Alternative to FWLF-1631-32: Better-Value Equivalents in Stock
Comparing the FWLF-1631-32 (FWLF-1631-32 - Finisar 2.7Gbps DWDM Single-mode Fiber 80km 1551.72nm 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-1631-32
| SKU | FWLF-1631-32 |
|---|---|
| Product | FWLF-1631-32 - Finisar 2.7Gbps DWDM Single-mode Fiber 80km 1551.72nm SFP Transceiver Module |
| Current price | $1,222.64 |
| Stock status | In Stock |
| Detail page | View FWLF-1631-32 › |
Alternatives to FWLF-1631-32
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.
FTLX3811M356 - Finisar 10Gbps DWDM 10GBase-X Single-mode Fiber 80km 1532.68nm Duplex LC Connector XFP Transceiver Module
SKU: FTLX3811M356
Price: $1,240.33
FWLF1634RL32 - Finisar 4.25Gbps 1000Base-ZX DWDM Single-mode Fiber 80km 1551.72nm Duplex LC Connector SFP Transceiver Module
SKU: FWLF1634RL32
Price: $1,826.84
FWLF1634RL35 - Finisar 4.25Gbps 1000Base-ZX DWDM Single-mode Fiber 80km 1549.32nm Duplex LC Connector SFP Transceiver Module
SKU: FWLF1634RL35
Price: $1,826.84
FWLF1634RL40 - Finisar 4.25Gbps 1000Base-ZX DWDM Single-mode Fiber 80km 1545.32nm Duplex LC Connector SFP Transceiver Module
SKU: FWLF1634RL40
Price: $1,826.84
FWLF1634RL56 - Finisar 4.25Gbps 1000Base-ZX DWDM Single-mode Fiber 80km 1532.68nm Duplex LC Connector SFP Transceiver Module
SKU: FWLF1634RL56
Price: $1,826.84
FTLX3811M320 - Finisar 10Gbps DWDM 10GBase-X Single-mode Fiber 80km 1561.42nm Duplex LC Connector XFP Transceiver Module
SKU: FTLX3811M320
Price: $3,477.87
DWDM-SFP10G-49.32-RF - Cisco Single-mode 10Gbps 10GBase-DWDM Fiber 80km 1549.32nm Duplex LC Connector SFP+ Transceiver Module
SKU: DWDM-SFP10G-49.32-RF
Price: $736.84
DWDM-SFP10G-49.32 - Cisco Single-mode 10Gbps 10GBase-DWDM Fiber 80km 1549.32nm Duplex LC Connector SFP+ Transceiver Module
SKU: DWDM-SFP10G-49.32
Price: $1,015.64
DWDM-SFP10G-32.68 - Cisco Single-Mode 10Gbps 10GBase-DWDM Fiber 80km 1532.68nm Duplex LC Connector SFP+ Transceiver Module
SKU: DWDM-SFP10G-32.68
Price: $1,071.76
DWDM-SFP-3268 - Cisco Single-Mode 1Gbps 1000Base-DWDM Fiber 80km 1532.68nm Duplex LC Connector SFP Transceiver Module
SKU: DWDM-SFP-3268
Price: $1,147.54
DWDM-GBIC-1532.68 - Cisco 1.25Gbps 1000Base-ZX DWDM Single-mode Fiber 80km 1532.68nm SC Connector GBIC Transceiver Module
SKU: DWDM-GBIC-1532.68
Price: $3,144.07
DWDM-XENPAK-32.68 - Cisco 10Gbps 10GBase-DWDM Single-Mode Fiber 80km 1532.68nm Duplex SC Connector XENPAK Transceiver Module
SKU: DWDM-XENPAK-32.68
Price: $3,836.14
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.