logo
Solutions
News
About Us
Contact Us
FREE SHIPPING on Orders Over US$99
Free Quotation

English English

By clicking the "Submit", you agree that your information is collected and used for the purpose of responding to your inquiry in accordance with the Privacy Policy and Terms of Use
Submit
NVIDIA MQM8790-HS2R Mellanox Quantum™ HDR InfiniBand Switch, 40 QSFP56 Ports, 2 Power Supplies (AC), Unmanaged, Standard Depth, C2P Airflow, Rail Kit
NVIDIA MQM8790-HS2R Mellanox Quantum™ HDR InfiniBand Switch, 40 QSFP56 Ports, 2 Power Supplies (AC), Unmanaged, Standard Depth, C2P Airflow, Rail Kit
NVIDIA MQM8790-HS2R Mellanox Quantum™ HDR InfiniBand Switch, 40 QSFP56 Ports, 2 Power Supplies (AC), Unmanaged, Standard Depth, C2P Airflow, Rail Kit
P/N: MQM8790-HS2R
US$3899.00
6
Solds
3
Reviews
2
Questions
safeguard
4-Year Warranty
30-Day Returns
30-Day Exchange
（10 In Stock）

Product Highlights

40 HDR 200Gb/s Ports Split into 80×100Gb/s Via Certified Breakout Cables
16Tb/s Non-blocking Switching Fabric with sub-130ns Ultra-low Latency
C2P Airflow Design with Hot-swappable Dual Power Modules
Backward Compatibility with EDR/HDR100 Via Adaptive Speed Negotiation
Unmanaged Architecture for Plug-And-Play Deployment in Automated Clusters
Specifications
Q&A
Reviews
Resources
NVIDIA MQM8790-HS2R Mellanox Quantum™ HDR InfiniBand Switch, 40 QSFP56 Ports, 2 Power Supplies (AC), Unmanaged, Standard Depth, C2P Airflow, Rail Kit
40-port non-blocking managed HDR 200Gb/s InfiniBand smart switch, Mellanox provides the world’s smartest switch, enabling in-network computing through the Co-Design Scalable Hierarchical Aggregation and Reduction Protocol (SHARP)™ technology. QM8790 has the highest fabric performance available in the market with up to 16Tb/s of non-blocking bandwidth with sub-130ns port-to-port latency.
Specifications
Manufacturer
Mellanox
Ports
40×QSFP56
Switching Capacity
16Tb/s
Fan Number
5+1 Hot-swappable
Input Voltage
100-127VAC 50/60Hz 4.5A, 200-240VAC 50/60Hz 2.9A
Software
MLNX-OS
Data Rate
40/56/100/200 Gb/s
Latency
130ns
Management
Unsupport
Airflow
Front-to-Back (C2P)
AC Power Supplies
1+1 Hot-swappable
Operating Temperature
0 to 40°C (32 to 104°F)
Storage Temperature
-40 to 70°C (-40 to 158°F)
Dimensions (H×W×D)
43.6×433.2×590.6mm
Rack Units
1 RU
Certification
Product
Product
Product
Product
Product
Product
Product
Product
Product
Product
Questions & Answers
edit icon Ask a question
All (2) Management (1)Product (1)
Q:

What is the maximum bandwidth supported by NVIDIA InfiniBand HDR switches?

by r***m on 2025-06-15 18:00:53

A:

NVIDIA HDR InfiniBand switches support up to 200Gb/s per port, delivering extremely high throughput for data-intensive workloads.

by AICPLIGHT on 2025-06-16 15:29:42

like icon Helpful 0
comment icon Comment 0
Q:

Are these switches suitable for large-scale AI and HPC clusters?

by Z***m on 2025-04-11 15:28:32

A:

Yes. NVIDIA InfiniBand switches are designed for high-performance computing and AI workloads, offering low latency and high bandwidth essential for multi-GPU or multi-node training.

by AICPLIGHT on 2025-04-11 17:55:07

like icon Helpful 0
comment icon Comment 0
Customer Reviews
edit icon Write a review
All (3) Performance (1)Compatibility (1)Scalability (1)
G
G***m
2025-06-30 06:05:29
Confirmed Purchase
5.0

We were able to seamlessly scale our InfiniBand fabric using NVIDIA’s modular switch design. Adding more compute nodes was straightforward and non-disruptive.

link icon Helpful 0
comment icon Comment 0
i
i***m
2025-05-21 21:41:06
Confirmed Purchase
5.0

Interoperates flawlessly with our NVIDIA NICs and DGX systems. It was truly plug-and-play with minimal configuration needed.

link icon Helpful 0
comment icon Comment 0
O
O***m
2025-04-13 03:08:15
Confirmed Purchase
5.0

