Switch Series & Supported Models
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NVIDIA/Mellanox MQM8700-HS2R Mellanox Quantum™ HDR InfiniBand Switch, 40 QSFP56 Ports, 2 Power Supplies (AC),x86 Dual Core, Standard Depth, C2P Airflow, Rail Kit
P/N: MQM8700-HS2R SKU: 10202
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
- 16Tb/s Non-Blocking Fabric Bandwidth
- Sub-130ns Port-to-Port Latency
- Onboard Subnet Manager for 2,048 Nodes
- Dual-Core x86 Control Plane
- Reverse C2P Airflow for Rack Integration
Specifications
| Part Number | MQM8700-HS2R | Switch ASIC | NVIDIA Quantum |
|---|---|---|---|
| Form Factor | 1U | Switching Capacity | 16Tb/s |
| Ports | 40 × QSFP56 | Port Speed | 200Gb/s HDR |
| Management | Managed | Airflow | Connector-to-Power (C2P) |
| 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.
Since QM8700 is a managed switch, do I still need OpenSM?
Not necessarily. QM8700 includes an onboard Subnet Manager for fabric discovery, initialization, and routing in small or mid-sized InfiniBand environments. Host-based OpenSM or NVIDIA UFM can also be used when centralized management or larger-scale fabric operations are required.
Can I run the switch’s embedded SM together with OpenSM on a server?
A primary and backup management design can be used, but the fabric should not have multiple competing active Subnet Managers. Define one primary SM and keep only the required standby instance to avoid inconsistent routing, LID assignment, or fabric initialization behavior.
Can QM8700 connect to legacy 100G EDR InfiniBand equipment?
It can be used in mixed-generation environments when the adapter model, negotiated speed, cable or transceiver type, and firmware versions are compatible. For EDR 100G links, interoperability testing is recommended, especially when using third-party connectivity products or longer optical links.
How is traffic isolation handled in InfiniBand if there are no Ethernet VLANs?
InfiniBand uses P_Keys, or Partition Keys, rather than Ethernet VLANs. Servers, storage nodes, or application groups can be assigned to separate partitions so that communication is limited to members of the same P_Key. The default P_Key is commonly used for baseline management and fabric connectivity, so it should not be changed without evaluating the management impact.
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