Switch Series & Supported Models
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NVIDIA/Mellanox MQM8700-HS2F Mellanox Quantum™ HDR InfiniBand Switch, 40 QSFP56 Ports, 2 Power Supplies (AC),x86 Dual Core, Standard Depth, P2C Airflow, Rail Kit
P/N: MQM8700-HS2F SKU: 10201
US$22,999.00
Switch Types:
- MQM8700-HS2F 40x HDR,40x QSFP56,P2C,Managed
- MQM8700-HS2R 40x HDR,40x QSFP56,C2P,Managed
- MQM8790-HS2F 40x HDR,40x QSFP56,P2C,Unmanaged
- MQM8790-HS2R 40x HDR,40x QSFP56,C2P,Unmanaged
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
- 40×200G HDR Ports in 1U
- Break Out to 80×100G HDR Links
- 16Tb/s Non-Blocking Fabric Bandwidth
- Sub-130ns Port-to-Port Latency
- Onboard Subnet Manager for 2,048 Nodes
- Hot-Swappable Redundant Power and Fans
Specifications
| Part Number | MQM8700-HS2F | Switch ASIC | NVIDIA Quantum |
|---|---|---|---|
| Form Factor | 1U | Switching Capacity | 16Tb/s |
| Ports | 40 × QSFP56 | Port Speed | 200Gb/s HDR |
| Management | Managed | Airflow | Power-to-Connector (P2C) |
| Cooling Mechanism | Air Cooled | Input Voltage | 100-127VAC, 50/60Hz, 4.5A per PSU; 200-240VAC, 50/60Hz, 4.4A per PSU |
| Dimensions (H × W × D) | 43.6 × 433.2 × 590.6 mm | Warranty | 1-Year Limited Warranty |
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FAQ
Ask a QuestionFind answers to common questions about our products.
How many 200G servers can one QM8700 connect directly?
In a single-switch design where all ports are used for server-facing connections, QM8700 can directly connect up to 40 single-port 200G servers. The available server count is reduced when ports are reserved for spine uplinks, storage, or other fabric links.
Our servers only use 100G HDR100 adapters. Is QM8700 still a suitable option?
Yes. Each QSFP56 port can be split into two independent HDR100 ports, allowing the switch to provide up to 80 logical 100G ports. This is useful for 100G server access today while preserving a migration path toward 200G connectivity.
Will splitting a 200G port into 2×100G affect the rest of the switch?
It does not create port blocking, but the switch must be configured for Split-Ready operation before breakout ports can be used. Splitting clears the existing configuration on that interface, so port planning should be completed before deployment or during a scheduled maintenance window.
What should I consider when installing a P2C airflow switch in a rack?
P2C means Power-to-Connector airflow: air enters from the power-supply side and exits from the port side. MQM8700-HS2F should be installed with the same airflow direction as the other equipment in the rack, with adequate exhaust clearance at the connector side. Mixing opposite airflow directions in one rack can cause hot-air recirculation and reduced cooling efficiency.
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