Intel® Xeon™ Processor with 256K L2 Cache Intel® Xeon™ Processor with 512K L2 Cache Intel® Xeon™ Processor for 1U Rack Servers with 512K L2 Cache Intel® Xeon™ Processor with 800 MHz System Bus and 1 or 2 MB L2 cache Intel® Xeon™ Processor MP Supports Dual Processor Workstation Designs Supports Dual Processor Workstation and Server Designs Supports Dual Processor Workstation and Server Designs Supports Dual Processor Workstation and Server Designs Supports Multiprocessor Server Designs with 4 or More Processors Compatible with Intel® 860 Chipset Compatible with the Intel® E7210 chipset, Intel® E7500 Chipset, Intel® E7505 Chipset, Intel® E7501 Chipset and Intel® 860 Chipset Compatible with the Intel® E7210 chipset, Intel® E7500 Chipset, Intel® E7505 Chipset, Intel® E7501 Chipset and Intel® 860 Chipset Compatible with Intel® E7320 Chipset, Intel® E7520 Chipset, and Intel® E7525 Chipset Compatible with 3rd-Party Chipsets That Provide DDR Memory and PCI-X I/O Capabilities 256 KB L2 Cache 512 KB L2 Cache, 1MB or 2MB L3 cache 512 KB L2 Cache, 1MB or 2MB L3 cache 1 MB or 2 MB L2 Cache Level 3 cache in 4MB, 2MB, 1 MB, 256 KB or 512 KB Speeds Available at 1.40, 1.50, 1.70 and 2 GHz Speeds available at 1.80, 2, 2.20, 2.40, 2.60, 2.80, 3, 3.06, and 3.20GHz Speeds available at 1.80, 2.20, 2.40, 2.60, 2.80, 3.06, and 3.20 GHz Speeds available at 2.80, 3, 3.20, 3.40, and 3.60 GHz Speeds available at 1.40, 1.50, 1.60, 1.90, 2, 2.2, 2.50, 2.70, 2.80 and 3 GHz Intel® NetBurst™ Microarchitecture Intel® NetBurst™ Microarchitecture Intel® NetBurst™ Microarchitecture Intel® NetBurst™ Microarchitecture Intel® NetBurst™ Microarchitecture No Hyper-threading Technology Hyper-Threading Technology: Hardware support currently targeted for multi-threaded server applications Hyper-Threading Technology: Hardware support currently targeted for multi-threaded server applications Hyper-Threading Technology: Hardware support currently targeted for multi-threaded server applications Hyper-Threading Technology: Hardware support currently targeted for multi-threaded server applications Streaming SIMD Extensions 2 Streaming SIMD Extensions 2 Streaming SIMD Extensions 2 Streaming SIMD Extensions 3 Streaming SIMD Extensions 2 Ships with a Power Wind Tunnel (PWT) Ships with a PWT Does not ship with a PWT. Proper airflow should be provided by the chassis. Ships in three thermal configurations. Active, 2U+ Passive, and 1U Passive Does not ship with a PWT. Proper airflow should be provided by the chassis.

This applies to:

Intel® Xeon® Processor