Replacement for 3CSFP81: Drop-In Alternatives We Stock
Looking for a replacement for the 3CSFP81 (3CSFP81 - 3Com 100Mb/s 100Base-FX Multi-Mode Fiber 2km 1310nm 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 3CSFP81
| SKU | 3CSFP81 |
|---|---|
| Product | 3CSFP81 - 3Com 100Mb/s 100Base-FX Multi-Mode Fiber 2km 1310nm LC Connector SFP Transceiver Module |
| Current price | $118.68 |
| Stock status | In Stock |
| Detail page | View 3CSFP81 › |
Drop-in replacements for 3CSFP81
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-1D-ACC - Accortec 100Mb/s 100Base-FX Multi-Mode Fiber 2km 1310nm LC Connector SFP Transceiver Module
SKU: SFP-1D-ACC
Price: $108.30
TN-SFP-OC3MB1 - Transition 100Mbps 100Base-FX Multi-mode Fiber 2km 1310nm TX/1550nm RX SC Connector 2km Transceiver Module
SKU: TN-SFP-OC3MB1
Price: $301.12
TN-GLC-FE-100FX - Transition Network 100Mb/s 100Base-FX Multi-Mode Fiber 2km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: TN-GLC-FE-100FX
Price: $105.26
MFEFX1 - Cisco 100Mb/s 100Base-FX Multi-Mode Fiber 2km 1310nm Duplex LC Connector SFP (mini-GBIC) Transceiver Module
SKU: MFEFX1
Price: $150.71
ISFP-100-MM-ACC - Accortec 100Mb/s 100Base-FX Multi-Mode Fiber 2km 1310nm LC Connector SFP Transceiver Module for Alcatel-Lucent Compatible
SKU: ISFP-100-MM-ACC
Price: $165.79
GP-SFP2-1F-ACC - Accortec 100Mb/s 100Base-FX Multi-Mode Fiber 2km 1310nm Duplex LC Connector SFP Transceiver Module for Force10 Compatible
SKU: GP-SFP2-1F-ACC
Price: $165.79
MGBIC-LC04-ACC - Accortec 100Mb/s 100Base-FX Multi-Mode Fiber 2km 1310nm Duplex LC Connector SFP (mini-GBIC) Transceiver Module for Enterasys Compatible
SKU: MGBIC-LC04-ACC
Price: $167.53
MGBIC-N-LC04-ACC - Accortec 100Mb/s 100Base-FX Multi-Mode Fiber 2km 1310nm LC Connector SFP Transceiver Module
SKU: MGBIC-N-LC04-ACC
Price: $169.11
DEM-211 - D-Link 100Mb/s 100Base-FX Multi-Mode Fiber 2km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: DEM-211
Price: $176.01
GLC-GE-100FX-RF - Cisco 100Mb/s 100Base-FX Multi-Mode Fiber 2km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-GE-100FX-RF
Price: $202.47
33224-100 - Brocade 100Mb/s 100Base-FX Multi-Mode Fiber 2km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: 33224-100
Price: $226.09
GLC-FE-100FX-RF - Cisco 100Mb/s 100Base-FX Multi-Mode Fiber 2km 1310nm Duplex LC Connector SFP Transceiver Module
SKU: GLC-FE-100FX-RF
Price: $274.75
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.