Alternative to GLC-BX-U-120KM: Better-Value Equivalents in Stock
Comparing the GLC-BX-U-120KM (GLC-BX-U-120KM - Cisco 1Gb/s 1000Base-BX-U Single-Mode Fiber 120km 1550nmTX/1570nmRX 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-BX-U-120KM
| SKU | GLC-BX-U-120KM |
|---|---|
| Product | GLC-BX-U-120KM - Cisco 1Gb/s 1000Base-BX-U Single-Mode Fiber 120km 1550nmTX/1570nmRX LC Connector SFP Transceiver Module |
| Stock status | In Stock |
| Detail page | View GLC-BX-U-120KM › |
Alternatives to GLC-BX-U-120KM
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
10-1455-01 - Cisco 1Gb/s 1000Base-CWDM Single-Mode Fiber 120km 1510nm Duplex SC Connector GBIC Transceiver Module
SKU: 10-1455-01
Price: $566.91
10-1457-01 - Cisco 1Gb/s 1000Base-CWDM Single-Mode Fiber 120km 1550nm Duplex SC Connector GBIC Transceiver Module
SKU: 10-1457-01
Price: $566.91
10-1996-01 - 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.