Alternative to C3KX-SM-10G: Better-Value Equivalents in Stock
Comparing the C3KX-SM-10G (C3KX-SM-10G - Cisco 2 x Ports 10GbE Service Expansion Module) 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 C3KX-SM-10G
| SKU | C3KX-SM-10G |
|---|---|
| Product | C3KX-SM-10G - Cisco 2 x Ports 10GbE Service Expansion Module |
| Current price | $3,686.99 |
| Stock status | In Stock |
| Detail page | View C3KX-SM-10G › |
Alternatives to C3KX-SM-10G
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.
C3850-NM-2-10G - Cisco 2 x Ports 10G 4 x Slots Network Expansion Module for Catalyst 3850
SKU: C3850-NM-2-10G
Price: $1,466.32
15454-XC-10G - Cisco 15454 10Gb/s 10GBase-X 2 x Ports LC Connector Connect Card Expansion Module
SKU: 15454-XC-10G
Price: $163.74
WS-X6716-10G-3C - Cisco Catalyst 6500 Series 16 x Ports 10 Gigabit Ethernet Expansion Module
SKU: WS-X6716-10G-3C
Price: $610.53
Cisco Catalyst WS-X4908-10G-RJ45 4900M 8 x Ports 10Base-T Gigabit Half Expansion Module Spare
SKU: WS-X4908-10G-RJ45
Price: $2,220.09
Cisco ASR1002-10G/K9 ASR 1002 8-Slot 4GB Aggregation service Router
SKU: ASR1002-10G-K9
Price: $4,620.97
N55-M8P8FP-RF - Cisco N55-M8P8FP 16 x Expansion Slot SFP+ (mini-GBIC) Expansion Module for Nexus 5000 Series Switch
SKU: N55-M8P8FP-RF
Price: $4,393.29
Cisco Catalyst WS-X4748-UPOE+E 4500E Upoe 48 x Ports 10/100/1000Base-T Gigabit Ethernet Service Module
SKU: WS-X4748-UPOE-E
Price: $188.13
Cisco Catalyst WS-X4612-SFP-E 4500 E-Series 12 x Ports SFP (mini-GBIC) Gigabit Line Card Service Module Spare
SKU: WS-X4612-SFP-E
Price: $240.89
Cisco Catalyst WS-X4748-RJ45V+E 4500E 48 x Ports 10/100/1000Base-T Gigabit Ethernet Service Module
SKU: WS-X4748-RJ45V-E
Price: $2,683.13
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.