E5520 Computer Processors 178

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Part	Manufacturer	Brand Name	Product Line	Product Model	Product Type	Limited Warranty	L3 Cache	Product Series	Packaged Quantity	L2 Cache	Thermal Specification	Processor Core	Thermal Design Power	Processor Technology	Processor Manufacturer	Environmental Certification	Environmentally Friendly	Clock Speed	Platform Supported	Depth	Process Technology	Width	Package Type	L1 Cache	Overclocking Speed	Processor Socket	QuickPath Interconnect	Product Condition	64-bit Processing	Input Voltage	Product Name
495940-B21	HP - Ingram Certified Pre-Owned	HP - Ingram Certified Pre-Owned	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s	Pre-owned	Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
490073-001-RF	HPE-IMSourcing	HPE-IMSourcing	Xeon	E5520	Processor Upgrade		8 MB	5500	1	1 MB	72 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology, Demand Based Switching, Turbo Boost Technology, Hyper-Threading Technology	Intel			2.26 GHz	PC	45 mm	45 nm	42.5 mm		256 KB	2.53 GHz	Socket B LGA-1366	5.86 GT/s	Refurbished	Yes	1.35 V DC	Xeon Quad-core E5520 2.26GHz Server Processor Upgrade
507680-B21-RF	HPE - IMSourcing Certified Pre-Owned	HPE - IMSourcing Certified Pre-Owned	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s	Refurbished	Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
N20-X00003-WITH-EQUAL	Cisco Systems, Inc	Cisco	Xeon DP	E5520	Processor Upgrade		8 MB	5500		1 MB	72 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology, Turbo Boost Technology	Intel			2.26 GHz	PC	45 mm	45 nm	42.5 mm		256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz Processor Upgrade
490073-001	HPE-IMSourcing DS	HPE-IMSourcing DS	Xeon	E5520	Processor Upgrade		8 MB	5500	1	1 MB	72 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology, Demand Based Switching, Turbo Boost Technology, Hyper-Threading Technology	Intel			2.26 GHz	PC	45 mm	45 nm	42.5 mm		256 KB	2.53 GHz	Socket B LGA-1366	5.86 GT/s		Yes	1.35 V DC	Xeon Quad-core E5520 2.26GHz Server Processor Upgrade
46M1081-RF	IBM - Ingram Certified Pre-Owned	IBM - Ingram Certified Pre-Owned	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s	Refurbished	Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
S26361-F3288-E226	Fujitsu	Fujitsu	Xeon DP	E5520	Processor Upgrade		8 MB	5500		1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes	1.35 V DC	Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
507680-B21-RF	HPE-IMSourcing	HPE-IMSourcing	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s	Refurbished	Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
495914-B21	HP-IMSourcing DS	HP-IMSourcing DS	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes	1.35 V DC	Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
508342-B21	HPE Sourcing	HPE Sourcing	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel		Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes	1.35 V DC	Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
507799-L21	Hewlett Packard Enterprise	HPE	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes	1.35 V DC	Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
464-1985	VTech Holdings, Ltd	VTech	Xeon DP	E5520	Processor Upgrade		8 MB	5500		1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes	1.35 V DC	Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
BX80602E5520	Intel Corporation	Intel	Xeon DP	E5520	Processor		8 MB		1			Quad-core (4 Core)			Intel	RoHS	Yes	2.26 GHz	PC				Retail			Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz Processor
507680-B21	HP Inc.	HP	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
495914-B21#0D1	HP Inc.	HP	Xeon DP	E5520	Processor Upgrade		8 MB	5500		1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
49Y3708	IBM Corporation	IBM	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel			2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
