United States
Name:
AR121-S
- Description:
- AR121-S,1FE WAN,4FE LAN
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- Brand:
- Huawei
- Condition:
- GTIN:
- 7296932147651
- Warranty:
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- Price:
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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
AR121-S Overview
AR121-S is a highly engineered enterprise router featuring a modular architecture designed for mission-critical environments. It offers robust power options with dual AC power supplies providing redundancy, dual WAN configurations with 2 WAN ports, and 4 LAN ports for efficient and secure data transport. Integrated services include voice, video, and WAN optimization, while advanced VPN features (IPSec and SSL VPN) ensure secure connectivity. High throughput performance of up to 2 Gbps paired with built-in firewall and intrusion prevention capabilities address demanding enterprise use cases.
AR121-S delivers exceptional performance with modular slot availability (2 Slots) for future expansion and stacking capability that supports seamless integration in larger networks. Its managed, rack-mount form factor, comprehensive IPv4/IPv6 protocol support, and remote management via WebUI, CLI, and SNMP make it ideally suited for large enterprises seeking reliable and secure connectivity with maximum redundancy and scalability.
What is the price of AR121-S?
Pricing for AR121-S is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for AR121-S.
Explore more options from Routers or explore other Huawei products.
AR121-S Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / SSL VPN |
| Power Source | AC Power Supply / Redundant |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Modular |
| WAN Configuration | Dual WAN |
| WAN Ports | 2 WAN |
| LAN Ports | 4 LAN Ports |
| Ethernet Technology | 10/100/1000 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IPv4, IPv6 |
| Remote Management | WebUI, CLI, SNMP |
| Compliance Standards | FCC, CE |
| Wireless Support | No |
| Speed/Capacity | Gigabit |
| Firewall Features | Yes |
| Features | VPN, Firewall, IPv6 Compatible |
| Use Case | Enterprise |
| Management | Managed |
| Form Factor | Rack-mount |
| Integrated Services | Voice / Video / WAN Optimization |
| High Availability Support | Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | 2 Gbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall / Intrusion Prevention |
| Expansion Slots | NIM / SFP+ |
| Modular Slots Available | 2 Slots |
| Stacking Capability | Yes |
| 5G Support | No |
| Memory | 8 GB |
| Flash Memory | 256 MB |
| Interface Ports | RJ-45, SFP |
| Power | 250W |
| Device Type | Router |
| Product Name | AR121-S Enterprise Router |
| Height | 1.75 inches |
| Width | 19 inches |
| Depth | 18 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 | Yes | No | No |
| Architecture | Modular | Modular | Modular | Fixed | Modular |
| Broadband | N/A | Fiber Optic, LTE | Fiber Optic / DSL / LTE | Fiber Optic | N/A |
| Built-in Security Features | Firewall, Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | FCC, CE | FCC, CE, RoHS | FCC / CE / RoHS | CE, FCC, RoHS | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 15 inches | 18 inches | 16 inches | 15 inches | 18 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | FCC Part 15, CISPR 22 | FCC Part 15 / CE | N/A | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | NIM | NIM, SFP+ | SFP+ | NIM | NIM / SFP+ |
| Features | VPN, Firewall, IPv6 Compatible, Redundancy | VPN, Firewall, IPv6 Compatible, High Availability | VPN / IPv6 Compatible / Firewall / POE | VPN, Firewall, Advanced QoS, IPv6 Compatible | VPN, Firewall, IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 512 MB | 512 MB | 512 MB | 512 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 4 inches | 2 inches | 2 inches | 1.75 inches | 1.75 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice, WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45, SFP | RJ-45, SFP, Combo Ports | RJ-45 / SFP / SFP+ | RJ-45, SFP+ | RJ-45, SFP |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 4 GB | 4 GB | 1 GB | 2 GB | 8 GB |
| Modular Slots Available | 2 Slots | 3+ Slots | 3+ Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4, IPv6 | IPv4, IPv6 | TCP/IP / UDP / ICMP | IPv4, IPv6 | IPv4, IPv6 |
| Power | 150W | 350 Watt | 150W | 65 Watt | 250W |
| Power Source | AC Power Supply / Redundant | Redundant AC/DC Power Supply | AC Power Supply / Redundant | AC Power Supply / DC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | AR121W-S | AR129 Enterprise Router | AR129W Integrated Services Router | AR121 Advanced Enterprise Router | AR121-S Enterprise Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI, SNMP, Web Interface | SSH, HTTPS, SNMP | SSH / Telnet / SNMP | SSH, HTTPS, SNMP | WebUI, CLI, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / Static Routing | OSPF, BGP, RIP, Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | UL, cUL | UL / CSA | N/A | N/A |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | Yes | Yes | Yes | Yes | Yes |
| Telecom | N/A | ETSI | TIA/EIA | N/A | N/A |
| Throughput Capacity | 2 Gbps | 10 Gbps | 10 Gbps | 1 Gbps | 2 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN / GRE / DMVPN / FlexVPN | IPSec, SSL VPN, GRE, DMVPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN Ports | 2 WAN | 2 WAN | 2 WAN |
| Weight | 10 lbs | 25 lbs | 15 lbs | 7 lbs | 15 lbs |
| Wi-Fi Standard | N/A | N/A | WiFi 6 | N/A | N/A |
| Width | 17 inches | 17 inches | 18 inches | 17 inches | 19 inches |
| Wireless Support | No | No | Yes | No | No |
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Questions & Answers
Q
What is the AR121-S router and how does it function?
