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Green circuit board with silver bracket and two RJ45 ports

Intel

Intel E1G42ET dual-port PCI-Express network card

SKU CH-1WWN-EMK28 MPN E1G42ET

Dual-port Gigabit server adapter with two RJ45 connectors on a PCI Express x4 plug-in card

  • Speed10/100/1000Mbps
  • Connectors2 x RJ45
  • InterfacePCI-Express
  • FeaturesHost Interface: PCI Express x4Total Number of Ports: 2Number
  • Dimensions2.68" x 6.59"
  • Weight20
  • Gigabit throughput with 10/100/1000 Mbps speeds
  • Two RJ45 ports for redundant or aggregated links
  • PCI Express x4 host interface for server-grade bandwidth
  • Low-profile plug-in card fits 120 mm height slots
  • Compact 167.4 mm × 68.1 mm footprint saves chassis space

Dual-port Gigabit server adapter

The Intel E1G42ET adds two RJ-45 Gigabit Ethernet ports through a single PCI Express x4 slot. It supports 10, 100 and 1000 Mbps operation on twisted-pair copper cabling. The plug-in card form factor fits standard low-profile and full-height brackets. This adapter targets servers and workstations that need extra wired network links.

Suited for copper uplinks, not fibre

Administrators expanding a rack server with additional 1000Base-T connections will find the dual-port layout convenient. Environments that require SFP+ cages, 10 Gbps speeds or Power over Ethernet must select a different adapter. The card also lacks integrated wireless or Bluetooth functionality.

PCI Express x4 host interface decides fit

The card requires an open PCI Express x4 (or larger) slot and negotiates at x4 electrical width. Verify the motherboard or riser provides that slot type before purchase. Physical dimensions are 4.7 inches by 6.6 inches by 2.7 inches.

Highlights

  • Gigabit throughput with 10/100/1000 Mbps speeds
  • Two RJ45 ports for redundant or aggregated links
  • PCI Express x4 host interface for server-grade bandwidth
  • Low-profile plug-in card fits 120 mm height slots
  • Compact 167.4 mm × 68.1 mm footprint saves chassis space

Specifications

BrandIntel
ModelE1G42ET
Speed10/100/1000Mbps
Connectors2 x RJ45
InterfacePCI-Express
FeaturesHost Interface: PCI Express x4Total Number of Ports: 2Number of Network (RJ-45) Ports: 2Network Technology: 10/100/1000Base-TForm Factor: Plug-in CardHeight: 4.7" (120 mm)Width: 6.6" (167.4 mm)Thickness: 2.7" (68.1 mm)Weight (Approximate): 453.6 gPackage Contents: Gigabit ET Dual Port Server AdapterInformational CDBracketAssembly Required: NoGreen Compliant: YesGreen Compliance Certificate/Authority: RoHSCountry of Origin: MalaysiaLimited Warranty: Lifetime
Dimensions2.68" x 6.59"
Weight20
Shipping weight0.18 kg
Package size224 × 140 × 30 mm

Questions about this item

Should I pick the dual-port version or look for a single-port alternative?

This card provides two RJ45 ports on one PCI Express x4 slot, so a single card handles two Gigabit links and saves an expansion slot compared with two single-port adapters.

What does the 1000 Mbps rating deliver in a live server?

Each port runs at full Gigabit line rate — 1000 Mbps — giving up to 2 Gbps aggregate throughput when both ports are active, limited only by the PCIe x4 host bus and system CPU.

Does the PCI Express x4 interface cap real-world speed?

The x4 host interface supplies ample bandwidth for dual Gigabit traffic, so the link itself does not throttle the 1000 Mbps per port; the practical ceiling is the cabling and switch capability.

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