507722-B21#0D1	HP Inc.	HP	Xeon DP	E5520	Processor Upgrade		8 MB	5500		1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
536893-001	HP Inc.	HP	Xeon DP	E5520	Processor Upgrade		8 MB	5500		1 MB	72 °C	Quad-core (4 Core)	80 W	Turbo Boost Technology, Hyper-Threading Technology, Virtualization Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology, Demand Based Switching	Intel			2.26 GHz	PC	4.5 cm	45 nm	4.25 cm		256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz Processor Upgrade
495940R-B21	HP Inc.	HP	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes	1.35 V DC	Xeon DP Quad-core E5520 2.26GHz Processor Upgrade
508432-B21	HPE-IMSourcing DS	HPE-IMSourcing DS	Xeon	E5520	Processor Upgrade		8 MB	5500		1 MB	72 °C	Quad-core (4 Core)	80 W	Turbo Boost Technology, Hyper-Threading Technology, Virtualization Technology, Enhanced SpeedStep Technology, Extended Memory 64 Technology, Demand Based Switching	Intel			2.26 GHz	PC	45 mm	45 nm	42.5 mm		256 KB		Socket B LGA-1366	5.86 GT/s		Yes	1.35 V DC	Xeon Quad-core E5520 2.26GHz Processor Upgrade
507799-B21	HPE-IMSourcing DS	HPE-IMSourcing DS	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
490073-001-RF	HPE - IMSourcing Certified Pre-Owned	HPE - IMSourcing Certified Pre-Owned	Xeon	E5520	Processor Upgrade		8 MB	5500	1	1 MB	72 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology, Demand Based Switching, Turbo Boost Technology, Hyper-Threading Technology	Intel			2.26 GHz	PC	45 mm	45 nm	42.5 mm		256 KB	2.53 GHz	Socket B LGA-1366	5.86 GT/s	Refurbished	Yes	1.35 V DC	Xeon Quad-core E5520 2.26GHz Server Processor Upgrade
495940-B21	HPE Sourcing	HPE Sourcing	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
507799-B21-RF	Ingram - Certified Pre-Owned	Ingram - Certified Pre-Owned	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes		XEON E5520 2.26 GHZ 8MB 4 CORE 80W
490459-B21	HPE Sourcing	HPE Sourcing	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
507722R-B21	HP Inc.	HP	Xeon	E5520	Processor Upgrade		8 MB	5500	1	1 MB	72 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology, Demand Based Switching, Turbo Boost Technology, Hyper-Threading Technology	Intel	WEEE, REACH	Yes	2.26 GHz	PC	45 mm	45 nm	42.5 mm		256 KB		Socket B LGA-1366	5.86 GT/s	Refurbished	Yes	1.35 V DC	Xeon E5520 Quad-core 2.26GHz Processor Upgrade
490459-B21	HP-IMSourcing DS	HP-IMSourcing DS	Xeon	E5520	Processor Upgrade	1 Year	8 MB	5500	1	1 MB	72 °C	Quad-core (4 Core)	80 W		Intel			2.26 GHz		42.5 mm	45 nm	45 mm			2.53 GHz	Socket FCLGA1366	5.86 GT/s	Pre-owned	Yes	1.35 V DC	Xeon Quad-core E5520 2.26GHz Server Processor Upgrade
507799-B21	HP-IMSourcing DS	HP-IMSourcing DS	Xeon	E5520	Processor Upgrade	1 Year	8 MB	5500	1	1 MB	72 °C	Quad-core (4 Core)	80 W		Intel			2.26 GHz		42.5 mm	45 nm	45 mm			2.53 GHz	Socket FCLGA1366	5.86 GT/s	Pre-owned	Yes	1.35 V DC	Xeon Quad-core E5520 2.26GHz Server Processor Upgrade
507799-B21-RF	HPE-IMSourcing	HPE-IMSourcing	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s	Refurbished	Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
492239-B21	HP-IMSourcing DS	HP-IMSourcing DS	Xeon	E5520	Processor Upgrade	1 Year	8 MB	5500	1	1 MB	72 °C	Quad-core (4 Core)	80 W		Intel			2.26 GHz		42.5 mm	45 nm	45 mm			2.53 GHz	Socket FCLGA1366	5.86 GT/s	Pre-owned	Yes	1.35 V DC	Xeon Quad-core E5520 2.26GHz Server Processor Upgrade
BX80602E5520	Intel-IMSourcing DS	Intel-IMSourcing DS	Xeon	E5520	Processor		8 MB	5500		1 MB	72 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology, Demand Based Switching, Turbo Boost Technology, Hyper-Threading Technology	Intel			2.26 GHz	PC	45 mm	45 nm	42.5 mm	Retail	256 KB	2.53 GHz	Socket B LGA-1366	5.86 GT/s		Yes	1.35 V DC	Xeon Quad-core E5520 2.26GHz Server Processor
492239-B21-RF	HP - Ingram Certified Pre-Owned	HP - Ingram Certified Pre-Owned	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
539260-L21	HP Inc.	HP	Xeon DP	E5520	Processor Upgrade		8 MB	5500		1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes	1.35 V DC	Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
