MSN3700-CS2FC - 32x100GbE Spectrum-2 Switch | NVIDIA Mellanox
Артикул: MSN3700-CS2FC ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $1 | $1,00 |
MSN3700-CS2FC Обзор
A data center spine/leaf switch is the core building block of cloud-scale layer-2 and layer-3 network fabrics. In the network hierarchy, a spine switch aggregates leaf switches to form non-blocking Clos topologies; the Spectrum-2 platform belongs to the broader family of Open Ethernet switching systems designed for software-defined networking (SDN) and runs the ONIE-installed Cumulus Linux network operating system on an x86 management CPU.
Key features include fully splittable QSFP28 ports supporting speeds from 1GbE to 100GbE, expandable to 128x 10/25GbE ports with splitter cables, dual redundant AC power supplies rated 100-264 V, and L3 managed switching with advanced SDN capabilities. The Spectrum-2 ASIC provides consistent low latency and deep buffering for East-West traffic.
The MSN3700-CS2FC combines the Spectrum-2 silicon with an open ecosystem: ONIE boot loader, Cumulus Linux, and standard x86 CPUs allow full automation through DevOps tooling. Back-to-front (P2C) airflow suits hot-aisle exhaust data center layouts, and the standard-depth chassis fits shallow racks common in colocation facilities.
Typical applications include cloud-scale leaf/spine fabrics, hyperconverged storage networks, big data and analytics clusters, and high-density 25GbE server access using breakout cables. It is also deployed as a super-spine aggregation switch in web-scale IT.
Design consideration: verify airflow direction at ordering time; the -CS2FC (P2C/back-to-front) variant must not be mixed with front-to-back (C2P) units in the same rack without ducting planning.
This page synthesizes distributor pricing, drop-in platform alternatives, and practical deployment notes not found in the manufacturer datasheet, with pricing verified as of 2026-10-19.
Аналоги без доработки для MSN3700-CS2FC — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с MSN3700-CS2FC (тот же форм-фактор и посадочное место) — отличается по Airflow, Power Supplies, Form Factor, Management, ASIC.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
MSN3700-CS2RC
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
Уточнить цену
Открыть даташит →920-9N201-00F7-0C0
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
SSE-SN3700-CS2FC
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MSN3700-VS2FC
✅ Прямая замена✓ В наличии
$9100 / шт.
Открыть даташит →SSE-SN3700-CS2RC
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MSN3700-CS2FC Максимальные параметры и электрические характеристики
| Product Type | 1U managed L3 Ethernet switch |
| ASIC | Mellanox Spectrum-2 |
| Port Configuration | 32 x 100GbE QSFP28 |
| Switching Capacity | 6.4 Tbps |
| Forwarding Rate | 4.76 Bpps |
| Latency | 425 ns |
| Port Speed Range | 1GbE to 100GbE (splittable to 128 x 10/25GbE) |
| Form Factor | 1U rack-mountable |
| Management | L3 managed, x86 CPU, ONIE, Cumulus Linux |
| Airflow | P2C (back-to-front) |
| Power Supplies | 2 x AC, redundant (100-264 V) |
| Диапазон входного напряжения | 100-264 V AC |
| Depth | Standard depth |
| Mounting | Rack-mountable (rail kit included) |
| Series | SN3000 (Spectrum-2) |
Руководство по цоколевке MSN3700-CS2FC в корпусе standard
Цоколевка для MSN3700-CS2FC (корпус standard). Нумерация выводов, функции и схемы подключения определены в техническом описании производителя. Обратитесь к нему для точного посадочного места и рекомендаций по пайке.
Нет подробных данных о распиновке для MSN3700-CS2FC.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
MSN3700-CS2FC подходит для 6 применениеs: Cloud-Scale Leaf/Spine Fabrics, Hyperconverged Storage Networks, Big Data and Analytics Clusters, High-Density 25GbE Server Access, Super-Spine Aggregation, SDN and Network Automation Deployments.
