Welcome to the gold standard in high-performance messaging

Purpose-built, high-speed FPGAs and network processors eliminate the need for an OS and provide massive throughput and very low, predictable latency. Our customers love the unparalleled performance and capacity.

Capabilities you know you need (and then some)

Built for 99.999% service availability

Built-in redundancy using a chassis-based system with discrete data and control planes, field-serviceable power supplies and internal solid-state disks, integrated replication of messages, state, queues, and configuration and fast failover without message loss. Enterprises with mission-critical applications choose the Appliance so they can sleep at night.

It’s turnkey

The PubSub+ Event Broker Appliance is a turnkey rack-mounted device which is easy to deploy, manage and upgrade over time. It’s available in two models – 3530 and 3560. The 3530 appliance is the perfect fit for mid-sized businesses while the 3560 model is built to handle any big data, cloud and IoT need.

PubSub+ 3530

Control Plane: Standard

Expansion Cards
Slots: 6
Field Serviceable: Yes
Control Plane: Standard

I/O Cards: 4x1GE
Enterprise/JMS: 6,000
IoT/Web/REST: 6,000

Non-Persistent (Direct) Messaging
Point to Point: 2.9M msgs/sec
with Fan-out: 3.5M msgs/sec
Throughput: 4Gbps
Latency: 28 microseconds; 1M msgs/sec

Persistent (Guaranteed) Messaging
Point to Point: 75,000 msgs/sec
With Fan-out: 430,000 msgs/sec
Throughput: 1 Gbps
Queue: 240M, 800GB
Latency: 75 microseconds; 30k msgs/sec

PubSub+ 3560

Control Plane: High Performance

Expansion Cards
Slots: 8
Field Serviceable: Yes
Control Plane: High Performance

I/O Cards: 4x10GE, 8x10GE
Enterprise/JMS: 30,000
IoT/Web/REST: 200,000

Non-Persistent (Direct) Messaging
Point to Point: 12M msgs/sec
with Fan-out: 30M msgs/sec
Throughput: 80 Gbps
Latency: 20 microseconds

Persistent (Guaranteed) Messaging
Point to Point: 620,000 msgs/sec
With Fan-out: 5,500,000 msgs/sec
Throughput: 9.5 Gbps
Queue: 10B, 6TB
Latency: 75 microseconds; 140k msgs/sec

Hardware and Networking Specifications

Safety Approvals

  • IEC 62368-1:2018
  • CSA C22.2 No. 62368-1:19

Export Classification

  • Regulatory Model 3200
  • HS Code 8471.80


  • Ethernet 1000BaseT (3530 only)
  • Ethernet 10G Base SR (3560 only)
  • Fibre Channel 16/8/4Gbps auto-negotiation*
  • RS232

*Optional 8Gbps kit is available separately for 3530 and 3560 equipped with 4Gbps Fibre Channel Interfaces.

Event Mesh

EMC Approvals

  • FCC Part 15 Class A
  • EN 61000-3-2/3
  • CISPR 32:2015/AMD1:2019
  • EN 55032:2015/A11:2020
  • EN 55035:2017/A11:2020


  • TCP/IP
  • Fibre Channel
  • Ethernet IEEE Std 802.2ab
  • Ethernet IEEE Std 802.3ae
  • Ethernet Link Aggregation IEEE Std 802.3ad

And don’t forget to proactively monitor
your event brokers

PubSub+ Monitor keeps your finger on the pulse of mission-critical applications so that you can detect issues before they impact your end-users.

Why PubSub+ Monitor

PubSub+ Distributed Tracing

Observability for your event brokers

Improved troubleshooting and debugging along with ease of integration for application performance monitoring and observability back ends. PubSub+ Distributed Tracing brings telemetry for events into your organization.

Why PubSub+ Distributed Tracing

Submit your review | Gartner Peer Insights

Submit your own Gartner Peer Insights review of
Solace PubSub+
Submit Your Review Now

“It easily went beyond our expectation.”

Over at Gartner Peer Insights, a capital markets VP said our appliances went “beyond what existing messaging products could handle.” Six years later and this is still the case.

Download the Appliance Datasheet