N-660 PCIe 4-Port 2.5G 4-Speed Network Adapter

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2019/06/17
  • 4x 2.5GbE RJ45 Ports
  • PCIe 2.0 x4 Form Factor
  • Wake-on-LAN
  • Ordering Code: N-660
  • Part No: NE-R26-2410-00-00012
  • Solution: Realtek RTL8125B

Designed for high-density industrial PCs and network infrastructure, the N-660 PCIe 4-Port 2.5G 4-Speed Multi-Gigabit Network Adapter offers high-throughput, reliable connectivity. Powered by four Realtek RTL8125B controllers, this network adapter features four 2.5GbE RJ45 ports over a PCIe 2.0 x4 interface, delivering an efficient path to upgrade existing 1GbE networks to 2.5GbE speeds. Built for demanding enterprise environments, it supports 16K Jumbo Frames to significantly optimize data transfer efficiency while minimizing CPU overhead. Advanced features including Energy Efficient Ethernet (EEE) reduce operational power consumption, and hardware-based NDIS5 and NDIS6 Checksum Offload ensure robust protocol processing. This low-latency solution provides system integrators with maximum network scalability and reliability for next-generation edge deployment.

Features

  • Supports PCI Express 2.0
  • Supports 10/100/1000/2500 Mbps Ethernet
  • Supports WOL (only port 1)
  • Supports Preboot eXecution Environment (PXE)
  • Fully Compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
  • LED indicators indicate status of link/activity and speed
  • 16K Jumbo Frames
Ordering CodeN-660
DescriptionPCIe 4-Port 2.5G 4-Speed Network Adapter
SolutionRealtek RTL8125B
Form FactorPCIe 2.0 x4
Bus Widthx4 lane PCI Express
OS Driver SupportWindows 7/8.x/10/11 Windows Server 2008 R2/2012R2/2016/2019 Linux 4.x or later FreeBSD
Connectors4x 2.5GbE RJ45 Ports
Data Rates2.5Gb/1Gb/100Mb/10Mb Ethernet
Support Low-Profile BracketYes
Operating Temperature0℃ – 60℃
Storage Temperature-20℃ – 70℃
EMC StandardsCE, FCC
Dimensions180.3L x 120.9W x 21.6H mm
Package Contents1x PCIe 4-Port 2.5G 4-Speed Network Adapter 1x Low-Profile Bracket 1x User Manual
Packing InformationRetail Box Packing 40 pcs/Carton Measurment: 60L x 48.5W x 34.5H cm G.W: 10 Kg ; N.W: 9 Kg

Manual :

N-660 User Manual 2019/06/17
↧ Download

Driver :

RTL_PCIe_GBE_FE_FreeBSD.zip 2026/08/20
↧ Download
RTL_PCIe_GBE_FE_Linux.zip 2026/08/20
↧ Download
RTL_PCIe_GBE_FE_Windows.zip 2026/08/20
↧ Download

Questions & Answers :

Q: On Linux systems, when installing an RTL8125 series Ethernet adapter, the network interface may not be detected, or the network icon may disappear. How can this issue be resolved
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Q: Port Order Changes and IP Configuration Issues on Realtek Multi-Port (4-Port) PCIe NICs
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