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ER-4
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UBNT Gigabit Ethernet Enterprise Router,PoE, Hardware accele...
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Name:
ER-4
- Description:
- UBNT Gigabit Ethernet Enterprise Router,PoE, Hardware acceleration
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Ubiquiti
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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ER-4 Overview
ER-4 is a high-performance modular enterprise router designed for scalable network architectures. It features a modular design with integrated services such as voice, video, and WAN optimization, powered by a redundant AC power source that ensures continuous operation and robust performance.
Built with dual WAN interfaces and eight LAN ports, ER-4 supports advanced VPN features including IPSec, SSL VPN, GRE, DMVPN, and FlexVPN while delivering up to 5 Gbps throughput. Its support for key routing protocols, IPv6 compatibility, stacking capability, and built-in security features make it an ideal solution for enterprise environments requiring high availability and modular expandability.
ER-4 price is is available on request. Get immediate quote.
Request bulk order quote for ER-4 for additional pricing. Browse the full Ubiquiti Enterprise Routers series or explore all Ubiquiti products.
ER-4 Specifications
- Product Type
- Enterprise Router
- Brand
- Ubiquiti
- VPN Support
- IPSec / SSL VPN / GRE / DMVPN / FlexVPN
- Power Source
- AC Power Supply / Redundant
- Routing Protocols
- OSPF / BGP / EIGRP / MPLS / Static Routing
- Broadband
- Fiber Optic / DSL
- Architecture
- Modular
- WAN Configuration
- Dual WAN
- WAN Ports
- 2 WAN
- LAN Ports
- 8 LAN Ports
- Ethernet Technology
- 10/100/1000
- Connectivity Type
- Wired
- Network Protocols
- IPv4, IPv6
- Remote Management
- SSH, Telnet, SNMP
- Compliance Standards
- IEEE 802.3, IEEE 802.1Q, NIST SP 800-53
- Wireless Support
- No
- Speed/Capacity
- Gigabit
- Firewall Features
- Yes
- Features
- VPN, IPv6 Compatible, Firewall, MPLS, Syslog
- Use Case
- Enterprise
- Management
- Managed
- Form Factor
- Rack-mount
- Integrated Services
- Voice, Video, WAN Optimization
- High Availability Support
- Supported
- Safety
- UL Listed, CE Certified
- EMC
- FCC Part 15, CE Marked
- Telecom
- TIA/EIA-568
- Throughput Capacity
- 5 Gbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall, Intrusion Prevention, Malware Protection
- Expansion Slots
- NIM, SFP+
- Modular Slots Available
- 3+ Slots
- Stacking Capability
- Yes
- 5G Support
- No
- Memory
- 4 GB
- Flash Memory
- 512 MB
- Interface Ports
- RJ-45, SFP
- Power
- 350 Watt
- Device Type
- Router
- Product Name
- ER-4 Enterprise Router
- Height
- 2.2 inches
- Width
- 17.5 inches
- Depth
- 15 inches
- Weight
- 15 lbs
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Product Comparison Table 
| ER-4 |  ER-12 |  UDM |  ER-6P |  UBNT USG | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Integrated | Modular | Fixed |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall |
| Compliance Standards | IEEE 802.3, IEEE 802.1Q, NIST SP 800-53 | FCC / CE / RoHS | FCC, CE | FCC, CE, RoHS | CE, FCC |
| Connectivity Type | Wired | Wired / Ethernet | Wired / Wireless | Wired | Wired |
| Depth | 15 inches | 15 inches | 9.29 inches | 15 inches | 5.9 inches |
| Device Type | Router | Router | Router | Router | Router |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Features | VPN, IPv6 Compatible, Firewall, MPLS, Syslog | VPN / IPv6 Compatible / Firewall / MPLS | Mesh, VPN, IPv6 Compatible, Firewall | VPN, Firewall, IPv6 Compatible, Redundancy | VPN, Firewall, IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 512 MB | 512 MB | 16 GB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Desktop | Rack-mount | Desktop |
| Height | 2.2 inches | 1.75 inches | 4.33 inches | 2.0 inches | 1.0 inches |
| High Availability Support | Supported | Supported | Not Supported | Supported | Not Supported |
| Interface Ports | RJ-45, SFP | RJ-45 / SFP | RJ-45 | RJ-45, SFP+ | RJ-45 |
| LAN Ports | 8 LAN Ports | 8 LAN Ports | 4 LAN Ports | 4 LAN Ports | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 4 GB | 2 GB | 2 GB | 4 GB | 512 MB |
| Network Protocols | IPv4, IPv6 | IPv4 / IPv6 | TCP/IP, ICMP, UDP, SNMP | IPv4, IPv6 | IPv4, IPv6 |
| Power | 350 Watt | 350W | 29.5W | 60 Watt | 7 W |
| Power Source | AC Power Supply / Redundant | AC Power Supply with Redundant Option | AC Power Supply, Redundant | AC Power Supply / Redundant | AC Power Supply |
