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Green circuit board with two RJ45 ports and a metal bracket

LORDWORLD

LORDWORLD Dual Port 2.5G PCIe Network Adapter

SKU CH-DXXB-544C3

Adds two 2.5Gbps RJ45 ports via a PCIe x1 slot for faster wired networking on desktop PCs

  • Adds two 2.5 Gbps RJ45 ports via PCIe x1
  • 5× faster than gigabit for large file transfers
  • Fits x1, x4, x8 and x16 slots on any desktop board
  • Includes low-profile and standard brackets for any chassis
  • Works with Windows 10, Windows 11 and Linux

Dual 2.5G RJ45 ports for desktop PCs

This LORDWORLD adapter adds two 2.5Gbps Ethernet connections through a single PCIe x1 slot. It suits desktop owners whose motherboard lacks enough wired ports or has a failed onboard controller. The card works in x1, x4, x8 or x16 slots and includes both low-profile and standard brackets for different chassis. Windows 10, Windows 11 and Linux are supported.

Passive cooling keeps noise at zero

The board has no fan, so it adds no audible noise to the system. Power draw is limited to what the PCIe slot provides, leaving the host power budget essentially unchanged. Full-duplex flow control (IEEE 802.3x) and VLAN tagging (IEEE 802.1Q) operate without extra thermal load. Auto MDIX handles cable polarity automatically.

Replaces a single gigabit port or a dead onboard NIC

The jump is worth it when you need 2.5GBASE-T throughput for faster file copies, HD streaming or low-latency gaming over wired links. It also solves a broken onboard port without replacing the motherboard. Not for buyers who need more than two ports, fibre connectivity or Wi-Fi capability.

How it compares

Measured against everything we stock in Tech Gadgets & Accessories, at today’s prices. Recalculated every night.

Price $71.99
Pricier than about 83% of the 5,998 comparable items (median $24.99).

Specifications

Product
Brand nameLORDWORLD

Questions about this item

How do I install the LORDWORLD Dual Port 2.5G PCIe Network Adapter, and what is the common mistake?

Insert the card into any PCI Express x1, x4, x8 or x16 slot and secure it with the matching low-profile or standard bracket. The mistake is trying to fit it into a legacy PCI slot, which is not compatible.

What maintenance or replacement will the adapter need later?

No scheduled maintenance is required. If a port fails or the controller dies, the whole card must be replaced because it has no user-serviceable parts or swappable modules.

What limit appears first under sustained 2.5 Gbps loads?

The PCIe 1x host interface caps total throughput at the lane's maximum, so combined traffic on both RJ45 ports cannot exceed that bandwidth ceiling.

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