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  Products   Motherboards   Xeon Boards   [ X8STi ]


Key Features
1. Intel® Core™ i7 / i7 Extreme Edition,
    and Intel® Xeon® 5600/5500/3600/3500
    series processors (QPI up to 6.4 GT/s)
2. Intel® X58 Express Chipset
3. Up to 24GB DDR3 1333, 1066 & 800
    ECC / non-ECC Un-Buffered DIMM
4. Dual Intel® 82574L Gigabit Ethernet
5. 6x SATA (3.0Gbps) Ports
    RAID 0, 1, 5, 10
6. 1 (x16) PCI-Express 2.0,
    1 (x8) PCI-Express,
    1x 32-bit PCI Slot
7. Integrated Graphics
8. 8x USB (2 rear, 2 on-board, 2 headers)

Links & Resources
Tested Memory List
Tested HDD / SSD List
Motherboard Manual
Update Your BIOS
Download the Latest Drivers and Utilities
Download Driver CD
Product SKUs - Discontinued SKU (EOL). Please contact sales-rep for alternative options.
  • X8STi (Standard Retail Pack)
  • X8STi (Bulk Pack)
Physical Stats
Form Factor
  • ATX
  • 12" x 9.6" (30.5cm x 24.4cm)
  • LGA 1366 Socket
  • Intel® Core™ i7-980X, i7-975 and i7-965 Extreme Edition
  • Intel® Core™ i7 series
  • Intel® Xeon® 5600/5500 series
  • Intel® Xeon® 3600/3500 series
System Bus
  • QPI (up to 6.4 GT/s)
System Memory
Memory Capacity
  • Supports up to 24 GB 1333 / 1066 / 800MHz DDR3 ECC / non-ECC Un-Buffered memory
  • Three Channel memory bus
  • 6 DIMM sockets
Memory Type
  • 1333 / 1066 / 800MHz Un- Buffered ECC / non-ECC DDR3 SDRAM 72-bit, 240-pin gold-plated DIMMs
DIMM Sizes
  • 256MB, 512MB, 1GB, 2GB, 4GB
Memory Voltage
  • 1.5 V
Error Detection
  • Corrects single-bit errors
  • Detects double-bit errors (using ECC memory)
  • Supports Intel® x4 and x8 Single Device Data Correction (SDDC)
On-Board Devices
  • Intel® X58 Express chipset
  • ICH10R
  • Intel ICH10R SATA (3.0Gbps) Controller
  • RAID 0, 1, 5, 10 support (Windows)
  • RAID 0, 1, 10 support (Linux)
Network Controllers
  • 2x Intel® 82574L Gigabit Ethernet Controllers
  • Supports 10BASE-T, 100BASE-TX, and 1000BASE-T, RJ45 output
  • Matrox G200eW 16 MB DDR2
Super I/O
  • Winbond 83627DHG chip
Clock Generator
  • CK505
Input / Output
Serial ATA
  • 6 SATA ports
  • 6 SATA hard drives supported
  • 1 Floppy controller; 1.44 MB
  • 2x RJ45 LAN ports
  • 2x USB rear ports
  • 2x USB on-board
  • 2x USB internal header(4 ports)
  • Total 8 USB 2.0 Compliant
  • 1x VGA port
Keyboard / Mouse
  • PS/2 keyboard and mouse ports
Serial Port / Header
  • 1x Fast UART 16550 serial port
  • 1x internal header
I/O Panel

• Please see this board's I/O Panel
OS Compatibility

• Please see our OS Compatibility Chart
Chassis ( Optimized for X8STi )
1U Chassis
Important Chassis Notes
  • To support the new generation Intel® Xeon® processor-based motherboards, a Revision K chassis is recommended for most models. Please talk to your sales representative or follow the link for details.
Expansion Slots
  • 1 (x16) PCI-e 2.0 slot
  • 1 (x8) PCI-e slot
  • 1x 32-bit PCI slot
System BIOS
  • 32Mb SPI Flash EEPROM with AMI BIOS
BIOS Features
  • DMI 2.3
  • PCI 2.2
  • ACPI 1.0 / 2.0
  • USB Keyboard support
  • SMBIOS 2.3
Power Configurations
  • ACPI / ACPM Power Management
  • Main Switch Override Mechanism
  • Wake-On-LAN (WOL) header
  • Keyboard Wakeup from Soft-Off
  • Power-on mode for AC power recovery
  • Internal/External modem ring-on
PC Health Monitoring
  • Monitors for CPU Cores, +1.8V, +3.3V, +5V, ±12V, +3.3V Standby, +5V Standby, VBAT, HT, Memory, Chipset Voltages.
  • 6-Phase-switching voltage regulator with auto-sense from 0.8375V-1.60V
  • Total of six fan headers supporting up to 6 fans
  • Six 4-pin fan headers
  • 6x fans with tachometer status monitoring
  • Status monitor for speed control
  • Status monitor for on/off control
  • Support 3-pin fans (w/o speed control)
  • Low noise fan speed control
  • Pulse Width Modulated (PWM) fan connectors
  • Monitoring for CPU and chassis environment
  • CPU thermal trip support
  • FC temperature sensing logic
  • Thermal Monitor 2 (TM2) support
  • PECI
  • CPU / System Overheat LED
  • +5V Standby alert LED
Other Features
  • Chassis intrusion detection
  • Chassis intrusion header
Operating Environment
Environmental Spec.
  • Operating Temperature: 10°to 35°C (50°to 95°F)
  • Non-operating Temperature: -40°to 70°C (-40°to 158°F)
  • Operating Relative Humidity: 8% to 90% (non-condensing)
  • Non-operating Relative Humidity: 5 to 95% (non-condensing)
Parts List
  Part Number Qty Description
X8STi MBD-X8STi -O 1 X8STi Motherboard
I/O Cables CBL-022L
ATX Floppy Cable
2ft. Amphenol, SATA Cable
I/O Shield MCP-260-00027-0N 1 Motherboard I/O Shield
Quick Reference Guide MNL-1068-QRG 1 Quick Reference Guide
Optional Parts List
  Part Number Qty Description
Heat Sink SNK-P0037P - 1U Passive Heatsink for LGA1366 Socket
Heat Sink Bracket BKT-0023L - Bracket for 1U passive heat sink (LGA 1366 socket)
Riser Card RSC-RR1U-E16
1U PCI-E x16 Riser Card
1U PCI-E x8 Riser Card

Note:  Items in a Standard Retail Package may differ from items in a Standard Bulk Package.
Information in this document is subject to change without notice.
Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders.