Alternative to ISM-SRE-300-BUN-K9: Better-Value Equivalents in Stock
Comparing the ISM-SRE-300-BUN-K9 (ISM-SRE-300-BUN-K9 - Cisco 3900 Series Services Ready Engine (SRE) 300 ISM) 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 ISM-SRE-300-BUN-K9
| SKU | ISM-SRE-300-BUN-K9 |
|---|---|
| Product | ISM-SRE-300-BUN-K9 - Cisco 3900 Series Services Ready Engine (SRE) 300 ISM |
| Current price | $99.55 |
| Stock status | In Stock |
| Detail page | View ISM-SRE-300-BUN-K9 › |
Alternatives to ISM-SRE-300-BUN-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.
ISM-SRE-300-K9 - Cisco Services Ready Engine 300 ISM Control Processor
SKU: ISM-SRE-300-K9
Price: $433.95
Cisco SM-SRE-710-K9 SRE 710 1 x 10/100/1000Base-T LAN Service Module
SKU: SM-SRE-710-K9
Price: $203.82
SM-SRE-900-K9 - Cisco Services Ready Engine 900 SM Control Processor
SKU: SM-SRE-900-K9
Price: $374.46
PWR-3900-POE - Cisco Power Supply with PoE Switch For 3925 / 3945 Integrated Services Router
SKU: PWR-3900-POE
Price: $238.13
Cisco PWR-3900-AC/2 400-Watts 100 / 240V Secondary AC Power Supply For 3925/3945 Integrated Services Router
SKU: PWR-3900-AC-2
Price: $856.43
MEM-CF-256MB-3 - Cisco 256MB CompactFlash (CF) Memory Card for 1900 2900 3900 Series
SKU: MEM-CF-256MB-3
Price: $116.33
MEM-CF-256U4GB-MT - Cisco 4GB CompactFlash (CF) Memory Card for 1900 2900 3900 Series Routers
SKU: MEM-CF-256U4GB-MT
Price: $127.67
MEM-CF-4GB-X3 - Cisco 4GB CompactFlash (CF) Memory Card for 1900 2900 3900 Series Routers
SKU: MEM-CF-4GB-X3
Price: $127.67
MEM-CF-4GB-TP - Cisco 4GB CompactFlash (CF) Memory Card for 1900 2900 3900 Series
SKU: MEM-CF-4GB-TP
Price: $127.67
MEM-CF-1GB-X3 - Cisco 1GB CompactFlash (CF) Memory Card for 1900 2900 3900 Series Router
SKU: MEM-CF-1GB-X3
Price: $127.67
MEM-CF-1GB-3 - Cisco 1GB CompactFlash (CF) Memory Card for 1900 2900 3900 Series
SKU: MEM-CF-1GB-3
Price: $127.67
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.