4-Port PCIe Gigabit Network Adapter Card

Add four Gigabit Ethernet ports to a client, server or workstation through one PCI Express slot

Product ID: ST1000SPEX43

  • Add four independent Gigabit RJ45 ports to connect to multiple networks for high-bandwidth workstations and servers
  • Realtek RTL8111G chipset for reliable performance
  • Supports full-duplex flow control
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  • Wake-on-LAN and remote wake-up support
  • Fully compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab networks
  • Supports autonegotiation with next-page capacity
  • Crossover detection and auto-correction (Auto-MDIX)
  • Up to 9K jumbo frame support
  • Support for IEEE 802.1Q VLAN tagging and IEEE 802.1P layer 2 priority encoding
  • Microsoft NDIS5 checksum offload (IP, TCP, UDP) and large send offload support
299,99 € EUR exc VAT
368,99 € EUR inc VAT
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Now you can add four separate Gigabit network ports to your client, server or workstation through just one PCI Express slot, to provide connectivity to multiple networks without draining your budget.

Reliable connectivity to multiple networks

This 4-port network card delivers powerful connectivity for your business, corporate or government office environment, with support for high-performance, 4-channel networking and a maximum throughput of up to 1000Mbps in each direction (2000 Mbps total). The network adapter card features the Realtek RTL8111G chipset, which is designed to deliver the performance and enhanced capabilities you need for reliable network connections to your server or computer. 

A versatile and cost-effective solution

This versatile quad-port network card is ideal for many business applications requiring upgrades to servers or workstations, adding feature-rich Gigabit networking with four independent ports. Compatible with a broad range of operating systems, this cost-effective PCIe Gigabit NIC is suitable for many SMB and Enterprise applications such as virtualized environments that require multiple NICs (check your VM software for chipset compatibility).

The ST1000SPEX43 is backed by a 2-year hardware warranty and free lifetime technical support.


Provides simultaneous access to multiple networks for desktop PC clients, servers, and workstations that have a limited number of PCI Express slots available

Maximizes the number of RJ45 ports within a system or high-end workstations and servers

Ideal for VM environments with multiple operating systems, requiring shared or dedicated NICs

Provides redundant connectivity to ensure an uninterrupted network connection

Technical Specifications

Warranty Information
Warranty 2 Years
Bus Type PCI Express
Card Type Standard Profile
Chipset ID Realtek - RTL8111G
Industry Standards Compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Interface RJ45 (Gigabit Ethernet)
Ports 4
Auto MDIX Yes
Compatible Networks 10/100/1000 Mbps
Full Duplex Support Yes
Jumbo Frame Support 9K max.
Maximum Data Transfer Rate 2000Mbps (Full Duplex)
Promiscuous Mode Yes
Connector Type(s) 1 - PCI Express x4 Male
External Ports 4 - RJ-45 Female
OS Compatibility Windows® XP, 7, 8, 8.1, 10
Windows Server® 2003, 2012, 2016
Linux Kernel 2.4.x to 4.11.x LTS Versions only
Special Notes / Requirements
System and Cable Requirements Available PCI Express x4 or higher (x8, x16) slot
LED Indicators 4 - Link
4 - Activity
Humidity 5% ~ 95% RH
Operating Temperature 0°C to 55°C (32°F to 131°F)
Storage Temperature -40°C to 75°C (-40°F to 167°F)
Physical Characteristics
Color Yellow
Product Height 18 mm [0.7 in]
Product Length 138 mm [5.4 in]
Product Weight 95 g [3.4 oz]
Product Width 120 mm [4.7 in]
Packaging Information
Shipping (Package) Weight 184 g [6.5 oz]
What's in the Box
Included in Package 1 - PCIe Gigabit network card - 4 port


View full OS compatibility
Windows® XP, 7, 8, 8.1, 10
Windows Server® 2003, 2012, 2016
Linux Kernel 2.4.x to 4.11.x LTS Versions only


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