Cisco
Cisco 1921 ISR G2 Security Router | 2x GE, 2 EHWIC, 512MB DRAM | CISCO1921-SEC/K9
PO and Net 30 available for schools, government, hospitals, and law firms.
Description
Description
Cisco 1921 Integrated Services Router — Security Bundle (CISCO1921-SEC/K9)
Save up to 80% over new with this refurbished Cisco 1921 ISR G2 Security Router. Ideal for branch offices and small-to-medium businesses needing enterprise-grade routing with built-in security — backed by Reef Telecom's industry-leading 10-year warranty.
Key Specifications
- Part Number: CISCO1921-SEC/K9 (UPC: 882658346170)
- Interfaces: 2x Onboard Gigabit Ethernet (10/100/1000 Base-T)
- Expansion: 2x Enhanced High-Speed WAN Interface Card (EHWIC) slots
- Memory: 512MB DRAM / 256MB USB Flash (internal)
- Security License: SEC Feature License included (Firewall, VPN via IPsec/SSL, IPS)
- Encryption: Embedded hardware encryption acceleration
- Form Factor: 1U rack-mountable
- Routing Protocols: OSPF, EIGRP, BGP, IS-IS, MPLS, PBR, static IPv4/IPv6
- Connectivity: Serial, T1/E1, xDSL, GbE, 3G wireless (via modules)
Why Buy from Reef Telecom?
- ✅ 10-Year Warranty — the longest in the industry
- ✅ Free Shipping on orders over $300
- ✅ Rigorously tested and certified refurbished
- ✅ Carbon-neutral shipping on every order
Ideal Use Cases
The Cisco 1921 ISR G2 is a proven platform for branch-office connectivity, secure VPN tunneling, WAN aggregation, and unified communications. Its modular EHWIC slots support future expansion with T1/E1, DSL, and additional Ethernet modules — protecting your investment as your network grows.
Specs & Details
Specs & Details
Shipping & Warranty
Shipping & Warranty
Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.
All products include our industry-leading 10 Year Warranty backed by Reef Telecom.

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Ecommerce deliveries have a carbon footprint. That's why we support verified projects that remove carbon from the air.
Every delivery’s carbon footprint is calculated based on weight, shipping method, and distance traveled. We neutralize these emissions by purchasing verified carbon removal credits from groundbreaking projects.
With your purchase, you’ll join a community of proactive merchants and customers dedicated to a sustainable future. Together, we've removed emissions for over 81 million deliveries and removed over 57 thousand tonnes of carbon.
We work with a network of pioneering carbon removal companies that have been vetted by the commerce platform Shopify.
Reef Telecom Proudly Supports
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Our goal is providing the highest quality refurbished equipment to promote environmentally-conscious equipment usage through it's lifecycle.