support the roll-out of new 802.11 standards for enterprise networking. Available in a variety of port options, Marvell’s 10 GbE PHYs enable broad-based market adoption of 10 GbE network connectivity over Cat 6a cabling.  The Marvell 10 GbE PHY family boasts devices with the industry’s lowest power, highest performance and smallest form factor for solutions of its kind and integrates features such as Energy Efficient Ethernet (EEE), PTP/1588v2, Sync-E, MACsec, and support of all PoE standards up to 100W.

  • Multi-rate connectivity supporting 10Gbps/5Gbps/2.5Gbps/1Gbps/100Mbps Ethernet speeds
  • Advanced Cable Diagnostics with on-chip high-resolution cable analyzer
  • Energy-Efficient Ethernet (EEE)
  • Integrated MACsec (IEEE 802.1ae) with full support for AES-256 and stand-alone operation


Octal-port, 6-speed PHY operating at 10M, 100M, 1000M, 2.5G, 5G, 10G data rates, MP-USXGMII/XFI to Cu Transceiver with PTP support


A quad-port, 6-speed mGig10G, 10M/100M/1G/2.5G/5G/10G PHY data rates, MP-USXGMII/XFI to Cu Transceiver


Single Copper mGig10G, 10M/100M/1G/2.5G/5G/10G PHY with MACsec support


Single Port Copper mGig10G, 10M/100M/1G/2.5G/5G/10G PHY with MACsec support


Quad mGig10G, 10M/100M/1G/2.5G/5G/10G PHY


Octal port, mGig10G, 10M/100M/1G/2.5G/5G/10G PHY


10 GbE, Quad_Single Port mGig10G, 10M/100M/1G/2.5G/5G/10G PHY, PTP, EEE, RXAUI/XFI/XGMII to Cu

High Speed Line Cards

The Marvell Alaska C 400G/200G/100G/50G/25G Ethernet transceivers are Physical Layer (PHY) devices featuring the industry’s lowest power, highest performance and smallest form factor.  Alaska C devices are optimized for 400 Gigabit, 200 Gigabit, 100 Gigabit Ethernet, 50 Gigabit Ethernet and 25 Gigabit Ethernet applications. The Marvell Alaska C PHY incorporates the industry’s highest performance 25G NRZ, 56G and 112G PAM4 SerDes technology, to support full duplex transmission over a variety of media including optics, passive direct attach cables and copper backplanes. Alaska C family includes Transceivers that support IEEE 802.1AE 256-bit MACSec encryption and highly accurate IEEE 1588 PTP timestamping. This comprehensive and innovative feature set enables network equipment manufacturers to deliver solutions with increased throughput, enhanced security and timing precision for hyperscale data center, edge, enterprise and 5G infrastructure applications.

  • Support for Ethernet speeds from 1G to 400G
  • 25G NRZ and 56G, 112G PAM4 Long Reach Serdes that exceed IEEE specified performance requirements
  • Support for Gearboxing between NRZ and PAM4 modes of operation, with FEC termination and regeneration
  • 256bit MACSec Encryption
  • Support IEEE 1588 v2 timestamping with accuracy exceeding Class C accuracy requirements


Dual 800GbE Retimer DSP PSM-4, Gearbox, MACsec and PTP Ethernet PHY with 100G serial I/Os at 1.6T capacity


Dual 800GbE Retimer/Gearbox with 100G serial I/Os and passive DAC and Backplane drive capability


Dual 400G MACsec PHY with 100G serial I/Os


Dual 400G, Quad 200G, Octal 100G, 16 port 50G/25G/10G/1G Ethernet Transceiver with 256-bit MACsec Encryption and Class C PTP Timestamping


Vega PAM4 DSP is an octal port bi-directional CDR device


Dual 400G Ethernet Retimer, Quad 200G, Octal 10G, 16 port 50G/25G PHY/Retimer


Quad 100G, 16 port 25G/10G/1G Ethernet Transceiver with 256 bit MACSec Encryption and Class C PTP Timestamping


Dual Port 100GbE/40GbE, Quad Port 50GbE, Octal Port 25GbE/10GbE/1GbE PHY/Retimer compliant to IEEE 802.3bj, IEEE 802.3by, IEEE 802.3ba and 25G Ethernet consortium specifications


Dual 100 Gbps Ethernet Transceiver with integrated FEC for Copper Cable and Backplane Drive Capability


Integrated 40GbE to 25GbE Gearbox, Quad 25G Ethernet Transceiver with Copper Cable and Backplane Drive Capability


Integrated 100 Gbps Ethernet/MLG Gearbox with integrated FEC for Copper Cable and Backplane Drive Capability


The Marvell Alaska A is a PAM4 DSP (Digital Signal Processing) retimer product family (800G/400G) for Active Electrical Cable (AEC) application, optimized for Switch to Switch and Switch to Server connectivity inside next generation cloud data center, high-performance computing and AI systems. Alaska A 400G/800G are retimer devices which utilizes a 112G Gbps PAM4 DSP SERDES for optimal performance with greater than 40dB loss on both the Line and Host interfaces.

  • Support for >40dB Loss
  • Enables thinner and longer reach cable
  • Significant margin to IEEE (e.g. 802.3ck)  and CEI Standards for 100G and 50G PAM4 operation
  • Support for IEEE Auto Negotiation and Training protocol
  • Comprehensive test and debug capabilities

Alaska A 800G

An 800G (8x100G) retimer optimized for 800G AEC cables in QSFP-DD and OSFP form factors

Alaska A 400G

An 400G (4x100G) retimer optimized for 800G/400G AEC cables in QSFP-DD and OSFP form factors

Legacy Products - Marvell 88E2180

Legacy Products

Marvell's collection of ethernet PHY legacy products offer solutions for enteprise, carrier, small-medium business, industrial and cloud data center applications.

View Legacy Products

Ethernet PHYs Media

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