Alternative to ASA5520: Better-Value Equivalents in Stock
Comparing the ASA5520 (ASA5520 - Cisco ASA 5520 Adaptive Security Appliance) 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 ASA5520
| SKU | ASA5520 |
|---|---|
| Product | ASA5520 - Cisco ASA 5520 Adaptive Security Appliance |
| Current price | $420.00 |
| Stock status | In Stock |
| Detail page | View ASA5520 › |
Alternatives to ASA5520
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.
ASA5505-CF-128MB - Cisco 128MB CompactFlash (CF) Memory Card for Adaptive Security Appliance(ASA) 5500 Series
SKU: ASA5505-CF-128MB
Price: $116.33
ASA5505-CF-512MB - Cisco 512MB CompactFlash (CF) Memory Card for Adaptive Security Appliance(ASA) 5500 Series
SKU: ASA5505-CF-512MB
Price: $116.33
ASA5500-CF-128MB - Cisco 128MB CompactFlash (CF) Memory Card for Adaptive Security Appliance(ASA) 5500 Series
SKU: ASA5500-CF-128MB
Price: $116.33
ASA5500-CF-1GB - Cisco 1GB CompactFlash (CF) Memory Card for Adaptive Security Appliance(ASA) 5500 Series
SKU: ASA5500-CF-1GB
Price: $135.84
74-4966-01 - HP / Cisco Asa5580 4 X AMD Opteron 8218 2.6GHz 12GB RAM Adaptive Security Appliance
SKU: 74-4966-01
Price: $12,479.39
74-4967-01 - HP / Cisco Asa5580 2 X AMD Opteron 8218 2.6GHz 8GB RAM Adaptive Security Appliance
SKU: 74-4967-01
Price: $12,479.39
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.