Replacement for 3CSFP9-81: Drop-In Alternatives We Stock
Looking for a replacement for the 3CSFP9-81 (3CSFP9-81 - 3Com 100Mb/s 100Base-FX 1310nm 2Km 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 3CSFP9-81
| SKU | 3CSFP9-81 |
|---|---|
| Product | 3CSFP9-81 - 3Com 100Mb/s 100Base-FX 1310nm 2Km SFP Transceiver Module |
| Current price | $273.59 |
| Stock status | In Stock |
| Detail page | View 3CSFP9-81 › |
Drop-in replacements for 3CSFP9-81
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.
3CSFP81 - 3Com 100Mb/s 100Base-FX Multi-Mode Fiber 2km 1310nm LC Connector SFP Transceiver Module
SKU: 3CSFP81
Price: $118.68
45W2814 - IBM 100Mbps 100Base-FX Multi-mode Fiber 2km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: 45W2814
Price: $85.42
45W2818AO - Addonics 100Mbps 100Base-FX Multi-mode Fiber 2km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: 45W2818AO
Price: $105.11
45W2818 - IBM 100Mbps 100Base-FX Multi-mode Fiber 2km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: 45W2818
Price: $111.04
45W2818-ACC - Accortec 100Mbps 100Base-FX Multi-mode Fiber 2km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: 45W2818-ACC
Price: $111.12
3CSFP81-ACC - Accortec 100Mbps 100Base-FX Multi-mode Fiber 2km 1310nm LC Connector SFP Transceiver Module
SKU: 3CSFP81-ACC
Price: $125.17
45W2814AO - Addonics 100Mbps 100Base-FX Multi-mode Fiber 2km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: 45W2814AO
Price: $127.88
45W2814-ACC - Accortec 100Mbps 100Base-FX Multi-mode Fiber 2km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: 45W2814-ACC
Price: $127.99
3CSFP81AO - Addonics 100Mbps 100Base-FX Multi-mode Fiber 2km 1310nm LC Connector SFP Transceiver Module
SKU: 3CSFP81AO
Price: $131.11
AA1419081-E6 - Avaya / Nortel 100Base-FX SFP+ 1310nm 2KM Transceiver Module
SKU: AA1419081-E6
Price: $330.05
3CSFP9-81-ACC - Accortec 100Mb/s 100Base-FX 1310nm Transceiver Module
SKU: 3CSFP9-81-ACC
Price: $208.42
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.