Alternative to FWLF-1631-31: Better-Value Equivalents in Stock
Comparing the FWLF-1631-31 (FWLF-1631-31 - Finisar 2.7Gbps DWDM Single-mode Fiber 80km 1552.52nm 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-1631-31
| SKU | FWLF-1631-31 |
|---|---|
| Product | FWLF-1631-31 - Finisar 2.7Gbps DWDM Single-mode Fiber 80km 1552.52nm SFP Transceiver Module |
| Current price | $1,222.64 |
| Stock status | In Stock |
| Detail page | View FWLF-1631-31 › |
Alternatives to FWLF-1631-31
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.
FWLF-1631-23 - Finisar 2.7Gbps DWDM Single-mode Fiber 80km 1558.98nm SFP Transceiver Module
SKU: FWLF-1631-23
Price: $1,222.64
FWLF-1631-27 - Finisar 2.7Gbps DWDM Single-mode Fiber 80km 1555.75nm SFP Transceiver Module
SKU: FWLF-1631-27
Price: $1,222.64
FWLF-1631-32 - Finisar 2.7Gbps DWDM Single-mode Fiber 80km 1551.72nm SFP Transceiver Module
SKU: FWLF-1631-32
Price: $1,222.64
FWLF-1631-36 - Finisar 2.7Gbps DWDM Single-mode Fiber 80km 1548.51nm SFP Transceiver Module
SKU: FWLF-1631-36
Price: $1,222.64
FWLF-1631-37 - Finisar 2.7Gbps DWDM Single-mode Fiber 80km 1547.72nm SFP Transceiver Module
SKU: FWLF-1631-37
Price: $1,222.64
FWLF-1631-55 - Finisar 2.7Gbps DWDM Single-mode Fiber 80km 1533.47nm SFP Transceiver Module
SKU: FWLF-1631-55
Price: $1,222.64
FWLF-1631-33 - Finisar 2.7Gbps DWDM Single-mode Fiber 80km 1550.92nm SFP Transceiver Module
SKU: FWLF-1631-33
Price: $1,222.71
FWLF-1631-21 - Finisar 2.7Gbps DWDM Single-mode Fiber 80km 1560.61nm SFP Transceiver Module
SKU: FWLF-1631-21
Price: $1,240.33
FTR-1631-30 - Finisar 2.7Gbps DWDM Single-mode Fiber 160km 1553.33nm GBIC Transceiver Module
SKU: FTR-1631-30
Price: $168.78
FWLF1634RL31 - Finisar 4.25Gbps 1000Base-ZX DWDM Single-mode Fiber 80km 1552.52nm Duplex LC Connector SFP Transceiver Module
SKU: FWLF1634RL31
Price: $1,826.84
FWLF1634RL58 - Finisar 4.25Gbps 1000Base-ZX DWDM Single-mode Fiber 80km 1531.12nm Duplex LC Connector SFP Transceiver Module
SKU: FWLF1634RL58
Price: $1,826.84
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.