Switch Series & Supported Models
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NVIDIA/Mellanox MSN4600-VS2FC Mellanox Spectrum-3 Based 200GbE 2U Open Ethernet Switch with Cumulus Linux, 64 QSFP56 Ports, 2 Power Supplies (AC),x86 CPU, Standard Depth, P2C Airflow, Rail Kit
P/N: MSN4600-VS2FC SKU: 10403
US$37,999.00
Switch Types:
- MSN4600-CS2F 64x 100GE QSFP28,P2C,Onyx
- MSN4600-CS2FC 64x 100GE QSFP28,P2C,Cumulus
- MSN4600-VS2FC 64x 200GE QSFP56,P2C,Cumulus
- MSN4700-WS2F 32x 400GE QSFP-DD,P2C,Onyx
- MSN4700-WS2FC 32x 400GE QSFP-DD,P2C,Cumulus
Quantity:
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30-day return and refund
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3-year warranty
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Available for delivery within 2 days
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Free shipping for orders over
Products Highlight
- 64 × 200GbE QSFP56 Ports in 2U
- Flexible 1–200GbE Multi-Rate Port Connectivity
- Breakout to 128 × 10/25/50GbE Server Links
- High-Density Spine or Leaf Deployment
- RoCE-Enabled Layer 2/3 Data Center Fabric
- Single-Pass VXLAN and IPv6 Segment Routing
Specifications
| Part Number | MSN4600-VS2FC | Switch ASIC | NVIDIA Spectrum-3 |
|---|---|---|---|
| Form Factor | 2U | Switching Capacity | 12.8Tbps |
| Ports | 64 x QSFP56 | Port Speed | 200GE |
| Software | NVIDIA Cumulus Linux | Airflow | Power-to-Connector (P2C) |
| Cooling Mechanism | Air Cooled | Input Voltage | 100VAC / 110VAC, 15A; 120VAC, 12A; 200–240VAC, 10A, 50/60Hz |
| Dimensions (H × W × D) | 88 × 428 × 566.4mm | Warranty | 1-Year / 3-Year / 5-Year Support Options Available |
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FAQ
Ask a QuestionFind answers to common questions about our products.
Can the SN4600-VS2FC operate as a 200GbE spine when most existing leaf switches and servers still use 100GbE?
Yes. Each 200GbE QSFP56 port can break out into two independent 100GbE links without consuming adjacent port resources. This allows the platform to operate as 64×200GbE or scale to up to 128×100GbE connections, making it suitable for a gradual migration from 100GbE leaf networks to a 200GbE spine layer.
Why can’t I upgrade an existing 100GbE QSFP28 link to 200GbE simply by replacing the modules?
200GbE Ethernet typically uses PAM4 signaling, while traditional 100GbE QSFP28 links commonly use NRZ signaling.
Can this switch be used temporarily as a high-density 50GbE or 25GbE aggregation platform?
Yes, but port planning is required. A 200GbE QSFP56 port can break out into 4×50GbE or 4×25GbE connections. However, each four-way breakout requires the adjacent physical QSFP56 port to be disabled. The system therefore supports up to 128 logical 50GbE or 25GbE interfaces, rather than 256 breakout connections across all 64 cages.
Can the SN4600-VS2FC serve as an EVPN/VXLAN spine in a Cumulus Linux fabric?
Yes. Cumulus Linux supports BGP EVPN as the control plane for VXLAN. When the switch operates only as a spine or route reflector and exchanges EVPN routes, it typically does not require local VXLAN tunnel interfaces.
What should be checked before populating the switch with 200GbE optics or active cables?
Each QSFP56 port supports modules rated up to 5W. Before deploying high-density optics or active cables, verify the actual module power draw, system power headroom, and rack cooling capacity. This P2C model moves air from the power-supply side toward the connector side, so airflow direction should remain consistent with other equipment in the rack to reduce recirculation and thermal risk.
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