Model Name
Z87-A Pro
Form Factor
30.5 cm x 24.5 cm
CPU
Intel Haswell LGA 1150 Socket  
Support Intel Core  4th Generation i7/i5/i3/Pentium/Celeron CPU in 1150-Pin
Support Intel New architecture 22nm CPU
Graphics
Support Direct X 11.1 & OCL 1.2
Memory
4 x DIMM Slots, DDR3 2133(O.C)1866(O.C)/1600/1333/1066 MHz Non-ECC, Un-buffered Memory
Maximum 32GB Memory Size
Support Dual Channel Memory Architecture
PCI Express 2.0 x 16
1
PCI Express 3.0 x 16
1
PCI Express 2.0 x 1
2
PCI
2
Back I/O Ports
1 x Auto-Overclocking Button
1 x D-Sub (VGA)
1 x DVI 
1 x HDMI
1 x Gigabit LAN  
6 x USB 3.0
1 x Optical S/PDIF Out
6 x Audio Jacks for 6 Channel High Definition Audio
Onboard Connectors
1 x System Panel Connector(Reset,HD LED,Power LED,Power On/Off)
1 x Front Panel Audio Connector (2 x 5 pin)
2 x USB 3.0 Connectors Support 4 x USB 3.0 Ports
2 x USB 2.0 Connectors Support 4 x USB 2.0 Ports
10 x SATA 6Gb/s (SATA III) Ports
1 x IEEE 1394a Connector
1 x 4-pin CPU Fan Connector
1 x 4-pin Chassis Fan Connector
2 x 3-pin Chassis Fan Connector
1 x 4-pin Power Fan Connector
1 x 24-pin ATX Power Connector
1 x 8-pin ATX 12V Power Connector
1 x SPDIF-Out Connector
1 x Power Button
1 x Reset Button
1 x Clear CMOS Button
BIOS
64Mb EFI AMI BIOS
PnP, DMI2.5, WfM2.0, ACPI V2.0,SM BIOS V2.6
Software
Microsoft Windows 8.1(64-bit and 32-bit)
Microsoft Windows 8(64-bit and 32-bit)
Microsoft Windows 7(64-bit and 32-bit)
Note: The specifications are subject to changes without notice.
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