458785-B21 HP 2.50GHz 1333MHz FSB 12MB L2 Cache Intel Xeon

458785‑B21 Specifications

HP Intel® Xeon® E5420 Quad‑Core Server Processor Kit

Manufacturer: Hewlett‑Packard (HP)
Manufacturer Model: 458785‑B21
Product Line: Intel Xeon Processor Kit
Product Series: E5420 (Intel Xeon®)
Product Type: Server Processor Kit
Product Name: HP Intel Xeon E5420 2.50 GHz Quad‑Core

KEY FEATURES:
Clock Speed: 2.50 GHz
Front‑Side Bus (FSB): 1333 MHz
L2 Cache: 12 MB
Core Count: 4 (Quad‑Core)
Socket: LGA771
Process Node: 45 nm

PERFORMANCE:
Typical Power Dissipation (TDP): 80 Watts
Compatible with dual‑processor server platforms (when kit used)

ENVIRONMENTAL & RELIABILITY:
Status: End of Life / Discontinued
Designed for enterprise server/server‑class use

PHYSICAL:
Package Type: Processor kit including CPU and necessary mounting/kit components
Typical Dimensions: Socket LGA771 (37.5 mm × 37.5 mm die size)
Weight: Not specified