81Y6529 IBM 2.93GHz 5.86GT/s QPI 12MB L3 Cache Intel Xeon X5647

81Y6529 Specifications

Intel Xeon E5640 2.66 GHz 4‑Core Server Processor

Manufacturer: Intel (OEM for IBM/Lenovo)
Manufacturer Model: 81Y6529
Product Line: Intel Xeon Processor
Product Series: Intel Xeon 5000 Series
Product Type: Server CPU / Processor
Product Name: Intel Xeon E5640 2.66 GHz Quad‑Core Processor

KEY FEATURES:
Processor Model: Intel Xeon E5640
Clock Speed: 2.66 GHz
Cores / Threads: 4 Cores / 8 Threads
Cache (L3): 12 MB
Socket Type: FCLGA1366
Instruction Set: 64‑bit
Thermal Design Power (TDP): 80 W
QuickPath Interconnect (QPI) Speed: 5.86 GT/s

PERFORMANCE:
Base Frequency: 2.66 GHz
Process Technology: 32 nm
Hyper‑Threading Technology: Yes
Turbo Boost Support: Yes

ENVIRONMENTAL & RELIABILITY:
Designed for enterprise servers and workstation platforms
ECC Memory Support: Yes
Typical Use: Data centers, virtualization, general compute workloads

PHYSICAL:
Package: FCLGA1366 socket processor
Weight: Standard server CPU package