Alternative to GLC-BX-U-40KM: Better-Value Equivalents in Stock
Comparing the GLC-BX-U-40KM (GLC-BX-U-40KM - Cisco 1Gbps 1000Base-BX-U Single-mode Fiber 40km 1310nmTX/1490nmRX 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-40KM
| SKU | GLC-BX-U-40KM |
|---|---|
| Product | GLC-BX-U-40KM - Cisco 1Gbps 1000Base-BX-U Single-mode Fiber 40km 1310nmTX/1490nmRX LC Connector SFP Transceiver Module |
| Current price | $145.87 |
| Stock status | In Stock |
| Detail page | View GLC-BX-U-40KM › |
Alternatives to GLC-BX-U-40KM
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-BX-D40 - Cisco 1.25Gbps 1000Base-BX-D Bi-Directional Single-mode Fiber 40km 1490nm/1310nm LC Connector SFP Transceiver Module
SKU: GLC-BX-D40
Price: $85.82
GLC-LH-SM-40 - Cisco 1Gbps 1000Base-LX/LH Single-Mode Fiber 40km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-LH-SM-40
Price: $92.59
GLC-EX-SM - Cisco 1.25Gbps 1000Base-EX Single-Mode Fiber 40km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-EX-SM
Price: $132.80
GLC-FE-100EX-RF - Cisco Single-Mode 100Mbps 100Base-EX Fiber 40km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-FE-100EX-RF
Price: $140.17
Cisco GLC-FE-100EX Single-Mode 100Mbps 100Base-EX Fiber 40km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-FE-100EX
Price: $188.13
GLC-LH40-SM - Cisco 1.25Gbps 1000Base-XD Single-mode Fiber 40km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-LH40-SM
Price: $205.91
GLC-EX-SMD - Cisco 1.25Gb/s 1000Base-EX Single-Mode Fiber 40km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-EX-SMD
Price: $255.04
GLC-LHX-SM - Cisco 1.25Gbps 1000Base-XD Single-mode Fiber 40km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-LHX-SM
Price: $290.54
GLC-EX-SMD-RGD - Cisco 1.25Gb/s 1000Base-EX Single-Mode Fiber 40km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-EX-SMD-RGD
Price: $293.41
GLC-BX40-D-I - Cisco 1.25Gb/s 1000Base-BX40-D Single-Mode Fiber 40km 1550nm-TX/1310nm-RX LC Connector SFP Transceiver Module
SKU: GLC-BX40-D-I
Price: $309.82
GLC-BX40-U-I - Cisco Single-mode 1Gbps 1000Base-BX-U Fiber 40km 1310nmTX/1550nmRX LC Connector SFP Transceiver Module
SKU: GLC-BX40-U-I
Price: $916.07
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.