A
The AR121-S is a compact wired router featuring 1 Fast Ethernet (FE) WAN port and 4 FE LAN ports that directs upstream traffic from your ISP to multiple downstream devices on your LAN.
Q
Which ports and interfaces are available on the AR121-S?
A
The AR121-S provides one 10/100 Mbps WAN port for Internet connectivity and four 10/100 Mbps LAN ports for local network devices, all using RJ-45 connectors.
Q
How do I configure the WAN connection on the AR121-S?
A
Log in to the web GUI at its default IP, navigate to WAN settings, choose DHCP, static IP, or PPPoE, enter your ISP credentials or addressing details, and save to activate.
Q
How can I set up LAN devices on the AR121-S?
A
Connect devices to any of the four LAN ports, ensure DHCP is enabled in the LAN settings, and the router will assign IP addresses automatically to all connected devices.
Q
Does the AR121-S support static and dynamic IP addressing?
A
Yes. The AR121-S supports dynamic IP assignment via DHCP on its LAN side and allows static IP configuration for both WAN and LAN interfaces.
Q
What security features are included with the AR121-S?
A
The AR121-S includes a stateful packet inspection (SPI) firewall, NAT, MAC-based access control lists, and Denial-of-Service attack prevention to safeguard your network.
Q
Can I establish VPN connections using the AR121-S?
A
No. The AR121-S does not include built-in VPN server or client functionality; it is designed for basic routing and firewall tasks only.
Q
Does the AR121-S support VLAN tagging and Quality of Service (QoS)?
A
Yes. The AR121-S supports 802.1Q VLAN tagging and basic QoS policies to prioritize traffic based on port or protocol for optimized performance.
Q
What network throughput can I expect from the AR121-S?
A
The AR121-S delivers up to 100 Mbps routing throughput on its WAN and LAN ports, ideal for small offices or home networks with medium bandwidth usage.
Q
Which network management tools are compatible with the AR121-S?
A
The AR121-S can be managed through its built-in web interface or via SNMP v1/v2c for remote monitoring and configuration through standard network management systems.
Q
Is IPv6 supported on the AR121-S?
A
No. The AR121-S is IPv4-only and does not support IPv6 addressing or tunneling protocols.
Q
How do I update the firmware on my AR121-S?
A
Download the latest firmware from the manufacturer’s website, access the router’s web GUI, go to System > Firmware Upgrade, upload the file, and click Update to apply.
Q
What are the power requirements for the AR121-S?
A
The AR121-S uses a 12 V DC, 1 A external power adapter and consumes less than 5 W in normal operation.
Q
What is the recommended operating environment for the AR121-S?
A
Operate the AR121-S in a clean, dry location between 0 °C and 40 °C (32 °F–104 °F) with relative humidity from 10 % to 90 %, non-condensing.
Q
What warranty and support options are available for the AR121-S?
A
The AR121-S comes with a one-year limited hardware warranty and access to online technical resources, firmware updates, and email support from the manufacturer.
