Intel® Desktop Board DX79SI Extreme Series

Technical Specifications

ProcessorProcessor Support

Intel® Core™ i7 processors in the LGA2011 package

Intel® Turbo Boost Technology2Intel® Hyper-Threading Technology3

Integrated Memory Controller with support for up to 64 GB4 of system memory DDR3 2400+ O.C.

SDRAMIntel® Fast Memory AccessSupports Intel® 64 architecture5ChipsetIntel® X79 Express ChipsetIntel® X79 PCHIntel® Rapid Storage Manager (RAID 0, 1, 5, 10)

Two SATA (6.0 Gb/s) and four SATA (3.0 Gb/s) ports

USB PortsSix Hi-Speed USB 2.0 ports via back panelEight additional Hi-Speed USB 2.0 ports via four internal headers

Four Super-Speed USB 3.0 ports via NEC controller

System BIOS

64 Mb Flash EEPROM with Intel® Platform Innovation Framework for EFI Plug and Play, IDE drive auto-configure

Advanced configuration and power interface V3.0b, DMI 2.5fast bootFast bootIntel® Express BIOS update support: BIOS update via F7 function key
Hardware Management FeaturesProcessor fan speed controlSystem chassis fan speed controlVoltage and temperature sensingFan sensor inputs used to monitor fan activityPower management support for ACPI 3.0bIntel® PRO 10/100/1000Network ConnectionDual Intel® LAN on the back panelNew low-power design can meet Energy Star* 5.0 specificationsExpansion Capabilities

Three PCI Express* x16 connectors (configured as x16/x8/x8 in Tri graphics mode)

Two PCI Express 2.0 x1 slotsOne PCI slotAudio10-channel Intel® High Definition Audio6 codec8-channel via the back panel2-channel via the front panelBack panel support for output via optical cableOne internal header for S/PDIF output for HDMI* supportSystem MemoryMemory Capacity

Eight 240-pin DIMM connectors supporting quad channel memory. Two double-sided DIMMS per channel

Maximum system memory up to 64 GB7 using 8 GB double-sided DIMMs
Memory TypesDDR3 2400+ O.C. SDRAM memory supportNon-ECC MemoryMemory ModesQuad- or tri- or dual- or single-channel operation supportMemory Voltage1.35 V low voltage1.5 V standard JEDEC voltageSupport for Intel® XMP extended voltage profilesJumpers and Front Panel ConnectorsJumpersSingle configuration jumper designJumper access for BIOS maintenance modeFront Panel ConnectorsReset, HD LED, Power LEDs, power on/offFour front-panel Hi-Speed USB 2.0 headersOne front-panel Super-Speed USB 3.0 headersFront-panel audio headerOne IEEE 1394a headerMechanicalBoard StyleATXBoard Size

11.6¨ x 9.6¨ (29.46 cm x 24.38 cm) Baseboard Power Requirements

ATX 12 V
EnvironmentOperating Temperature0° C to +55° CStorage Temperature–20° C to +70° CRegulations and Safety StandardsUnited States and CanadaUL 1950, Third edition—CAN/CSA C22.2No. 950-95 with recognized U.S. and Canadian component marksEurope

Nemko certified to EN 60950 International Nemko certified to IEC 60950

(CB report with CB certificate) EMC Regulations (tested in representative chassis)

United States FCC Part 15, Class BFCC Part 15, Class B open-chassis (cover off) testing CanadaICES-003, Class B EuropeEMC directive 89/336/EEC; EN 55022:1998 Class B; EN 55024:1998Australia/New ZealandAS/NZS 3548, Class BTaiwanCNS 13438, Class B InternationalCISPR 22:1997, Class B

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