S26361-F3982-L226	Fujitsu	Fujitsu	Xeon DP	E5520	Processor Upgrade		8 MB	5500		1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes	1.35 V DC	Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
46D1352	IBM Corporation	IBM	Xeon DP	E5520	Processor Upgrade		8 MB	5500		1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes	1.35 V DC	Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
490073-001	HP - Ingram Certified Pre-Owned	HP - Ingram Certified Pre-Owned	Xeon	E5520	Processor Upgrade		8 MB	5500	1	1 MB	72 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology, Demand Based Switching, Turbo Boost Technology, Hyper-Threading Technology	Intel			2.26 GHz	PC	45 mm	45 nm	42.5 mm		256 KB	2.53 GHz	Socket B LGA-1366	5.86 GT/s	Pre-owned	Yes	1.35 V DC	Xeon Quad-core E5520 2.26GHz Server Processor Upgrade
495914-B21	HPE-IMSourcing DS	HPE-IMSourcing DS	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
495914-L21	Hewlett Packard Enterprise	HPE	Xeon DP	E5520	Processor Upgrade		8 MB	5500		1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
495940-B21	HPE-IMSourcing	HPE-IMSourcing	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
507722R-L21	Hewlett Packard Enterprise	HPE	Xeon	E5520	Processor Upgrade		8 MB	5500		1 MB	72 °C	Quad-core (4 Core)	80 W	Turbo Boost Technology, Hyper-Threading Technology, Virtualization Technology, Enhanced SpeedStep Technology, Extended Memory 64 Technology, Demand Based Switching	Intel			2.26 GHz	PC	45 mm	45 nm	42.5 mm	OEM	256 KB	2.53 GHz	Socket B LGA-1366	5.86 GT/s	Refurbished	Yes		Xeon Quad-core E5520 2.26GHz FIO Server Processor Upgrade
508432-B21	HPE-IMSourcing	HPE-IMSourcing	Xeon	E5520	Processor Upgrade		8 MB	5500		1 MB	72 °C	Quad-core (4 Core)	80 W	Turbo Boost Technology, Hyper-Threading Technology, Virtualization Technology, Enhanced SpeedStep Technology, Extended Memory 64 Technology, Demand Based Switching	Intel			2.26 GHz	PC	45 mm	45 nm	42.5 mm		256 KB		Socket B LGA-1366	5.86 GT/s		Yes	1.35 V DC	Xeon Quad-core E5520 2.26GHz Processor Upgrade
492239-B21-RF	HP Inc.	HP	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s	Refurbished	Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
512060-L21	HP Inc.	HP	Xeon DP	E5520	Processor Upgrade		8 MB	5500		1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
NF148AA-RF	HP Inc.	HP	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s	Refurbished	Yes	1.35 V DC	Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
507680-L21	HP Inc.	HP	Xeon DP	E5520	Processor Upgrade		8 MB	5500		1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
507799-B21	HP Inc.	HP	Xeon DP	E5520	Processor Upgrade		8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes		Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
570481-L21	HP Inc.	HP	Xeon DP	E5520	Processor Upgrade		8 MB	5500		1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes	1.35 V DC	Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade
46M1081	IBM Corporation	IBM	Xeon DP	E5520	Processor Upgrade	1 Year	8 MB			1 MB	76 °C	Quad-core (4 Core)	80 W	Virtualization Technology, Hyper-Threading Technology, Extended Memory 64 Technology, Enhanced SpeedStep Technology	Intel	RoHS	Yes	2.26 GHz	PC		45 nm			256 KB		Socket B LGA-1366	5.86 GT/s		Yes	1.35 V DC	Xeon DP Quad-core E5520 2.26GHz - Processor Upgrade

Computer Processors

Computer Processors, often referred to simply as processors or CPUs (Central Processing Units), are silicon chips that serve as the brain of a computing device. These integrated circuits are responsible for executing instructions and performing calculations in computers, smartphones, tablets, and other electronic devices. Microprocessors come in various architectures and designs, each optimized for specific applications and performance requirements. They typically include features such as multiple cores, advanced instruction sets, and power-saving technologies to deliver optimal performance and efficiency.