Alternative to TNSFPLXB81: Better-Value Equivalents in Stock
Comparing the TNSFPLXB81 (TNSFPLXB81 - Transition 1000Base-LX TX-1510nm/RX-1590nm 80km 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 TNSFPLXB81
| SKU | TNSFPLXB81 |
|---|---|
| Product | TNSFPLXB81 - Transition 1000Base-LX TX-1510nm/RX-1590nm 80km Transceiver Module |
| Current price | $2,809.20 |
| Stock status | In Stock |
| Detail page | View TNSFPLXB81 › |
Alternatives to TNSFPLXB81
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.
TNSFPLXB82 - Transition 1000Base-LX TX-1590nm/RX-1510nm 80km Transceiver Module
SKU: TNSFPLXB82
Price: $24.21
TN-SFP-LXB161 - Transition 1000Base-LX 1510nm TX/1590nm RX LC Connector 160 km Transceiver Module
SKU: TN-SFP-LXB161
Price: $3,447.83
TN-SFP-LXB162 - Transition 1000Base-LX 1590nm TX/1510nm RX LC Connector 160 km Transceiver Module
SKU: TN-SFP-LXB162
Price: $3,447.83
TN-SFP-LX8-C59 - Transition CWDM 1000Base-LX/Fiber Channel 1590nm SM LC Connector 80km Transceiver Module
SKU: TN-SFP-LX8-C59
Price: $731.28
TN-SFP-OC3S8-C59 - Transition 100Mbps CWDM SFP 100Base-FX/0C-3 LC Connector Single-mode 80km 1590nm Transceiver Module
SKU: TN-SFP-OC3S8-C59
Price: $1,476.72
TN-CWDM-SFP-1590 - Transition 1Gbps 1000Base-LX/ZX CWDM Fibre Channel Single-mode Fiber 80km 1590nm LC Connector SFP (mini-GBIC) Transceiver Module
SKU: TN-CWDM-SFP-1590
Price: $1,662.17
TN-CWDM-10G-1590-80 - Transition 10Gbps 10GBase-ZR Single-mode Fiber Sm Lc CWDM 1590nm 80km SFP+ Transceiver Module
SKU: TN-CWDM-10G-1590-80
Price: $4,744.93
TN-SFP-LX8-C51 - Transition CWDM 1000Base-LX/Fiber Channel 1510nm SM LC Connector 80km Transceiver Module
SKU: TN-SFP-LX8-C51
Price: $731.28
TN-CWDM-100LX-1510 - Transition 155Mbps 100Base-LX CWDM Single-mode Fiber 80km 1510nm LC Connector SFP Transceiver Module
SKU: TN-CWDM-100LX-1510
Price: $1,395.25
TN-SFP-OC3S8-C51 - Transition 100Mbps CWDM SFP 100Base-FX/0C-3 LC Connector Single-mode 80km 1510nm Transceiver Module
SKU: TN-SFP-OC3S8-C51
Price: $1,476.72
TN-CWDM-SFP-1510 - Transition 1Gbps 1000Base-LX/ZX CWDM Fibre Channel Single-mode Fiber 80km 1510nm LC Connector SFP (mini-GBIC) Transceiver Module
SKU: TN-CWDM-SFP-1510
Price: $1,662.17
TN-CWDM-SFP-1590-40 - Transition 1.25Gbps 1000Base-LX 1590nm Single Mode 40km LC Connector SFP Transceiver Module
SKU: TN-CWDM-SFP-1590-40
Price: $960.72
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.