UfiSpace S9311-64D 64x400G QSFP-DD Ports Spine Switch

MFR# S9311-64D
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Brand: UfiSpace
Product Type: Open Switches
Main Port Count: 64 Ports
Main Port Type: QSFP-DD
Main Port Speed: 400GbE
Product Brief: S9311-64D

UfiSpace S9311-64D 64x400G QSFP-DD Ports Spine Switch, 2RU, 64x400GbE QSFP-DD ports, Broadcom Tomahawk 4 BCM56990 ASIC, Intel Ice Lake D, 4 Cores, 2.4GHz Processor, Dual AC or DC PSU, Supported NOS SONiC

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Overview

The UfiSpace S9311-64D is a 2RU 400G data center spine switch based on the Broadcom Tomahawk 4 ASIC with 64 QSFP-DD service interfaces for Ethernet fabrics.

Use Cases

  • Data center Ethernet connectivity
  • Cloud and AI infrastructure

Ports & Switching

  • 64x400GbE QSFP-DD ports
  • 64x40G/100G/200G/400G interfaces
  • Two additional 1G/10G SFP+ interfaces

Hardware & Platform

  • Broadcom Tomahawk 4 BCM56990 silicon
  • Intel Ice Lake D, 4 Cores, 2.4GHz
  • 32GB DDR4 system memory
  • 128GB SSD
  • 2RU rack form factor
  • 17.17 x 22.83 x 3.45 in (W x D x H)
  • 40.83 lbs (without FRU)

Compatible Software (NOS)

  • Compatible with SONiC
  • Software licensing and the supported feature set depend on the selected NOS and configuration.

Cooling & Power

  • Dual AC or DC PSU
  • 3+1 hot-swappable fan units

Efficiency & Reliability

  • 25.6Tbps switching capacity
  • AST2620 BMC

Ordering Information

  • S9311-64D platform. Confirm the quoted configuration.
Specifications
Product Type

Open Switches
Main Port Count

64 Ports
Main Port Type

QSFP-DD
Main Port Speed

400GbE
ASIC

Broadcom Tomahawk 4 BCM56990
Processor

Intel Ice Lake D, 4 Cores, 2.4GHz
Flash Memory

128GB SSD
Power Supply

Dual PSU
Supported NOS

SONiC
Dimensions

17.17 x 22.83 x 3.45 in
Weight

40.83 lbs
Frequently Asked Questions

Question:

Which network operating systems can I run on the S9311-64D?
Hardware Nation
12-Oct-2026

Answer:

Community SONiC and Enterprise SONiC Distribution by Broadcom are supported options. Use the image qualified for this exact platform and the required features; commercial licensing and support are separate from hardware compatibility. Other NOS options may be available as the ecosystem evolves.

Question:

What ports does the S9311-64D have?
Hardware Nation
12-Oct-2026

Answer:

64x400G QSFP-DD ports in a 2RU chassis.

Question:

What switch chip does it use?
Hardware Nation
12-Oct-2026

Answer:

Broadcom Tomahawk 4, BCM56990, with 25.6 Tbps switching capacity.

Question:

What is it designed for?
Hardware Nation
12-Oct-2026

Answer:

High-density aggregation in hyperscale data centers and AI/ML fabrics, connecting large groups of compute and storage systems.

Question:

Does it have redundant power and cooling?
Hardware Nation
12-Oct-2026

Answer:

Yes. Two hot-swappable power supplies provide 1+1 redundancy, and four hot-swappable fan modules provide 3+1 redundancy. AC and DC power options are available.

Question:

What CPU, memory and storage does it have?
Hardware Nation
12-Oct-2026

Answer:

A quad-core Intel Ice Lake-D processor at 2.4 GHz, 32 GB DDR4 memory and 128 GB SSD storage.

Question:

How is it different from the S9321-64E?
Hardware Nation
12-Oct-2026

Answer:

The S9311-64D has 64x400G QSFP-DD ports and Tomahawk 4. The S9321-64E has 64x800G QSFP-DD ports and Tomahawk 5; both use a 2RU chassis.
Warranty
All new products are covered by the manufacturer warranty. To claim warranty, you may contact the manufacturer directly or contact your account executive at Hardware Nation. We can help facilitate the warranty processes between the customer and manufacturer.
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