Note: We ship Part# 457941-B21 with the appropriate Voltage Regulator Module (VRM) and Heat Sink. (The full Processor Option Kit)
Note: Newer Proliant servers have the VRM built into the system board. It is not replaceable and not included in the processor option kit.
Overview: This industry's first quad-core processor for mainstream servers provides breakthrough performance and capabilities for the ultimate in powerful dense and energy efficient servers. With the Quad-Core Intel Xeon processor you get breakthrough performance - up to 50% greater than the industry-leading Dual-Core Intel Xeon processor in the same power envelope.