Alternative to NI-2-155MM-DS3-RF: Better-Value Equivalents in Stock
Comparing the NI-2-155MM-DS3-RF (Cisco 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 NI-2-155MM-DS3-RF
| SKU | NI-2-155MM-DS3-RF |
|---|---|
| Product | Cisco Expansion module |
| Current price | $2,837.79 |
| Stock status | In Stock |
| Detail page | View NI-2-155MM-DS3-RF › |
Alternatives to NI-2-155MM-DS3-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.
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 Services SPA Carrier 400 - Expansion module - for Cisco 7603, 7604, 7606, 7609, 7613; Catalyst 6503
SKU: 7600-SSC-400
Price: $232.82
73-14658-02 - Cisco 4-Port 10Gb/s LAN Expansion Module for Catalyst C3850-12X48U-E Switch
SKU: 73-14658-02
Price: $99.93
15454DS312 - Cisco 15454 44.7Mb/s 10Base-T Multi-Mode 12 x Ports LC Connector SFP (mini-GBIC) Expansion Module
SKU: 15454DS312
Price: $109.75
WS-X4448-GB-RJ45 - Cisco Catalyst 4000 48-Port 48 x 10/100/1000Base-T + 1 x Expansion Slot Gigabit Ethernet Module
SKU: WS-X4448-GB-RJ45
Price: $120.92
WS-X2922-XL-V - Cisco 2-Port 10/100Base-FX Switch Interface Expansion Module
SKU: WS-X2922-XL-V
Price: $140.36
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.