Alternative to GLC-BX-U-20KM: Better-Value Equivalents in Stock
Comparing the GLC-BX-U-20KM (GLC-BX-U-20KM - Cisco 1Gbps 1000Base-BXU Single-mode Fiber 1310nm TX/1490nm RX 20km 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-20KM
| SKU | GLC-BX-U-20KM |
|---|---|
| Product | GLC-BX-U-20KM - Cisco 1Gbps 1000Base-BXU Single-mode Fiber 1310nm TX/1490nm RX 20km SFP Transceiver Module |
| Current price | $114.36 |
| Stock status | In Stock |
| Detail page | View GLC-BX-U-20KM › |
Alternatives to GLC-BX-U-20KM
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-U-60KM - Cisco 1Gbps 1000Base-BXU Single-mode Fiber 1310nm TX/1490nm RX 60km SFP Transceiver Module
SKU: GLC-BX-U-60KM
Price: $78.00
GLC-BX-U-80KM - Cisco 1Gbps 1000Base-BXU Single-mode Fiber 1310nm TX/1490nm RX 80km SFP Transceiver Module
SKU: GLC-BX-U-80KM
Price: $200.76
GLC-BX-U20 - Cisco 1Gbps 1000Base-BX-U Bi-Directional 20km Single-mode Fiber 1310nm/1490nm SFP Transceiver
SKU: GLC-BX-U20
Price: $78.00
GLC-BX-D20 - Cisco 1Gbps 1000Base-BX-D Bi-Directional 20km Single-mode Fiber 1490nm/1310nm SFP Transceiver
SKU: GLC-BX-D20
Price: $414.86
ONS-SE-GE-BXU - Cisco Single-Mode 1.25Gbps 1000Base-BX10-U Fiber 10km TX: 1310nm/RX: 1490nm LC Connector SFP Transceiver Module
SKU: ONS-SE-GE-BXU
Price: $642.11
X2-10GB-LR-20KM - Cisco 10Gbps 10GBase-LR Single-Mode Fiber 20km 1310nm Duplex SC Connector X2 Transceiver Module
SKU: X2-10GB-LR-20KM
Price: $306.68
SFP-10G-BXU-20KM - Cisco 10GBase-BX-U 1270TX / 1330RX 20km SFP+ Transceiver Module
SKU: SFP-10G-BXU-20KM
Price: $926.57
GLC-LH-SM-20 - Cisco 1Gbps 1000Base-LX/LH Single-Mode Fiber 20km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-LH-SM-20
Price: $105.71
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-BX-U40 - Cisco 1Gbps 1000Base-BX-U Bi-Directional 40km Single-mode Fiber 1310nm/1490nm SFP Transceiver
SKU: GLC-BX-U40
Price: $143.76
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.