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Green circuit board with four RJ-45 ports and gold PCIe edge connector

DELL

DELL HM9JY 4-port Gigabit Ethernet network card

SKU CH-6HJ2-M95NP MPN HM9JY

Four-port Gigabit Ethernet PCI Express card adds 10/100/1000Base-T RJ-45 connections to a PC

  • Speed10/100/1000Base-T
  • Connectors10/100/1000Base-T
  • InterfacePCI-Express
  • Weight1
  • Four RJ-45 ports for multiple wired connections
  • PCI Express interface fits modern desktop slots
  • 10/100/1000Base-T supports up to gigabit speeds
  • Plug-in card form factor installs inside a PC
  • Intel Pro/1000 chipset handles network traffic

Four-port PCIe Gigabit adapter

This Dell HM9JY card adds four RJ-45 Gigabit Ethernet ports through a single PCI Express slot. It suits servers or workstations that need extra wired links for virtualisation, storage traffic or network segmentation.

Plug-in card with twisted-pair ports

The board uses a standard plug-in form factor and connects to Cat5e or better twisted-pair cabling. Each port auto-negotiates at 10, 100 or 1000 Mbps so existing copper runs work without rewiring.

Check slot and driver support

Verify the host has a free PCI Express slot and that the operating system includes or can load drivers for the Intel Pro/1000 controller. Systems without an available slot or compatible driver stack cannot use this card.

Highlights

  • Four RJ-45 ports for multiple wired connections
  • PCI Express interface fits modern desktop slots
  • 10/100/1000Base-T supports up to gigabit speeds
  • Plug-in card form factor installs inside a PC
  • Intel Pro/1000 chipset handles network traffic

Specifications

BrandDell
ModelIntel Pro/1000
Speed10/100/1000Base-T
Connectors10/100/1000Base-T
InterfacePCI-Express
Weight1
Shipping weight1.13 kg
Package size25 × 25 × 25 mm

Questions about this item

What maximum link speed does the PCI-Express interface allow the four RJ-45 ports to reach?

Each port negotiates 10, 100 or 1000 Mb/s over twisted pair; the PCI-Express host bus provides enough bandwidth for all four to run at 1000 simultaneously.

What slot size and bracket height does the plug-in card need to sit in a PC?

The card fits a standard PCI-Express slot and uses a full-height bracket with four RJ-45 cut-outs.

How do you seat the card and where do most builders forget to connect?

Power off the PC, insert the card firmly until the bracket screw holes line up, secure the screw, then attach all four Ethernet cables — the step often missed is fastening the bracket screw before cabling.

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