Performance/Mainstream Desktop Chipsets Comparison Chart

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 Intel® G45 Express Chipset
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HostG45 Chipset
Target SegmentPerformance PC,
Mainstream PC
Processor PositionedIntel® Core™2 Duo Processor,
Intel® Core™2 Quad Processor
ProcessorLGA775
Hyper-Threading Technology1Optimized for HT Technology
System Bus1333/1066/800 MHz
Max Memory16 GB
Memory ModulesN/A
Memory TypeDDR3 and DDR2 no ECC
FSB/Memory Configurations1066/DDR2-667,
800/DDR2-667,
1333/DDR3-1066,
1333/DDR3-800,
1066/DDR3-1066,
1066/DDR3-800,
800/DDR3-800,
1333/DDR2-800,
1333/DDR2-667,
1066/DDR2-800,
800/DDR2-800
Integrated Graphics TypeIntel® Graphics Media Accelerator X4500HD
External Graphics InterfacePCI Express* x16
PCI Support(1) x16 Gen2
Storage Interface/PortsSerial ATA (3 Gbps/AHCI) 6 Ports eSATA Port Disable
Storage TechnologyIntel® Matrix Storage Technology (ICH10R only; RAID 0, 1, 5, 10) Intel® Rapid Recovery Technology (ICH10R only)
Memory Controller Hub82G45 GMCH
Supported Intel I/O ControllerIntel® ICH10 Family: ICH10, ICH10R
PCI Masters4
USB Ports/Controllers12 USB Ports 2 EHCI Controllers Port Disable
AudioIntel® High Definition Audio
Security 
1 Hyper-Threading Technology requires a computer system with an Intel® Pentium® 4 Processor supporting Hyper-Threading Technology and a HT Technology enabled chipset, BIOS and operating system. Performance will vary depending on the specific hardware and software you use. See http://www.intel.com/info/hyperthreading/ for more information including details on which processors support HT Technology.
2 Six PCI Express* x1 device/peripheral support available when combined with the Intel® 82801GR (ICH7R) I/O controller only.
Intel® processors, chipsets and graphics products may contain design defects or errors known as errata which may cause the product to deviate from published specifications. Current characterized errata are available on request.