Alternative to C2821-25UC-K9: Better-Value Equivalents in Stock
Comparing the C2821-25UC-K9 (Cisco C2821-25UC/K9 2821 Integrated Services Router 2 x AIM, 4 x HWIC, 1 x Network Module, 1 x EVM, 3 x PVDM 2 x 10/100/1000Base-T) against alternatives? Pro Disk Network stocks 12 similar Cisco parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the C2821-25UC-K9
| SKU | C2821-25UC-K9 |
|---|---|
| Product | Cisco C2821-25UC/K9 2821 Integrated Services Router 2 x AIM, 4 x HWIC, 1 x Network Module, 1 x EVM, 3 x PVDM 2 x 10/100/1000Base-T |
| Stock status | In Stock |
| Detail page | View C2821-25UC-K9 › |
Alternatives to C2821-25UC-K9
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
PWR-2821-51-AC-IP - Cisco PoE Power Supply for Cisco 2821 / 2851 Routers
SKU: PWR-2821-51-AC-IP
Price: $400.45
HWIC-2FE - Cisco Catalyst 2-Port Fast Ethernet High Speed WIC Card for Integrated Services Router
SKU: HWIC-2FE
Price: $594.75
HWIC-2FE-RF - Cisco 2-Port Fast Ethernet High Speed WIC Card for Integrated Services Router
SKU: HWIC-2FE-RF
Price: $700.50
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.