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Green PCB network card with silver RJ45 port and gold PCIe x1 edge connector

SMUGDESK

SMUGDESK 2.5G PCIe Ethernet Network Card RTL8125

SKU CH-ZTD6-X6M5R

Adds a single RJ45 port delivering 2.5G wired speeds up to 2500Mbps via PCIe x1 slot

  • Stable 2.5G transmission via RTL8125 chip
  • Easy PCIe X1 installation on most desktops
  • Backward compatible 10/100/1000Mbps auto-negotiation
  • Low power design reduces packet loss and delay
  • Ideal for NAS, gaming PC and server expansion

2.5G PCIe Network Card

The SMUGDESK 2.5G PCIe Ethernet Network Card uses the RTL8125 controller to add a single 2500Mbps RJ45 port to a desktop or small server. It fits a standard PCIe X1 slot and works with common CAT5e or CAT6 cabling. The card targets users who need more wired bandwidth than a typical 1Gbps onboard port provides.

Backward-compatible RJ45 port

The single copper port auto-negotiates at 10, 100, 1000 or 2500Mbps, so existing cables and switches remain usable. Lower power draw and reduced heat help limit packet loss and latency during sustained transfers. Driver support covers mainstream Windows and Linux distributions without extra software bundles.

Desktop and small-server upgrades

This card suits builders adding faster LAN to a NAS, gaming PC, workstation or industrial host that has a free PCIe X1 slot. Buyers who need multiple ports, fibre connectivity or Wi-Fi capability should look at a different adapter.

Highlights

  • Stable 2.5G transmission via RTL8125 chip
  • Easy PCIe X1 installation on most desktops
  • Backward compatible 10/100/1000Mbps auto-negotiation
  • Low power design reduces packet loss and delay
  • Ideal for NAS, gaming PC and server expansion

Specifications

No published specifications for this item yet.

Questions about this item

Will the RTL8125 chip on this card need a firmware update later?

The RTL8125 controller handles 2.5G speeds in hardware; driver updates from the OS vendor are the normal maintenance path.

What speed ceiling appears first when the link runs at 2500Mbps continuously?

The single RJ45 port negotiates up to 2500Mbps, so the port itself is the throughput limit under sustained load.

How much heat or noise does the card produce during all-day operation?

The design targets low power consumption and heat generation with no fan, so it runs silently and stays cool.

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