| Product Name | ER-4 Enterprise Router | ER-12 Enterprise Router | UniFi Dream Machine | ER-6P Enterprise Router | UniFi Security Gateway |
| Product Type | Enterprise Router | Enterprise Router | Integrated Gateway | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH, Telnet, SNMP | SSH / Telnet / SNMP / HTTPS | UniFi Controller, SSH | SSH, HTTPS, SNMP | SSH, HTTPS, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / MPLS / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | Static Routing |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | Yes | Yes | No | Yes | No |
| Throughput Capacity | 5 Gbps | 1 Gbps | 3.5 Gbps | 2 Gbps | 1 Gbps |
| Use Case | Enterprise | Enterprise | Small Business / Home Office | Enterprise | Small Business |
| VPN Support | IPSec / SSL VPN / GRE / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN | IPSec | IPSec / SSL VPN | IPSec / L2TP / PPTP |
| WAN Configuration | Dual WAN | Dual WAN | WAN | Dual WAN | WAN |
| WAN Ports | 2 WAN | 2 WAN | 1 WAN | 2 WAN | 1 WAN |
| Weight | 15 lbs | 25 lbs | 4.85 lbs | 8 lbs | 1.1 lbs |
| Width | 17.5 inches | 17.5 inches | 8.27 inches | 17 inches | 7.87 inches |
| Wireless Support | No | No | Yes | No | No |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
O
Oliver Camden
5
Powerful router with hardware acceleration. Handles heavy traffic smoothly.
S
Saira Mahmood
5
Consistent routing performance and reliable uptime.
M
Mikko Lahtinen
5
Good choice for demanding edge routing. Stable and fast.
Z
Zeeshan Ali
5
Performs well under load. Configuration is flexible.
N
Natalie Brooks
5
Enterprise capable router in a compact form.
Questions & Answers
What is the UBNT ER-4 Gigabit Ethernet Enterprise Router?
The ER-4 is a high-performance enterprise router featuring gigabit Ethernet, PoE pass-through and hardware-accelerated packet processing for reliable network delivery.
What is the maximum routing throughput of the ER-4?
The ER-4 delivers up to 3 Gbps of routing throughput with hardware-accelerated NAT, firewall and DPI offload for sustained performance under load.
How many Ethernet ports does the ER-4 provide?
The ER-4 offers three Gigabit RJ-45 ports and one Gigabit SFP port for flexible copper or fiber connectivity.
Does the ER-4 support PoE and what is the power budget?
Yes, the ER-4 supports 24 V passive PoE output on two Ethernet ports with a combined power budget of up to 24 W to power downstream devices.
What hardware acceleration features are included in the ER-4?
The ER-4 leverages a dedicated hardware acceleration engine to offload NAT, firewall and deep packet inspection tasks for low-latency performance.
Can the ER-4 handle advanced VLAN and QoS configurations?
Yes, the ER-4 supports 802.1Q VLAN tagging, DSCP traffic classification and stateful QoS policies to prioritize critical applications.
Which VPN protocols does the ER-4 support and what is the performance?
The ER-4 supports IPsec, OpenVPN and L2TP VPN protocols with hardware acceleration delivering up to 1.5 Gbps of encrypted throughput.
How is the ER-4 configured and managed?
You can configure the ER-4 via the intuitive EdgeOS web interface, CLI or UISP (formerly UNMS) for centralized control and one-click provisioning.
What security features are built into the ER-4?
The ER-4 includes a stateful firewall, intrusion detection signatures, deep packet inspection and user-defined traffic policies to secure your network.
What management interfaces does the ER-4 provide?
The ER-4 offers a web-based GUI, full-featured CLI, SNMP v2c/v3 and RESTful API integration for flexible network management.
Is the ER-4 suitable for rack mounting?
The ER-4 ships in a compact desktop form factor with an optional rack-mount kit available for 1U installations.
What is the typical power consumption of the ER-4?
The ER-4 consumes approximately 8 W during normal operation and up to 32 W when supplying PoE across both ports.
Which Ubiquiti products are compatible with the ER-4?
The ER-4 integrates seamlessly with Ubiquiti UniFi and UISP ecosystems, including switches, access points and network management software.
What are common use cases for the ER-4 router?
The ER-4 is ideal for small to medium-sized enterprises, branch offices, PoE-powered access deployments and multi-WAN failover scenarios.
How do I update the firmware on the ER-4?
Firmware on the ER-4 can be updated via the EdgeOS web UI or UISP Controller with one-click installation and automatic rollback support.
What warranty and support options are available for the ER-4?
The ER-4 includes a one-year limited hardware warranty, with optional extended support plans and access to Ubiquiti’s online knowledge base.