United States
Name:
ER-4
- Description:
- UBNT Gigabit Ethernet Enterprise Router,PoE, Hardware acceleration
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- Ubiquiti
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3 Year Extended Warranty
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14-Day Money Back Guarantee
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Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
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.
What is the price of ER-4 ?
Pricing for ER-4 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for ER-4 .
Explore more options from Routers or explore other Ubiquiti products.
ER-4 Specifications
| Product Type | Enterprise Router |
| 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 |
| Wi-Fi Standard | N/A |
| 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 |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| 5G Support | No | No | No | No | No |
| Architecture | Integrated | Fixed | Modular | Modular | Modular |
| Broadband | N/A | N/A | Fiber Optic / DSL | Fiber Optic / DSL / LTE | Fiber Optic / DSL / LTE |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | FCC, CE | CE, FCC | IEEE 802.3, IEEE 802.1Q, NIST SP 800-53 | FCC, CE, RoHS | FCC / CE / RoHS |
| Connectivity Type | Wired / Wireless | Wired | Wired | Wired | Wired / Ethernet |
| Depth | 9.29 inches | 5.9 inches | 15 inches | 15 inches | 15 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | FCC Part 15, CE Marked | N/A | EN 55032 / FCC Part 15 |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | N/A | N/A | NIM, SFP+ | NIM, SFP+ | NIM / SFP+ |
| Features | Mesh, VPN, IPv6 Compatible, Firewall | VPN, Firewall, IPv6 Compatible | VPN, IPv6 Compatible, Firewall, MPLS, Syslog | VPN, Firewall, IPv6 Compatible, Redundancy | VPN / IPv6 Compatible / Firewall / MPLS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 16 GB | 256 MB | 512 MB | 256 MB | 512 MB |
| Form Factor | Desktop | Desktop | Rack-mount | Rack-mount | Rack-mount |
| Height | 4.33 inches | 1.0 inches | 2.2 inches | 2.0 inches | 1.75 inches |
| High Availability Support | Not Supported | Not Supported | Supported | Supported | Supported |
| Integrated Services | N/A | N/A | Voice, Video, WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45, SFP | RJ-45, SFP+ | RJ-45 / SFP |
| LAN Ports | 4 LAN Ports | 2 LAN Ports | 8 LAN Ports | 4 LAN Ports | 8 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 2 GB | 512 MB | 4 GB | 4 GB | 2 GB |
| Modular Slots Available | N/A | N/A | 3+ Slots | 3+ Slots | 2 Slots |
| Network Protocols | TCP/IP, ICMP, UDP, SNMP | IPv4, IPv6 | IPv4, IPv6 | IPv4, IPv6 | IPv4 / IPv6 |
| Power | 29.5W | 7 W | 350 Watt | 60 Watt | 350W |
| Power Source | AC Power Supply, Redundant | AC Power Supply | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply with Redundant Option |
| Product Name | UniFi Dream Machine | UniFi Security Gateway | ER-4 Enterprise Router | ER-6P Enterprise Router | ER-12 Enterprise Router |
| Product Type | Integrated Gateway | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | UniFi Controller, SSH | SSH, HTTPS, SNMP | SSH, Telnet, SNMP | SSH, HTTPS, SNMP | SSH / Telnet / SNMP / HTTPS |
| Routing Protocols | OSPF / RIP / Static Routing | Static Routing | OSPF / BGP / EIGRP / MPLS / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / Static Routing |
| Safety | N/A | N/A | UL Listed, CE Certified | N/A | IEC 60950 / UL61010 |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | No | No | Yes | Yes | Yes |
| Telecom | N/A | N/A | TIA/EIA-568 | N/A | TIA/EIA-568 |
| Throughput Capacity | 3.5 Gbps | 1 Gbps | 5 Gbps | 2 Gbps | 1 Gbps |
| Use Case | Small Business / Home Office | Small Business | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec | IPSec / L2TP / PPTP | IPSec / SSL VPN / GRE / DMVPN / FlexVPN | IPSec / SSL VPN | IPSec / SSL VPN / DMVPN |
| WAN Configuration | WAN | WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 1 WAN | 1 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 4.85 lbs | 1.1 lbs | 15 lbs | 8 lbs | 25 lbs |
| Wi-Fi Standard | WiFi 5 | N/A | N/A | N/A | WiFi 6 |
| Width | 8.27 inches | 7.87 inches | 17.5 inches | 17 inches | 17.5 inches |
| Wireless Support | Yes | No | No | No | No |
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Questions & Answers
Q
What is the UBNT ER-4 Gigabit Ethernet Enterprise Router?
A
The ER-4 is a high-performance enterprise router featuring gigabit Ethernet, PoE pass-through and hardware-accelerated packet processing for reliable network delivery.
Q
What is the maximum routing throughput of the ER-4?
A
The ER-4 delivers up to 3 Gbps of routing throughput with hardware-accelerated NAT, firewall and DPI offload for sustained performance under load.
Q
How many Ethernet ports does the ER-4 provide?
A
The ER-4 offers three Gigabit RJ-45 ports and one Gigabit SFP port for flexible copper or fiber connectivity.
Q
Does the ER-4 support PoE and what is the power budget?
A
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.
Q
What hardware acceleration features are included in the ER-4?
A
The ER-4 leverages a dedicated hardware acceleration engine to offload NAT, firewall and deep packet inspection tasks for low-latency performance.
Q
Can the ER-4 handle advanced VLAN and QoS configurations?
A
Yes, the ER-4 supports 802.1Q VLAN tagging, DSCP traffic classification and stateful QoS policies to prioritize critical applications.
Q
Which VPN protocols does the ER-4 support and what is the performance?
A
The ER-4 supports IPsec, OpenVPN and L2TP VPN protocols with hardware acceleration delivering up to 1.5 Gbps of encrypted throughput.
Q
How is the ER-4 configured and managed?
A
You can configure the ER-4 via the intuitive EdgeOS web interface, CLI or UISP (formerly UNMS) for centralized control and one-click provisioning.
Q
What security features are built into the ER-4?
A
The ER-4 includes a stateful firewall, intrusion detection signatures, deep packet inspection and user-defined traffic policies to secure your network.
Q
What management interfaces does the ER-4 provide?
A
The ER-4 offers a web-based GUI, full-featured CLI, SNMP v2c/v3 and RESTful API integration for flexible network management.
Q
Is the ER-4 suitable for rack mounting?
A
The ER-4 ships in a compact desktop form factor with an optional rack-mount kit available for 1U installations.
Q
What is the typical power consumption of the ER-4?
A
The ER-4 consumes approximately 8 W during normal operation and up to 32 W when supplying PoE across both ports.
Q
Which Ubiquiti products are compatible with the ER-4?
A
The ER-4 integrates seamlessly with Ubiquiti UniFi and UISP ecosystems, including switches, access points and network management software.
Q
What are common use cases for the ER-4 router?
A
The ER-4 is ideal for small to medium-sized enterprises, branch offices, PoE-powered access deployments and multi-WAN failover scenarios.
Q
How do I update the firmware on the ER-4?
A
Firmware on the ER-4 can be updated via the EdgeOS web UI or UISP Controller with one-click installation and automatic rollback support.
Q
What warranty and support options are available for the ER-4?
A
The ER-4 includes a one-year limited hardware warranty, with optional extended support plans and access to Ubiquiti’s online knowledge base.
