HPE Ethernet 640SFP28 Adapter
Top Pick
Hewlett Packard Enterprise

HPE Ethernet 640SFP28 Adapter

4.6

Best high speed networking solution for enterprise data centers.

A robust dual-port adapter engineered for high-density server environments. It delivers the necessary bandwidth for demanding data center applications while maintaining reliable, low-latency connectivity through optical fiber interfaces.

Who it's for

  • Data center managers needing efficient bandwidth for high-traffic workloads
  • System administrators optimizing server performance for virtualized applications
  • Security-conscious IT professionals protecting sensitive enterprise infrastructure

Who should skip it

  • Infrastructure leads managing diverse hardware fleets from multiple vendors
  • Budget-constrained small businesses looking for basic networking solutions
  • Technicians maintaining dense server racks with limited cooling capacity

Performance breakdown

Data Throughput

Dual 25Gbps ports handle massive data loads with impressive efficiency.

Excellent

Latency Performance

Optimized architecture ensures minimal delays for time-sensitive enterprise applications.

Excellent

Connectivity Versatility

Flexible support for both 10Gbps and 25Gbps speeds adapts to infrastructure.

Excellent

Build Reliability

Enterprise-grade construction designed for continuous, high-stress server room operation.

Excellent

Integration Ease

Standard PCIe interface allows for straightforward installation in most server racks.

Excellent

Signal Integrity

Optical fiber support ensures clean, stable transmission over longer cable runs.

Excellent

Key Specs

Interface Type

PCI Express 3.0 x8

Number of Ports

2

Form Factor

Plug-in Card

Wired Port Type

Optical Fiber

Supported Speeds

10Gbps, 25Gbps

Weight

0.5 lbs

Dimensions

8.70 x 9.90 x 2.50 inches

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