Alternative to FWLF-1631-36: Better-Value Equivalents in Stock
Comparing the FWLF-1631-36 (FWLF-1631-36 - Finisar 2.7Gbps DWDM Single-mode Fiber 80km 1548.51nm SFP 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 FWLF-1631-36
| SKU | FWLF-1631-36 |
|---|---|
| Product | FWLF-1631-36 - Finisar 2.7Gbps DWDM Single-mode Fiber 80km 1548.51nm SFP Transceiver Module |
| Current price | $1,222.64 |
| Stock status | In Stock |
| Detail page | View FWLF-1631-36 › |
Alternatives to FWLF-1631-36
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.
FWLF1634RL36 - Finisar 4.25Gbps 1000Base-ZX DWDM Single-mode Fiber 80km 1548.51nm Duplex LC Connector SFP Transceiver Module
SKU: FWLF1634RL36
Price: $1,826.84
FWLF1634RL25 - Finisar 4.25Gbps 1000Base-ZX DWDM Single-mode Fiber 80km 1557.36nm Duplex LC Connector SFP Transceiver Module
SKU: FWLF1634RL25
Price: $1,826.84
FWLF1634RL51 - Finisar 4.25Gbps 1000Base-ZX DWDM Single-mode Fiber 80km 1536.61nm Duplex LC Connector SFP Transceiver Module
SKU: FWLF1634RL51
Price: $1,826.84
DWDM-SFP10G-36.61-RF - Cisco Single-mode 10Gbps 10GBase-DWDM Fiber 80km 1536.61nm Duplex LC Connector SFP+ Transceiver Module
SKU: DWDM-SFP10G-36.61-RF
Price: $422.12
DWDM-SFP10G-36.61 - Cisco Single-mode 10Gbps 10GBase-DWDM Fiber 80km 1536.61nm Duplex LC Connector SFP+ Transceiver Module
SKU: DWDM-SFP10G-36.61
Price: $466.67
Cisco DWDM-SFP-3661/NS 1.25Gbps 1000Base-DWDM Single-Mode Fiber 80km 1536.61nm LC Connector SFP Transceiver Module
SKU: DWDM-SFP-3661-NS
Price: $1,054.00
DWDM-SFP-3661 - Cisco 1.25Gb/s 1000Base-DWDM Single-Mode Fiber 80km 1536.61nm LC Connector SFP Transceiver Module
SKU: DWDM-SFP-3661
Price: $1,147.54
DWDM-SFP-1536.61 - Cisco 1Gbps Multirate 1000Base-DWDM ZX Single-mode Fiber 80km 1536.61nm LC Connector SFP Transceiver Module
SKU: DWDM-SFP-1536.61
Price: $1,776.55
DWDM-XFP-36.61 - Cisco 10Gbps 10GBase-DWDM Single-Mode Fiber 80km 1536.61nm Duplex LC Connector XFP Transceiver Module
SKU: DWDM-XFP-36.61
Price: $3,137.08
DWDM-GBIC-1536.61 - Cisco 1.25Gbps 1000Base-ZX DWDM Single-mode Fiber 80km 1536.61nm SC Connector GBIC Transceiver Module
SKU: DWDM-GBIC-1536.61
Price: $3,144.07
DWDM-X2-36.61 - Cisco 10Gbps 10GBase-DWDM Single-Mode Fiber 80km 1536.61nm Duplex SC Connector X2 Transceiver Module
SKU: DWDM-X2-36.61
Price: $5,320.22
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.