ZPE Systems · Branch and edge
Mini SR
Pocket sized out-of-band gateway.
- 4x USB
- 2x 1GbE
- Micro SD
- Cellular

Overview
The Nodegrid Mini SR is a fanless, pocket-sized out-of-band gateway for IoT, OT and medical device networks. It connects directly to devices through its Gigabit ports, isolating them from the rest of the network, and is managed through ZPE Cloud. It can run VMs and Docker, Kubernetes or LXC containers at the edge.
Built for
- IoT, OT and medical device (IoMD) connectivity
- Manufacturing and SCADA environments
- Commercial buildings and small remote sites
- Secure tunnels to SASE/SSE services
Key features
Compact fanless design
Roughly the size of a smartphone and mountable on DIN rail or VESA brackets.
Device isolation
Connects devices directly through its Gigabit ports to separate them from the wider network.
Edge workloads
Runs VMs and Docker, Kubernetes and LXC containers, such as third-party firewalls.
Cloud managed
Uses ZPE Cloud for Zero Touch Provisioning and IPsec tunnels to firewalls or SASE services.
Rugged build
Meets MIL-STD-810G shock and vibration requirements, with an extended temperature option.
Specifications
- CPU
- Intel x86 64-bit dual-core
- Memory
- 4GB DDR3
- Storage
- 16GB self-encrypted disk
- Ethernet
- 2x Gigabit RJ45
- USB
- 2x USB 3.0, 2x USB 2.0
- Other I/O
- 1x HDMI, 1x micro SD
- Cellular
- Optional 4G LTE (CAT12)
- Wi-Fi
- Optional Wi-Fi
- Power
- 7-20 VDC, 12V adapter included
- Power consumption
- 5 to 15 W typical
- Dimensions
- 112 x 84 x 34 mm
- Weight
- 0.35 kg (0.77 lb)
- Mounting
- DIN rail and VESA wall mount
- Operating temperature
- 0 to 45 °C (extended: -20 to 70 °C)
- Operating system
- Nodegrid OS (x86-64)
Models and options
- ZPE-MSR-24-BASE
- ZPE-MSR-24-W5 (Wi-Fi 5)
- ZPE-MSR-24-4G (4G LTE)
- ZPE-MSR-24-4G-W5 (4G LTE and Wi-Fi 5)
- Extended temperature (-EXT) versions of each
Specifications as published by ZPE Systems. Configurations vary by model; we will confirm the exact build with your quote.
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Not sure which Nodegrid fits?
Tell us your rack count, sites and failover needs. We will size the platform and quote it.