Alternative to TN-SFP-LX20-C31: Better-Value Equivalents in Stock
Comparing the TN-SFP-LX20-C31 (TN-SFP-LX20-C31 - Transition 1.25Gbps 1000Base-LX 1310nm LC Connector Single-mode Fiber 200km/124.3 mi Transceiver Module) against alternatives? Pro Disk Network stocks 12 similar 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 TN-SFP-LX20-C31
| SKU | TN-SFP-LX20-C31 |
|---|---|
| Product | TN-SFP-LX20-C31 - Transition 1.25Gbps 1000Base-LX 1310nm LC Connector Single-mode Fiber 200km/124.3 mi Transceiver Module |
| Current price | $3,951.49 |
| Stock status | In Stock |
| Detail page | View TN-SFP-LX20-C31 › |
Alternatives to TN-SFP-LX20-C31
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-1470-200KM - Cisco 1Gbps 1000Base-CWDM Single-mode Fiber 200km 1470nm Duplex LC Connector SFP Transceiver Module
SKU: CWDM-SFP-1470-200KM
Price: $177.79
TN-SFP-LX20-C35 - Transition 1.25Gbps 1000Base-LX 1350nm LC Connector Single-mode Fiber 200km/124.3 mi Transceiver Module
SKU: TN-SFP-LX20-C35
Price: $5,649.08
TN-SFP-OC3S20 - Transition 100Mbps 100Base-FX/OC-3 Single-mode Fiber 1550nm SM (LC) 200km/124.3 mi Transceiver Module
SKU: TN-SFP-OC3S20
Price: $3,264.92
TN-SFP-LX20 - Transition 1.25Gbps 1000Base-LX Single-mode 200km 1550nm (LC) SM SFP Transceiver Module
SKU: TN-SFP-LX20
Price: $3,776.71
TN-SFP-OC12S - Transition Network 622Mb/s OC-12/STM-4 1310nm Single-Mode Fiber 20km LC Connector SFP Transceiver Module
SKU: TN-SFP-OC12S
Price: $409.43
TN-SFP-10G-LR - Transition 10Gbps 10GBase-LR Single-mode Fiber 10km 1310nm LC Duplex Connector SFP+ Transceiver Module
SKU: TN-SFP-10G-LR
Price: $680.32
TN-CWDM-SFP-1310 - Transition 1Gbps 1000Base-LX/ZX CWDM Fibre Channel Single-mode Fiber 80km 1310nm LC Connector SFP (mini-GBIC) Transceiver Module
SKU: TN-CWDM-SFP-1310
Price: $1,662.17
TN-SFP-LX8-C27 - Transition 1Gbps 1000Base-LX CWDM Single-mode Fiber 80km 1270nm Fiber Channel LC Connector SFP Transceiver Module
SKU: TN-SFP-LX8-C27
Price: $1,542.74
TN-SFP-OC3S - Transition Network 100Mb/s 100Base-FX Multi-Mode Fiber 1310nm Duplex LC Connector SFP Transceiver Module
SKU: TN-SFP-OC3S
Price: $439.64
TN-GLC-LH-SMD - Transition 1Gbps 1000Base-LX/ LH Single-mode Fiber 10km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: TN-GLC-LH-SMD
Price: $105.26
TN-GLC-LH-SMD-RGD - Transition 1Gbps 1000Base-LX/ LH Single-mode Fiber 10km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: TN-GLC-LH-SMD-RGD
Price: $126.25
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.