Replacement for FTLF1321P1BTL: Drop-In Alternatives We Stock
Looking for a replacement for the FTLF1321P1BTL (FTLF1321P1BTL - Finisar 2.67Gb/s OC-48 SR/STM I-16 SONET Single-mode Fiber 2km 1310nm Duplex LC Connector SFP Transceiver Module)? Pro Disk Network ships drop-in replacements and equivalent modern parts from US inventory. Every alternate below is in-stock today with same-day shipping for orders placed before 2pm ET. If your unit is still under warranty, contact our engineering team — we offer cross-shipping for B2B customers on Net 30 terms.
About the FTLF1321P1BTL
| SKU | FTLF1321P1BTL |
|---|---|
| Product | FTLF1321P1BTL - Finisar 2.67Gb/s OC-48 SR/STM I-16 SONET Single-mode Fiber 2km 1310nm Duplex LC Connector SFP Transceiver Module |
| Current price | $199.32 |
| Stock status | In Stock |
| Detail page | View FTLF1321P1BTL › |
Drop-in replacements for FTLF1321P1BTL
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.
SFP-MR27D-MMX - Gigatech MRV Multirate OC-3c/STM-1 OC-12/STM-4 OC-48/STM-16/2.5G SONET 2km 1310nm SFP Transceiver Module
SKU: SFP-MR27D-MMX
Price: $157.26
FTLF1421S1XCL - Finisar Multirate OC-3c/STM-1 OC-12/STM-4 OC-48/STM-16/2.5G SONET 10km 1310nm SFP Transceiver Module
SKU: FTLF1421S1XCL
Price: $398.91
FTLF1521P1XCL - Finisar Multirate OC-3c/STM-1 OC-12/STM-4 OC-48/STM-16/2.5G SONET 15km 1550nm SFP Transceiver Module
SKU: FTLF1521P1XCL
Price: $548.63
ONS-SE-2G-S1-RF - Cisco 2.5Gbps 2.5GBase OC-48/STM-16/2.5G SONET SR Single-mode Fiber 2km 1310nm LC Connector SFP Transceiver Module
SKU: ONS-SE-2G-S1-RF
Price: $699.95
ONS-SE-2G-S1 - Cisco Single-Mode 2.5Gbps 2.5GBase OC-48/STM-16/2.5G SONET SR Fiber 2km 1310nm LC Connector SFP Transceiver Module
SKU: ONS-SE-2G-S1
Price: $787.07
SFP-MR27D-SR1 - Gigatech MRV Multirate OC-3c/STM-1 OC-12/STM-4 OC-48/STM-16/2.5G SONET 40km 1310nm SFP Transceiver Module
SKU: SFP-MR27D-SR1
Price: $157.26
FTLF1421P1BCL - Finisar SONET 2.67Gbps OC-48 IR-1/STM S-16.1 Single-Mode Fibre 15km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: FTLF1421P1BCL
Price: $200.82
FTLF1621P2BCL - Finisar SONET 2.67Gbps OC-48 LR-2 / SDH STM L-16.2 Single-Mode Fibre 80km 1550nm Duplex LC Connector SFP Transceiver Module
SKU: FTLF1621P2BCL
Price: $359.66
100-01783 - Calix 2.5Gbps 1000Base-BX-D SONET OC-48/STM-16 IR Single-mode Fiber 20km 1490nmTX/1310nmRX SC Connector GPON SFP Transceiver Module
SKU: 100-01783
Price: $243.74
1442705PG2 - ADTRAN 2.5GBase OC-48/STM-16/2.5G SONET BX-U Single-Mode Fiber 15km TX-1310nm/RX-1550nm LC Connector SFP Transceiver Module
SKU: 1442705PG2
Price: $288.11
How we pick replacements
Every recommendation above was selected using these criteria:
- Drop-in compatibility — same form factor (2.5"/3.5", PCIe slot, SFP port, etc.), so it fits the original chassis without modification
- Equivalent or better performance — matched on RPM/IOPS/speed/throughput, never downgraded
- Same-brand-preferred — we list the OEM-equivalent first when available, then trusted aftermarket
- Warranty coverage — 90-day Pro Disk warranty on every part, with 1-year option for B2B
- In stock today — never recommend a part that is on backorder
Need help confirming compatibility?
Our engineers validate every replacement against your specific server, switch, or chassis model before shipment. Email sales@prodisknetwork.com with your platform model (e.g., Dell PowerEdge R740, HP DL380 Gen10, Cisco Catalyst 9300) and we will confirm the exact part number that drops into your hardware.