Cloud-Scale Leaf/Spine Fabrics
The MSN3700-CS2FC is purpose-built as a spine switch in Clos topologies for cloud and web-scale data centers. Its 32 x 100GbE QSFP28 uplinks with 6.4 Tbps of non-blocking capacity allow a single spine to connect up to 32 leaf switches at 100G, or more at lower speeds, while the 425 ns cut-through latency keeps fabric hop latency predictable. Because every port is splittable down to 10/25GbE, the same chassis can serve as a high-density leaf connecting 128 servers at 25G via breakout cables. Cumulus Linux on the x86 CPU enables full fabric automation through standard DevOps tooling, and the dual redundant AC supplies maintain uptime during PSU failures. Standard-depth 1U design fits dense colocation racks with P2C back-to-front airflow matching hot-aisle exhaust layouts.
Рекомендуется
Hyperconverged Storage Networks
Hyperconverged infrastructure (HCI) clusters generate heavy East-West replication and rebalancing traffic that demands high bisection bandwidth and consistent latency. The MSN3700-CS2FC addresses this with 6.4 Tbps of switching capacity and a 4.76 Bpps forwarding rate on the Spectrum-2 ASIC, ensuring storage replication traffic does not queue behind compute traffic in shallow-buffer designs. Its 100GbE ports can directly attach NVMe-oF storage arrays or split to 25GbE for host connectivity, supporting flexible blocking ratios. Deep buffering and consistent low latency protect iSCSI, NVMe/TCP, and distributed-storage protocols from microbursts. Cumulus Linux telemetry provides visibility into congestion, and dual AC power supplies plus front/serviceable airflow options make it deployable in both new and legacy facility power layouts with 100-264 V input ranges.
Рекомендуется
Big Data and Analytics Clusters
Distributed analytics frameworks such as Spark, Hadoop, and AI training jobs are dominated by all-to-all shuffle traffic that stresses spine fabrics. The MSN3700-CS2FC provides the 6.4 Tbps bisection bandwidth and 4.76 Bpps packet rate needed to keep shuffle phases from stalling job completion, while the 425 ns per-hop latency of the Spectrum-2 ASIC minimizes RPC tail latency across the cluster. Ports spanning 1GbE to 100GbE let operators connect management, compute, and high-speed data interfaces on one fabric with varied oversubscription. The Open Ethernet software stack (ONIE plus Cumulus Linux) supports telemetry-driven traffic engineering and integration with container networking. Standard-depth 1U chassis and P2C airflow make it straightforward to add spine capacity incrementally in existing 19-inch racks without airflow redesign.
Рекомендуется
High-Density 25GbE Server Access
When deployed as a leaf switch with QSFP28 breakout cables, the MSN3700-CS2FC becomes a 128-port 25GbE server access switch in 1U, giving full-rack connectivity at any speed per Insight documentation. This eliminates the need for separate 25G TOR switches in dense virtualization clusters. Each 100G QSFP28 uplink can break out to four 25GbE SFP28 host connections using passive DAC or AOC cables, keeping cable costs low inside the rack while 100G leaves the rack toward the spine. The Spectrum-2 ASIC's consistent 425 ns latency and deep buffering handle East-West VM migration and storage traffic simultaneously. Dual redundant AC supplies and Cumulus Linux automation make large fleets of leaf switches manageable with identical, scriptable configurations.
Рекомендуется
Super-Spine Aggregation
In multi-pod and multi-site cloud architectures, the SN3000 series scales upward to super-spine roles, and the MSN3700-CS2FC serves as a 100G aggregation point interconnecting pod spines. Its 32 x 100GbE ports provide up to 3.2 Tbps of pod-to-pod bandwidth per switch, and the Layer-3 feature set of the Spectrum-2 platform supports routed fabrics with ECMP across many parallel links. The 425 ns latency adds negligible delay to inter-pod traffic even through multiple fabric hops. ONIE and Cumulus Linux enable zero-touch provisioning when new spines are racked, critical for rapid capacity expansion. Dual 100-264 V AC supplies tolerate varied facility power, and NetworkTigers notes the platform's compact 1U form keeps interconnect density high in super-spine rows where rack units are scarce.
