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NVIDIA® Spectrum SN4000 series switches are the 4th generation of Spectrum
switches, purpose-built for leaf/spine/super-spine datacenter applications. Allowing
maximum flexibility, SN4000 series provides port speeds spanning from 1GbE to
400GbE, with a port density that enables full rack connectivity to any server at any
speed. In addition, the uplink ports allow a variety of blocking ratios to suit any
application requirement.
The SN4000 series is ideal for building wire-speed and cloud-scale layer-2 and layer-3
networks. The SN4000 platforms deliver high performance, consistent low latency along
with support for advanced software defined networking features, making it the ideal
choice for web scale IT, cloud, hyperconverged storage and data analytics applications.
Network Disaggregation: NVIDIA Open Ethernet
Open Ethernet breaks the paradigm of traditional switch systems, eliminating vendor
lock-in. Instead of forcing network operators to use the specific software that is
provided by the switch vendor, Open Ethernet offers the flexibility to use a choice
of operating systems on top of Ethernet switches, thereby re-gaining control of the
network, and optimizing utilization, efficiency and overall return on investment.
Open Ethernet adopts the same principles as standard open solutions for servers and
storage, and applies them to the world of networking infrastructure. It encourages an
ecosystem of open source, standard network solutions.
These solutions can then be easily deployed into the modern data center across network
equipment that eases management and ensures full interoperability. With a range of
system form factors, and a rich software ecosystem, NVIDIA SN4000 series allows you to
pick and choose the right components for your data center.
NVIDIA SN4000 Series
SN4000 series platforms are based on the high-performance Spectrum-3 ASIC with a
bidirectional switching capacity of 12.8Tbps. SN4000 platforms are available in a range
of configurations, each delivering high performance combined with feature-rich layer
2 and layer 3 forwarding, ideally suited for both top-of-rack leaf and fixed configuration
spines. SN4000 series provides full wire speed, cut through-mode latency, on-chip
fully-shared 64MB packet buffering, and flexible port use in addition to advanced
capabilities. Combining a wide range of innovations in the area of programmability,
telemetry, and tunneling with industry leading performance, NVIDIA SN4000 series is
capable of addressing today’s data center’s complex networking requirements.
> What Just Happened?® (WJH) telemetry
dramatically reduces mean time to issue
resolution by providing answers to: When,
What, Who, Where and Why
> Hardware-accelerated histograms
track and summarize queue depths
at sub-microsecond granularity
> Inband network telemetry
(INT)-ready hardware
> Streaming Telemetry
> 512K on-chip flow counters
> Fully shared packet buffer provides a fair,
predictable and high bandwidth data path
> Consistent and low cut-through latency
> Intelligent hardware-accelerated data
movement, congestion management
and load balancing for RoCE and
Machine learning applications that
leverage GPUDirect®
> Best-in-class VXLAN scale-10X more
tunnels and tunnel endpoints
> 512K shared forwarding entries
flexibly shared across ACL, LPM
routes, host routes, MAC, ECMP
and tunnel applications
> Up to 1M IPv4 route entries
> Comprehensive Layer-2, Layer-3
and RoCE
> Advanced network virtualization with
high performance single pass VXLAN
routing and IPv6 segment routing
> Cloud Scale NAT – 100K+ sessions
> Programmable pipeline that can
programmatically parse, process
and edit packets
> Deep Packet Inspection – 512B deep
for accelerated data centers
The SN4700 spine/super-spine offers 32 ports of 400GbE in a compact 1U form factor. It
enables connectivity to endpoints at varying speeds and carries a throughput of 12.8 Tb/s,
with a landmark 8.4Bpps processing capacity. As an ideal spine solution, the SN4700
allows maximum flexibility, with port speeds spanning from 1 to 400GbE per port.
SN4600 is a 2U 64-port 200GbE spine that can also be used as a high density leaf, fully
splittable to up to 128X 10/25/50GbE ports when used with splitter cables. SN4600 allows
for maximum flexibility, with ports spanning from 1 to 200GbE and port density that
enables full rack connectivity to any server at any speed, and a variety of blocking ratios.
