Replacement for LAN8671B1-E-U3B: Drop-In Alternatives We Stock
Looking for a replacement for the LAN8671B1-E-U3B (Microchip LAN8671B1-E/U3B Technology Ethernet ICs 10BASE-T1S PHY Transceiver with RMII)? 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 LAN8671B1-E-U3B
| SKU | LAN8671B1-E-U3B |
|---|---|
| Product | Microchip LAN8671B1-E/U3B Technology Ethernet ICs 10BASE-T1S PHY Transceiver with RMII |
| Stock status | In Stock |
| Detail page | View LAN8671B1-E-U3B › |
Drop-in replacements for LAN8671B1-E-U3B
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.
LC-ED-10GEL-2Y - Force10 2-Port 10 Gigabit Ethernet LAN-PHY Line Card
SKU: LC-ED-10GEL-2Y
Price: $323.99
09J1GK - Dell Force10 LC-EF3-10GE-2P 2-Port 10GE XFP Card LAN/WAN PHY Line Card
SKU: 09J1GK
Price: $233.59
9J1GK - Dell Force10 LC-EF3-10GE-2P 2-Port 10GE XFP Card LAN/WAN PHY Line Card
SKU: 9J1GK
Price: $233.59
LC-EF3-10GE-2P - Force10 / Dell 2-Port 10GE XFP Card LAN/WAN PHY Line Card
SKU: LC-EF3-10GE-2P
Price: $357.09
14X10GBE-WL-XFP - Cisco 14-Port 10GbE LAN / WAN-PHY Interface Module for CRS-3
SKU: 14X10GBE-WL-XFP
Price: $5,728.92
J9536-61101 - HP Expansion Module - Ethernet, Fast Ethernet, Gigabit Ethernet - 10base-t, 100base-tx, 1000base-t - 20 Ports + 2 X Sfp+
SKU: J9536-61101
Price: $194.74
Dell 43VK9 PowerSwitch S4128F-ON 28-Ports 10GBase-X SFP+ 10 Gigabit Ethernet 2-Ports 100GBase-X QSFP28 100 Gigabit Ethernet Layer 3 Manageable 1U Rack-mountable Ethernet Switch
SKU: 43VK9
Price: $1,631.58
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.