Рекомендуется
SDN and Network Automation Deployments
Organizations building software-defined networks choose Open Ethernet hardware like the MSN3700-CS2FC because it decouples hardware from software: the ONIE installer bootstraps Cumulus Linux (or alternative NOS images) on the integrated x86 management CPU. The Spectrum-2 ASIC exposes programmatic control suitable for SDN controllers, with Layer-2 and Layer-3 features supporting advanced SDN capabilities described in the NVIDIA SN3000 datasheet. Operators gain Linux-native automation, streaming telemetry, and DevOps toolchains for configuration-as-code across the 32 x 100GbE ports. The 6.4 Tbps capacity and 4.76 Bpps rate ensure the hardware is not the bottleneck in automated fabrics. Dual AC power supplies, rack rails, and standard-depth chassis complete a deployment-ready package for enterprises transitioning from vendor-locked CLI management to automated, API-driven network operations.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для MSN3700-CS2FC — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | MSN3700-CS2RC | 920-9N201-00F7-0C0 | SSE-SN3700-CS2FC | MSN3700-VS2FC |
|---|---|---|---|---|---|
| Package / Form Factor | 1U rack-mount | 1U rack-mount - same | 1U rack-mount - same | 1U rack-mount - same | 1U rack-mount - same |
| Brand | NVIDIA (Mellanox) | NVIDIA | NVIDIA | Supermicro | NVIDIA |
| Port Configuration | 32 x 100GbE QSFP28 | 32 x 100GbE QSFP28 | 32 x 100GbE QSFP28 | 32 x 100GbE QSFP28 | 32 x 200GbE QSFP56 |
| Lifecycle Status | Active / secondary market | Active / secondary market | Active (NVIDIA OPN) | EOL at Supermicro | Active |
| Operating System | Cumulus Linux / ONIE | Cumulus Linux / ONIE | Cumulus Linux / ONIE | Cumulus Linux / ONIE | Cumulus Linux / ONIE |
Ключевые отличия
- Dual identity Mellanox/NVIDIA OPN with active secondary supply chain (против SSE-SN3700-CS2FC)
- Consistent 425 ns cut-through latency (против MSN3700-VS2FC)
- Fully splittable ports up to 128 x 10/25GbE (против MSN3700-CS2RC)
Заметки по проектированию
Airflow direction is the single most common ordering mistake on the SN3000 platform. NVIDIA's own ordering documentation warns to pay attention to airflow direction at ordering time: -CS2FC is P2C (back-to-front), while -CS2RC is front-to-back. Mixing directions in one rack without blanking panels and ducting causes hot-air recirculation that can raise switch intake temperatures well above specification. Verify your rack's cold-aisle/hot-aisle containment before ordering spares so replacements match installed units.
The MSN3700-CS2FC uses two AC power supplies rated 100-264 V. For full N+1 redundancy, connect each PSU to a separate power feed or A/B branch circuits; on a single feed, the redundancy is nominal only. Confirm facility voltage stays within the 100-264 V window - low 100 V-class circuits under load can approach the lower limit. Per ServerSupply and LSOLink listings, the rail kit is included and the chassis is standard depth, which simplifies deployment in shallow colocation cabinets.
Plan for platform lifecycle: NVIDIA has issued EOL notifications (LCR-000875) covering Mellanox-era products with suggested replacements, and Supermicro has discontinued the SSE-SN3700 series. Before standardizing on this platform for new builds, confirm the production status of your specific OPN and evaluate the SN4000 series as the forward path. The secondary market (NetworkTigers, Core 4 Solutions, BrightStar) currently offers new-sealed and refurbished MSN3700 units, with the NVIDIA OPN 920-9N201-00F7-0C0 identifying identical hardware.
Информация о соответствии
Compliance data was not present in the provided web data for this complete switch system. Refer to the NVIDIA SN3000 series datasheet and regulatory documentation for declarations.
