Alternative to GLC-ZX-SM-120: Better-Value Equivalents in Stock
Comparing the GLC-ZX-SM-120 (GLC-ZX-SM-120 - Cisco 1Gb/s 1000Base-ZX Single-Mode Fiber 120km 1550nm Duplex LC Connector SFP Transceiver 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 GLC-ZX-SM-120
| SKU | GLC-ZX-SM-120 |
|---|---|
| Product | GLC-ZX-SM-120 - Cisco 1Gb/s 1000Base-ZX Single-Mode Fiber 120km 1550nm Duplex LC Connector SFP Transceiver Module |
| Stock status | In Stock |
| Detail page | View GLC-ZX-SM-120 › |
Alternatives to GLC-ZX-SM-120
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.
CWDM-SFP-1550-120KM - Cisco 1Gbps 1000Base-CWDM Fibre Channel Single-mode Fiber 120km 1550nm Duplex LC Connector SFP Transceiver Module
SKU: CWDM-SFP-1550-120KM
Price: $598.36
DWDM-SFP-5575-120KM - Cisco 1Gbps 1000Base-DWDM Single-mode Fiber 120km 1555.75nm Duplex LC Connector SFP Transceiver Module
SKU: DWDM-SFP-5575-120KM
Price: $1,070.49
X2-10GB-ZR-120KM - Cisco 10Gbps 10GBase-ZR Single-Mode Fibre 120km 1550nm Duplex SC Connector X2 Transceiver Module
SKU: X2-10GB-ZR-120KM
Price: $1,724.57
10-1453-01 - Cisco 1Gb/s 1000Base-CWDM Single-Mode Fiber 120km 1470nm Duplex SC Connector GBIC Transceiver Module
SKU: 10-1453-01
Price: $523.79
10-1460-01 - Cisco 1Gb/s 1000Base-CWDM Single-Mode Fiber 120km 1610nm Duplex SC Connector GBIC Transceiver Module
SKU: 10-1460-01
Price: $566.91
10-1459-01 - Cisco 1Gb/s 1000Base-CWDM Single-Mode Fiber 120km 1590nm Duplex SC Connector GBIC Transceiver Module
SKU: 10-1459-01
Price: $566.91
10-1458-01 - Cisco 1Gb/s 1000Base-CWDM Single-Mode Fiber 120km 1570nm Duplex SC Connector GBIC Transceiver Module
SKU: 10-1458-01
Price: $566.91
10-1456-01 - Cisco 1Gb/s 1000Base-CWDM Single-Mode Fiber 120km 1530nm Duplex SC Connector GBIC Transceiver Module
SKU: 10-1456-01
Price: $566.91
10-1457-01 - Cisco 1Gb/s 1000Base-CWDM Single-Mode Fiber 120km 1550nm Duplex SC Connector GBIC Transceiver Module
SKU: 10-1457-01
Price: $566.91
10-1455-01 - Cisco 1Gb/s 1000Base-CWDM Single-Mode Fiber 120km 1510nm Duplex SC Connector GBIC Transceiver Module
SKU: 10-1455-01
Price: $566.91
10-1996-01 - Cisco 155Mb/s OC-3/STM-1 CWDM Single-Mode Fiber 120km 1470nm LC Connector SFP Transceiver Module
SKU: 10-1996-01
Price: $187.18
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.