Alternative to ISR4321-K9-RF: Better-Value Equivalents in Stock
Comparing the ISR4321-K9-RF (Cisco Reman Isr 4321 2Ge 2Nim 4G Fl 4G Dram) 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 ISR4321-K9-RF
| SKU | ISR4321-K9-RF |
|---|---|
| Product | Cisco Reman Isr 4321 2Ge 2Nim 4G Fl 4G Dram |
| Stock status | In Stock |
| Detail page | View ISR4321-K9-RF › |
Alternatives to ISR4321-K9-RF
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.
MEM-FLSH-4U16G - Cisco 4GB To 16GB Flash Memory Card for ISR 4350 4330
SKU: MEM-FLSH-4U16G
Price: $1,025.46
A01-X0308 - Cisco 2.0GHz 6.4GT/s QPI 18MB L3 Cache Socket FCLGA1567 Intel Xeon X6550 8-Core Processor
SKU: A01-X0308
Price: $78.99
A01-X0308-RF - Cisco 2.0GHz 6.4GT/s QPI 18MB L3 Cache Socket FCLGA1567 Intel Xeon X6550 8-Core Processor
SKU: A01-X0308-RF
Price: $78.99
Cisco DS-SFP-FC4G-SW Multi-mode 4Gbps Fiber Short Wave Fibre Channel 300m 850nm Duplex LC Connector SFP Transceiver Module
SKU: DS-SFP-FC4G-SW
Price: $79.66
ONS-SE-4G-MM - Cisco Multi-mode 4Gbps Fibre Channel 4GBase-SW Fiber 300m 860nm Duplex LC Connector SFP Transceiver Module
SKU: ONS-SE-4G-MM
Price: $79.66
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.