Alternative to GLC-SX-MM: Better-Value Equivalents in Stock
Comparing the GLC-SX-MM (Cisco GLC-SX-MM 1.25Gb/s 1000Base-SX Multi-Mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module Spare) 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 GLC-SX-MM
| SKU | GLC-SX-MM |
|---|---|
| Product | Cisco GLC-SX-MM 1.25Gb/s 1000Base-SX Multi-Mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module Spare |
| Current price | $79.66 |
| Stock status | In Stock |
| Detail page | View GLC-SX-MM › |
Alternatives to GLC-SX-MM
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.
GLC-SX-MMD - Cisco 1.25Gb/s 1000Base-SX Multi-Mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-SX-MMD
Price: $10.53
Cisco GLC-SX-MM=-RF 1.25Gbps 1000Base-SX Multi-mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-SX-MM--RF
Price: $78.00
GLC-SX-MM-06 - Cisco 1.25Gb/s 1000Base-SX Multi-Mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-SX-MM-06
Price: $98.84
Cisco GLC-SX-MMD=-A1 1.25Gbps 1000Base-SX Multi-mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-SX-MMD--A1
Price: $99.99
GLC-SX-MMD-RF-CPO - Cisco 1.25Gbps 1000Base-SX Multi-mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-SX-MMD-RF-CPO
Price: $105.68
GLC-SX-MMD-RF - Cisco 1.25Gb/s 1000Base-SX Multi-Mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-SX-MMD-RF
Price: $150.88
GLC-SX-MM-RF - Cisco 1.25Gb/s 1000Base-SX Multi-Mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-SX-MM-RF
Price: $154.38
Cisco GLC-SX-MM-RGD Multi-mode 1.25Gbps 1000Base-SX Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-SX-MM-RGD
Price: $176.21
30-1301-03 - Cisco 1.25Gb/s 1000Base-SX Multi-Mode Fiber 550m 850nm Duplex LC Connector SFP Transceiver Module
SKU: 30-1301-03
Price: $62.17
WS-G5484-01 - Cisco 1Gbps 1000Base-SX Multi-mode Fiber Short Wave 550m 850nm Duplex SC Connector GBIC Transceiver Module
SKU: WS-G5484-01
Price: $78.00
WS-G5484-2 - Cisco 1Gbps 1000Base-SX Multi-mode Fiber 550m 850nm Duplex SC Connector GBIC Transceiver Module
SKU: WS-G5484-2
Price: $78.00
WS-G5484-C-KOMPATIBL - Cisco 1Gbps 1000Base-SX Multi-mode Fiber Short Wave 550m 850nm Duplex SC Connector GBIC Transceiver Module
SKU: WS-G5484-C-KOMPATIBL
Price: $78.00
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.