---
title: "InfiniBand 36P HDR Fabric Switch - NVIDIA SB7800/SB7890"
slug: "infiniband-36p-hdr-fabric-switch-nvidia-sb7800sb7890"
description: "InfiniBond SB7080/90, high-speed 1U0G Fabric switch, ideal for data-center connectivity and performance optimization."
updated: 2026-10-28T02:16:45Z
published: 2026-10-28T02:16:45Z
canonical: "docs.vastdata.com/infiniband-36p-hdr-fabric-switch-nvidia-sb7800sb7890"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vastdata.com/llms.txt
> Use this file to discover all available pages before exploring further.

# InfiniBand 36P HDR Fabric Switch - NVIDIA SB7800/SB7890

## **VAST SKU**: EDR-NVMEF-1X36

## **NVIDIA OPN:** SB7800 - MSB7800-ES2F / SB7890 - MSB7890-ES2F

## Configurations

---

| Switch | Switch Speed | Ports | Connections |
| --- | --- | --- | --- |
| SB7800 | EDR 100Gb/s | 36 | QSFP28 |
| SB7890 | EDR 200Gb/s | 36 | QSFP28 |

## Specification

---

| ### Switch |
| --- |
| **Switch:** | - SB7800 (Managed) /SB7890 (Unmanaged) |
| **Supported Speeds:** | - 40, 56, 100 Gb/s per port |
| **Throughput:** | - 7.2 Tb/s |
| **CPU:** | - ICPU (in SB7700/SB7800/SB7780 only): Intel Celeron Dual Core 1047UE (x86) |
| **PCIe:** | - 4x Gen 2.0 |
| **Switch:** | - NVIDIA Spectrum® |
| **Memory:** | - 4GB RAM DDR316GB SSD |
| ### Environmental Data |
| **Dimensions:** | - 1.7” (H) x 16.85” (W) x27” (D), 43.6mm (H) x 428mm (W) x 685.8mm (D) |
| **Weight:** | - 8.63 Kg |
| **Mounting:** | - 19” Rack mount |
| **Airflow** | - P2C |
| **Input Voltage:** | - 100-127VAC 50/60Hz 4.5A; 200-240 50/60Hz 2.9A |
| **Power Consumption:** | - **SB7800** Typical power with passive cables (ATIS): 136.08W Max power with passive cables: 203.5W Max power with optical cables (assuming 3.5W per port): 374W - **SB7890** Typical power with passive cables (ATIS): 122.32W Max power with passive cables: 162W Max power with optical cables (assuming 3.5W per port): 332W |
| **Temperature:** | - Operational: 0° to 45°C - Non-Operational: -40° to 70°C |
| **Humidity:** | - Operational: 10% - 85% non-condensing - Non-Operational: 10% - 90% non-condensing |
| **Altitude:** | - 3050m |
| **Noise Level** | - 70.3 dB(A) |
| ### Certifications |
| **Safety /EMC** | - CS - cTUVus - CE - CU - FCC - VCCI - ICES - RCM |
| **RoHS:** | - RoHS compliant |

## Manufacturer Documentation

---

NVIDIA Spec Sheet: [https://docs.nvidia.com/1u-edr-sb7xx0-100gb-s-infiniband-switch-systems-and-ib-router-hardware-user-manual.pdf](https://docs.nvidia.com/1u-edr-sb7xx0-100gb-s-infiniband-switch-systems-and-ib-router-hardware-user-manual.pdf)

Mellanox Spec Sheet:

## Product Images

---

Front: SB7800

![The image depicts a rack-mounted server with multiple slots designed to accommodate various hardware components, including network interface cards and other add-ons, for high-performance computing or data center applications.](https://cdn.us.document360.io/89b91113-5dc6-49db-86ec-57b16dc8ce56/Images/Documentation/000bc06d-ffc6-434d-ad81-a5f6355954fc.png?sv=2026-02-06&spr=https&st=2026-11-08T10%3A30%3A30Z&se=2026-11-08T11%3A30%3A30Z&sr=c&sp=r&sig=Jmxj9JTRnynJ%2BbOK0RH%2BKglCzTu%2BLJ%2ByjYdwRNjMQso%3D)

Rear: SB7800

![The image depicts the interior layout of a dual-width server rack, showcasing components such as fans and network ports designed for efficient cooling and data connectivity within a high-density server setup.](https://cdn.us.document360.io/89b91113-5dc6-49db-86ec-57b16dc8ce56/Images/Documentation/19a8c37f-0e6c-4b49-9ce3-3f094ca12daa.png?sv=2026-02-06&spr=https&st=2026-11-08T10%3A30%3A30Z&se=2026-11-08T11%3A30%3A30Z&sr=c&sp=r&sig=Jmxj9JTRnynJ%2BbOK0RH%2BKglCzTu%2BLJ%2ByjYdwRNjMQso%3D)

Rear: SB7890

![The image depicts the rear panel of an enterprise-grade server rack, showcasing multiple drive bays enclosures equipped with cooling fans and USB ports for peripheral connections.](https://cdn.us.document360.io/89b91113-5dc6-49db-86ec-57b16dc8ce56/Images/Documentation/7327e0ac-ac95-4aaa-8b09-5960ac395f18.png?sv=2026-02-06&spr=https&st=2026-11-08T10%3A30%3A30Z&se=2026-11-08T11%3A30%3A30Z&sr=c&sp=r&sig=Jmxj9JTRnynJ%2BbOK0RH%2BKglCzTu%2BLJ%2ByjYdwRNjMQso%3D)