Description
The Digifusion PEMSP02 is a high-performance networking solution designed to maximize port density without sacrificing valuable expansion slot space. Built on the proven Intel 82576 controller, this quad-port Gigabit adapter ensures reliable data transmission and energy efficiency through IEEE 802.3az support. It serves as an essential upgrade for users needing to bridge multiple networks or provide dedicated bandwidth for virtual machines and server applications.
This product is for:
- IT Professionals managing small-to-medium business servers requiring redundant network links.
- Virtualization enthusiasts using Proxmox or VMware who need dedicated physical NICs for different virtual machines.
- Network administrators setting up hardware firewalls or software-defined routers like pfSense or OPNsense.
- Workstation users needing to connect to multiple isolated local area networks simultaneously.
- System integrators building compact industrial PCs that require multiple LAN ports in a low-profile form factor.
Detailed specifications:
- Chipset: Intel 82576
- Interface: PCI-Express 1X (Compatible with 2X, 4X, 8X, 16X slots; PCI-E 1.0/2.0/3.0)
- Ports: 4 x RJ-45 Gigabit Ethernet
- Data Rate: 10/100/1000 Mbps per port
- Standards: IEEE 802.3, 802.3u, 802.3ab, 802.3az (Energy Efficient Ethernet), 802.1Q VLAN
- Features: Jumbo Frame support, Full Duplex mode, LED activity indicators
- OS Compatibility: Windows 10/8.1/8/7, Windows Server 2008R2 to 2016, Linux Kernel 2.4 to 4.x
- Physical: Includes standard and Low Profile brackets
Installing the PEMSP02 is straightforward thanks to its PCI-E 1X design, which fits into any available expansion slot regardless of length. In testing, the Intel 82576 chipset demonstrates excellent driver stability across both Windows Server and Linux environments. The inclusion of a low-profile bracket makes it versatile for 2U rackmount servers or small form factor (SFF) desktops. Users will appreciate the consistent throughput and low CPU overhead, making it ideal for high-traffic scenarios where packet loss is not an option.
Compared to standard single-port or dual-port NICs, the PEMSP02 quadruples connectivity while occupying only one PCI-E lane. While consumer-grade Realtek-based cards are common for basic tasks, the Intel 82576 chipset used here offers superior hardware-level offloading and better compatibility with enterprise-grade hypervisors. Unlike USB-to-Ethernet adapters, this PCI-E card provides dedicated bandwidth per port and significantly lower latency, which is critical for server-side applications and stable network bridging.
Q&A:
- Does this card support VLAN tagging? Yes, it supports IEEE 802.1Q VLAN, though please note that current Windows 10 environments may have driver limitations regarding specific VLAN configuration tools.
- Can I use this in a slim or SFF PC? Yes, the package includes a Low Profile bracket specifically for small form factor chassis and 2U server cases.
- Is it compatible with PCI-E 4.0 slots? Yes, the card is backward and forward compatible with PCI-E 1.0, 2.0, 3.0, and 4.0 slots of any length from 1X to 16X.
- Does it support Jumbo Frames? Yes, the PEMSP02 supports large packet transmission to improve efficiency and reduce CPU overhead during high-speed data transfers.
- What do the LED lights indicate? The integrated LEDs provide real-time visual feedback on link status and data transmission activity for each of the four ports independently.
