638017-B21 HP 2.40GHz 5.86GT/s QPI 12MB L3 Cache Intel Xeon E5645

638017‑B21 Specifications

HP / HPE Intel Xeon E5645 2.40 GHz 6‑Core Server Processor

Manufacturer: HPE / Intel
Manufacturer Model: 638017‑B21
Product Line: HPE / ProLiant Server Upgrade Kit
Product Series: Intel Xeon E5645
Product Type: Internal Processor (CPU)
Product Name: Intel Xeon E5645 2.40 GHz 6‑Core Processor Kit

KEY FEATURES:
Cores / Threads: 6 cores / 12 threads
Clock Speed: 2.40 GHz
Interconnect (QPI): 5.86 GT/s QPI
Cache: 12 MB L3 Cache
Socket Type: LGA‑1366
Thermal Design Power (TDP): 80 W
Technology: 32 nm, Intel Westmere‑EP architecture
Compatibility: Designed for HPE ProLiant DL170e G6 servers (and other compatible LGA‑1366 server motherboards)

PERFORMANCE:
Base Clock Speed: 2.40 GHz
Cores / Threads: 6 / 12 — supports multithreaded workloads and server virtualization
L3 Cache: 12 MB — helps performance for multitasking / server loads
Interconnect: 5.86 GT/s QPI — supports high data bandwidth between CPU and memory/subsystems
Typical Thermal / Power: 80 W — for efficient power & thermal management

ENVIRONMENTAL & RELIABILITY:
Operating Environment: According to server manufacturer’s thermal / power design (typical server operating conditions)
Reliability: Server‑class CPU suitable for enterprise / datacenter use

PHYSICAL:
Form Factor: Processor chip for LGA‑1366 socket
Pins / Interface: LGA‑1366
Installation: Socketed CPU — for installation in compatible server motherboard