- Spica Gen2-T adds to the Marvell industry-leading portfolio of 800 Gbps
DSPs, the most widely deployed optical DSPs in cloud data centers
and AI clusters.
- Based on Spica Gen2, Spica Gen2-T enables the development of
a new class of energy efficient modules to further optimize AI and
cloud infrastructure.
SANTA
CLARA, Calif., March 25,
2024 /PRNewswire/ -- Marvell Technology, Inc.
(NASDAQ: MRVL), a leader in data infrastructure semiconductor
solutions, today announced Spica Gen2-T, the industry's first 5nm
800 Gbps transmit-only PAM4 optical DSP. Designed for transmit
retimed optical modules (TRO modules), Spica Gen2-T can reduce the
power consumption of 800 Gbps optical modules by more than
40%1 while maintaining interoperability with
conventional optical modules and IEEE 802.3 compliant host
devices.
Escalating cloud and AI compute demands are driving service
providers to expand the breadth and capacity of their optical
interconnect networks and adopt higher-bandwidth optical modules so
they can connect a growing number of accelerators into a single
logical compute node. With some AI clusters requiring tens of
thousands of connections, higher optical interconnect efficiency is
critical.
To enable cloud service providers to optimize their
infrastructure, Marvell has
reduced power per bit and cost per bit with every generation of
optical DSPs. Additionally, Marvell develops DSPs fine-tuned for specific
operating characteristics, emerging use cases and/or new classes of
modules such as TRO to serve the broadening spectrum of link types
and use cases, compatible with existing industry standards to
ensure full interoperability.
TRO modules use transmit-only DSPs to digitize, process,
equalize, and amplify data from host devices, performing
electrical-to-optical conversion on the egress path; and use TIAs
only to perform the optical-to-electrical conversion on the ingress
path. TROs with transmit-only DSPs can reduce power consumption yet
maintain the auto adaptation and compensation capability to
minimize part-to-part, system-to-system variation when deployed in
scale, which has become critical for large AI system
deployment.
"Industrywide shipments of PAM4 optical DSPs are expected to
more than triple by 2029 due to the urgent demand for bandwidth. At
the same time, the growing pervasiveness and importance of optical
technology in data center architectures will put a premium on
efficient solutions," said Vlad
Kozlov, CEO and founder of LightCounting. "With
transmit-only DSPs, Marvell is
continuing its efforts to expand the boundaries for what can be
accomplished with PAM4 technology."
Spica Gen2-T is the latest member of the Marvell family of 800 Gbps optical DSPs, the
most widely deployed optical DSP in cloud data centers and AI
clusters2. The 800 Gbps portfolio also includes
Spica, the world's first 800 Gbps PAM4 for pluggable modules; Spica
Gen2, a 5nm bidirectional optical DSP for 500m -10km connections; and Perseus, a 5nm
optical DSP featuring integrated TIAs and drivers. Spica, Spica
Gen2, Spica Gen2-T, and Perseus are all based on the Marvell industry-leading PAM4 optical DSP
architecture. By developing a portfolio of products optimized for
different use cases from a core set of technologies, Marvell provides hyperscale cloud providers
and others with the necessary ingredients for lowering costs,
improving utilization, and optimizing their accelerated
infrastructure.
Notable features of Spica Gen2-T include:
- Enables <8W 800G transmit retimed optical (TRO) module
- Supports 1x800G, 2x400G, 8x100G connectivity
- Supports independent lane operation
- IEEE, MSA and CMIS compliant DSP that supports all
200G/400G/800G applications
- Low-power transmit path-only DSP with integrated laser drivers
for a wide range of optics
- Advanced diagnostic feature for link monitoring
"Millions of 800G modules based on Marvell's Spica product family have been
deployed globally to meet the surging demand for AI. As a result,
the underlying systems and networks supporting these applications
are evolving rapidly," said Xi Wang,
Ph.D., vice president of product marketing for Optical Connectivity
at Marvell. "Spica Gen2-T
underscores our commitment to improve the performance, efficiency,
and reliability of accelerated infrastructure and give our
customers technology for optimizing infrastructure to suit their
unique needs."
Availability
Spica Gen2-T is sampling now to select
customers.
About Marvell
To deliver the data infrastructure technology that connects the
world, we're building solutions on the most powerful foundation:
our partnerships with our customers. Trusted by the world's leading
technology companies for over 25 years, we move, store, process and
secure the world's data with semiconductor solutions designed for
our customers' current needs and future ambitions. Through a
process of deep collaboration and transparency, we're ultimately
changing the way tomorrow's enterprise, cloud, automotive, and
carrier architectures transform—for the better.
- Marvell estimates based on
internal testing.
- Marvell estimates based on
company and analyst report data.
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Michael Kanellos, Head of Influencer
Relations
pr@marvell.com
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