Alternative to ASA5555-K9: Better-Value Equivalents in Stock
Comparing the ASA5555-K9 (ASA5555-K9 - Cisco ASA 5555 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 ASA5555-K9
| SKU | ASA5555-K9 |
|---|---|
| Product | ASA5555-K9 - Cisco ASA 5555 Security Appliance |
| Stock status | In Stock |
| Detail page | View ASA5555-K9 › |
Alternatives to ASA5555-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.
ASA5555-FPWR-K9 - Cisco ASA 5555 w/FirePOWER Security Appliance
SKU: ASA5555-FPWR-K9
Price: $11,794.92
ASA-PWR-AC - Cisco 400-Watts AC 100-240 V Power Supply for ASA 5545-X 5555-X
SKU: ASA-PWR-AC
Price: $532.82
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
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.