SN4600C is a 64-port 100GbE switch system that is ideal for spine/super-spine
applications. With a landmark 8.4Bpps processing capacity and 6.4Tb/s throughput
in a dense 2U form factor, SN4600C offers diverse connectivity in combinations of
10/25/40/50/100GbE. The SN4600C is well-suited to answer the challenging needs of
large virtualized data centers and cloud environments.
SN4410 is a 48-port 100GbE (24x QSFP28-DD) + 8x 400GbE (8x QSFP56-DD) leaf/
spine switch system. The SN4410 is ideal for interconnecting 100GbE servers and
networks to 400GbE infrastructure. With a landmark 8.4Bpps processing capacity
and 8.0Tb/s throughput in a dense 1U form factor, SN4410 offers diverse connectivity
in combinations of 10/25/40/50/100/200/400GbE.
O N Y XLinux Switch
ONIE.NVIDIA Spectrum-3

† For illustration only. Actual products may vary.
* Future Option
Platform Software Options
SN4000 series platforms are available out of the factory in three different flavors:
> Pre-installed with NVIDIA Cumulus Linux, a revolutionary operating system, taking
the Linux user experience from servers to switches and providing a rich routing
functionality for large scale applications.
> Pre-installed with NVIDIA Onyx, a home-grown operating system utilizing
common networking user experiences and an industry standard CLI.
> Bare metal including ONIE image, installable with any ONIE-mounted OS.
ONIE-based platforms utilize the advantages of Open Networking and the
Spectrum-3 ASIC capabilities.
High Availability
SN4000 series switches are designed with the following software and hardware
features for high availability:
> 1+1 hot-swappable power supplies and N+1 hot-swappable fans
> Color-coded PSUs and fans
> Up to 128X 100/50/25/10/1GbE, 64X 200GbE or 32X 400GbE
> Multi-chassis LAG for active/active L2 multipathing
> 128-way ECMP routing for load balancing and redundancy
SN4000 Series: A Rich Software Ecosystem
NVIDIA Cumulus-Linux
NVIDIA Cumulus Linux is a powerful open network operating system enabling
advanced automation, customization and scalability using web-scale principles like
the world’s largest data centers. It accelerates networking functions and provides
choice from an extensive list of supported switch models including Spectrum based
switches. Cumulus Linux was built for automation, scalability and flexibility, allowing
you to build data center and campus networks that ideally suits your business needs.
Cumulus Linux is the only open network OS that allows you to build affordable and
efficient network operations like the world’s largest data center operators, unlocking
web-scale networking for businesses of all sizes.
SONiC was designed for cloud networking scenarios, where simplicity and managing at
scale are the highest priority. NVIDIA fully supports the Pure Open Source SONiC from
the SONiC community site on all of the SN4000 series switch platforms. With advanced
monitoring and diagnostic capabilities, SONiC is a perfect fit for the NVIDIA SN4000
series. Among other innovations, SONiC on SN4000 series enables fine-grained failure
recovery and in-service upgrades (ISSU), with zero downtime.
Linux Switch and Dent
Linux Switch enables users to natively install and use any standard Linux distribution
as the switch operating system, such as DENT, a Linux-based networking OS stack
that is suitable for campus and remote networking. Linux Switch is based on a Linux
kernel driver model for Ethernet switches (Switchdev). It breaks the dependency of
using vendor-specific, closed-source software development kits. The open-source Linux
driver is developed and maintained in the Linux kernel, replacing proprietary APIs with
standard Linux kernel interfaces to control the switch hardware. This allows off-the-
shelf Linux-based networking applications to operate on Spectrum-based switches for
L2 switching and L3 routing, including open source routing protocol stacks, such as FRR
(Quagga), Bird and XORP, OpenFlow applications, or user-specific implementations.