Cisco C921-4P 900 Series ISR with 2 GE WAN and 4 GE LAN ports, delivering 150 Mbps crypto throughput for small branch offices with compact desktop form factor.
| Part Number | C921-4P |
| WAN Ports | 2x GE |
| LAN Ports | 4x GE (managed switch) |
| Crypto Throughput | 150 Mbps |
| Memory | 1 GB DRAM, 2 GB Flash |
| Form Factor | Desktop / Wall-mount |
| Part Number | C921-4P |
| Product Series | Cisco 900 Series ISR |
| WAN Interfaces | 2x 1 GbE |
| LAN Interfaces | 4x 1 GbE (managed switch) |
| Crypto Throughput | 150 Mbps (VPN) |
| Memory | 1 GB DRAM |
| Storage | 2 GB Flash |
| Console Ports | RJ45 + USB 2.0 |
| Power Supply | Internal AC 100-240V |
| Form Factor | Desktop (1.70 x 9.0 x 9.5 in) |
Yes, the Cisco 921 Series ISR with 4 GbE LAN Ports is currently in stock and available for immediate shipment from our Boulder, CO warehouse. Same-day shipping on orders placed before 2pm MT.
This C921-4P is professionally refurbished or new-surplus enterprise hardware. Every unit is fully tested, factory-reset, and inspected before shipping. Cosmetic blemishes (rack marks, minor scuffs) may be present but never affect functionality.
The C921-4P comes with the Eldo Systems Lifetime Warranty covering hardware defects. We are an independent reseller — manufacturer warranties do not apply, but our lifetime coverage matches or exceeds typical OEM terms.
Free ground shipping on every order, included in the price. Orders ship same-day if placed before 2pm MT (Mon–Fri). Expedited overnight and 2-day options are available at checkout for urgent deployments.
Yes — we ship worldwide. International orders are quoted individually so we can present accurate freight, duties, and lead time. Use the Request a Quote form or call (484) 630-1533 to start.
Absolutely. We offer volume discounts and project pricing for resellers, integrators, and end-users buying in quantity. Submit a quote with your target quantity and our team will respond within 15 minutes during business hours.
Get the C921-4P from Eldo Systems with lifetime warranty and free ground shipping.
Independent Reseller Notice: Eldo Systems is an independent reseller of refurbished and new-surplus enterprise networking equipment. We are not affiliated with, authorized by, or endorsed by Cisco, Juniper, Arista, HPE, Dell, Meraki, Fortinet, Mellanox, NVIDIA, Finisar, or any other manufacturer listed on this site. All product names, logos, and brands are property of their respective owners. All products sold are refurbished or new-surplus unless otherwise noted. Manufacturer warranties do not apply; all items are covered by the Eldo Systems Lifetime Warranty.
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