The low-latency and high-throughput performance of the NVIDIA InfiniBand switches exceeded expectations. We achieved full HDR bandwidth with consistent sub-microsecond latency.

link icon Helpful 0
comment icon Comment 0
Explore Our Extended Product Line
NVIDIA Mellanox UFM Telemetry for NVIDIA® InfiniBand Switches
NVIDIA Mellanox UFM Telemetry for NVIDIA® InfiniBand Switches
US$0.00
NVIDIA MCX653105A-HDAT Mellanox ConnectX®-6 VPI Adapter Card, HDR IB (200Gb/s) and 200GbE, Single-port QSFP56, PCIe3.0/4.0 x16, Tall Bracket
NVIDIA MCX653105A-HDAT Mellanox ConnectX®-6 VPI Adapter Card, HDR IB (200Gb/s) and 200GbE, Single-port QSFP56, PCIe3.0/4.0 x16, Tall Bracket
US$0.00
NVIDIA MSN3420-CB2F Mellanox Spectrum-2 Based 25GbE/100GbE 1U Open Ethernet Switch with Onyx, 48 SFP28 Ports and 12 QSFP28 Ports, 2 Power Supplies (AC), Standard Depth, P2C Airflow, Rail Kit
NVIDIA MSN3420-CB2F Mellanox Spectrum-2 Based 25GbE/100GbE 1U Open Ethernet Switch with Onyx, 48 SFP28 Ports and 12 QSFP28 Ports, 2 Power Supplies (AC), Standard Depth, P2C Airflow, Rail Kit
US$0.00
NVIDIA Mellanox UFM Enterprise Platform for NVIDIA® InfiniBand Switches
NVIDIA Mellanox UFM Enterprise Platform for NVIDIA® InfiniBand Switches
US$0.00
NVIDIA MSN4700-WS2F Mellanox Spectrum-3 Based 400GbE 1U Open Ethernet Switch with Onyx, 32 QSFPDD Ports, 2 Power Supplies (AC), x86 CPU, Standard Depth, P2C Airflow, Rail Kit
NVIDIA MSN4700-WS2F Mellanox Spectrum-3 Based 400GbE 1U Open Ethernet Switch with Onyx, 32 QSFPDD Ports, 2 Power Supplies (AC), x86 CPU, Standard Depth, P2C Airflow, Rail Kit
US$0.00
NVIDIA MCX715105AS-WEAT Mellanox ConnectX®-7 InfiniBand/VPI Adapter Card 400GbE/NDR, Single-port QSFP112, PCIe 5.0 x 16, Secure Boot, Tall & Short Bracket
NVIDIA MCX715105AS-WEAT Mellanox ConnectX®-7 InfiniBand/VPI Adapter Card 400GbE/NDR, Single-port QSFP112, PCIe 5.0 x 16, Secure Boot, Tall & Short Bracket
US$0.00
NVIDIA MCX75310AAS-NEAT Mellanox ConnectX®-7 InfiniBand/VPI Adapter Card 400GbE/NDR, Single-port OSFP, PCIe 5.0 x 16, Secure Boot, Tall & Short Bracket
NVIDIA MCX75310AAS-NEAT Mellanox ConnectX®-7 InfiniBand/VPI Adapter Card 400GbE/NDR, Single-port OSFP, PCIe 5.0 x 16, Secure Boot, Tall & Short Bracket
US$0.00
NVIDIA MQM9700-NS2F Mellanox Quantum™-2 NDR InfiniBand Switch, 64-Ports NDR, 32 OSFP Ports, Managed, Power-to-connector (P2C) Airflow (forward)
NVIDIA MQM9700-NS2F Mellanox Quantum™-2 NDR InfiniBand Switch, 64-Ports NDR, 32 OSFP Ports, Managed, Power-to-connector (P2C) Airflow (forward)
US$27999.00
NVIDIA MQM8700-HS2F Mellanox Quantum™ HDR InfiniBand Switch, 40 QSFP56 Ports, 2 Power Supplies (AC), x86 Dual Core, Standard Depth, P2C Airflow, Rail Kit
NVIDIA MQM8700-HS2F Mellanox Quantum™ HDR InfiniBand Switch, 40 QSFP56 Ports, 2 Power Supplies (AC), x86 Dual Core, Standard Depth, P2C Airflow, Rail Kit
US$6999.00
NVIDIA MCX556A-ECAT Mellanox ConnectX®-5 VPI Adapter Card, EDR IB (100Gb/s) and 100GbE, Dual-port QSFP28, PCIe 3.0 x16, Tall Bracket
NVIDIA MCX556A-ECAT Mellanox ConnectX®-5 VPI Adapter Card, EDR IB (100Gb/s) and 100GbE, Dual-port QSFP28, PCIe 3.0 x16, Tall Bracket
US$0.00