HPE P51178-B21 Internal Wired PCI Express Ethernet Network Interface Card

Network performance bottlenecks can cripple your server workloads, especially when multiple users demand reliable connectivity. The HPE P51178-B21 Internal Wired PCI Express Ethernet Network Interface Card is a plug-in PCIe card that adds four Gigabit Ethernet ports to any compatible server, giving you the bandwidth and stability needed for demanding applications.

Benefits of HPE Network Card

You gain lower CPU load thanks to off-load features, which keeps your system responsive during heavy traffic. The built-in security verifies firmware signatures, protecting you from rogue updates. With four ports, you enjoy flexible cabling options and redundancy for uninterrupted service. The card’s reliable silicon reduces downtime, giving you peace of mind for long-term operation.

Key Features of a 1Gbps Network Card

• Colour Category: Silver. A sleek finish that matches typical server chassis.
• Ports: Gigabit Ethernet x 4. Four separate connections for high-speed networking.
• Connectivity Technology: Wired. Stable, interference-free links.
• Flow control: Enabled. Prevents packet loss during bursts.
• ACPI support: Present. Allows power management integration.
• UEFI PXE Boot: Supported. Enables network booting on modern firmware.
• Legacy BIOS PXE Boot: Supported. Works with older boot environments.
• IPv4 support: Included. Full compatibility with standard IP networks.
• IPv6 support: Included. Future-proofed for modern addressing.
• RSS: Enabled. Distributes traffic across CPU cores for efficiency.
• TSO: Enabled. Improves throughput by off-loading segmentation.
• Limited root of trust: Implemented. Adds an extra layer of firmware integrity.

Usages of a 1Gbps Network Card

You can rely on this card in typical server setups:

• Connecting virtualised hosts to high-speed storage networks.
• Providing dedicated links for backup and replication traffic.
• Supplying separate LAN segments for security zones.
• Enabling network boot for thin clients in a lab environment.
• Supporting clustered applications that need low-latency communication.

Why Choose HPE Network Card

Many buyers worry about compatibility and whether a network card will really reduce CPU overhead. They also fear firmware tampering and the cost of maintaining multiple NICs. This card addresses those concerns with PCI Express 2.0 x4 compatibility, four built-in ports, and extensive off-load capabilities that keep the processor free for core tasks. Its root-of-trust firmware verification ensures only trusted updates are applied, eliminating the risk of rogue code. By delivering 1 Gbps per port with robust security and management features, it offers a balanced solution for reliable, high-performance networking.

Specifications