Model No : P5QL-CM

Specifications

Chipset : Intel® G43 Intel ICH10
Front Side Bus : 1333/1066/800 MHz
Memory :
- 2 x DIMM, Max. 8 GB, DDR2 1066(O.C.)/800/667 Non-ECC,Un-buffered Memory
- Dual Channel memory architecture
- Please refer to www.asus.com or user manual for Memory QVL.
- When installing total memory of 4GB capacity or more, Windows 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended.
Expansion Slots :
- 1 x PCIe x16
- 1 x PCIe x1
- 2 x PCI
- Supports PCIe 2.0 / 1.0 Architecture
Warranty : 3-Years

Note : For More Details Please Check www.asus.com

Model No : AT3N7A-I

Specifications :

CPU :
Intel® CPU on Board Integrated Dual-core Intel® Atom™ processor 330
CPU FAN Rated Speed : 6000±15%rpm
Chipset    : NVIDIA ION™
Front Side Bus    : 533 MHz
Memory :
2 x DIMM, Max. 4 GB, DDR2 800/667 Non-ECC,Un-buffered Memory
Dual Channel memory architecture
Expansion Slots    : 1 x PCI
VGA :
Integrated NVIDIA GeForce Series DirectX10 graphics processor
Support CUDA technology
Support PhysX technology
Supports RGB with max. resolution up to 1920x1440x32Bppx75Hz
Supports HDMI with max. resolution up to 1920x1200x32Bppx60Hz
Dual VGA output support:
RGB & HDMI

Warranty : 3 Years

Note : For More Details Please Check www.asus.com

Model No : CROSSHAIR II FORMULA

Specifications

Chipset : NVIDIA nForce® 780a SLI
System Bus :
- Up to 5200 MT/s HyperTransport™ 3.0 interface for AM2+ CPU
- 2000 / 1600 MT/s for AM2 CPU
Memory :
- 4 x DIMM, Max. 8 GB, DDR2 1066/800/667 ECC,Non-ECC,Un-buffered Memory :
*When installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended.
Expansion Slots :
- 3 x PCIe 2.0 x16 support NVIDIA SLI Tech @ dual x16 or 3-way@x8, x8, x 8
- 2 x PCIe x1
- 2 x PCIe1.0 x1, PCIex1_1 (black) is compatible with audio slot
Warranty : 3-Years

Note : For More Details Please Check www.asus.com

Specifications

Model : CROSSHAIR IV FORMULA

Chipset : AMD 890FX/SB850

CPU   
- AMD Socket AM3 ;Phenom™II /Athlon™II /Sempron™ 100 Series Processors
- AMD 140W CPU Support
- AMD Cool 'n' Quiet™ Technology
- Supports 45nm CPU
Memory
- 4 x DIMM, Max. 16 GB, DDR3 2000(O.C.)/1800(O.C.)/1600(O.C.)/1333/1066 ECC,Non-ECC,Un-buffered Memory
- Dual Channel memory architecture
- Due to OS limitation, when installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended.
Expansion Slots   
- 3 x PCIe 2.0 x16 (dual @ x16, triple @x16 x8 x8)
- 1 x PCIe 2.0 x4
- 2 x PCI 2.2
Audio
- SupremeFX X-Fi built-in 8-Channel High Definition Audio CODEC
- EAX® Advanced™ HD 4.0
- X-Fi CMSS®-3D
- X-Fi Crystalizer™
- Creative ALchemy
- Supports Blu-ray audio layer content protection
- Supports 1 Optical S/PDIF out port at back I/O
- Supports 1 x S/PDIF out header
- Supports Jack-detection, Multi-streaming, Front Panel Jack-retasking

Model No : Asus KFSN4-DRE/SAS

Specifications

Processor / System Bus :
- 2 x Socket 1207
- Quad-Core AMD Opteron™ 2300 series (Barcelona)
- Dual-Core AMD Opteron™ 2200 series
- HyperTransport™ Technology 1.0, 1GHz
- (Dual-Core) 2x1M L2 cache
- (Quad-Core) 512KB L2 cache/Per core, 2MB L3
Core Logic : nVIDIA nForce Professional 2200
Form Factor : SSI EEB 3.61 12" x 13"
ASUS Features :
- Smart Fan
- Rack Ready (Rack and Pedestal dual use)
- ASWM2.0
Warranty : 3-Years

Note : For More Details Please Check www.asus.com

Model No : M2N68-AM PLUS

Specification CPU AMD Socket AM2+ / AM2 Phenom™ II/Phenom™/Athlon™ 64/Athlon™ 64 FX/Sempron™ Processors AMD Cool 'n' Quiet™ Technology AMD 64 architecture enables simultaneous 32-bit and 64-bit computing *Due to the chipset limitation, the AM3/AM2+ CPU runs at HT1 (1000MHz).
Chipset : NVIDIA Geforce 7025/nForce 630a
System Bus : Up to 2000/1600 MT/s

Note: For More Details Please Check www.asus.com

Specifications

Model : M2N68-AM SE2
CPU
CPU Socket Type : AM2+/AM2
CPU Type : Phenom FX / Phenom / Athlon 64 FX / Athlon 64 X2
Chipsets
North Bridge : NV Geforce 7025 / nForce 630a chipset
Memory
Number of Memory Slots : 2×240pin
Memory Standard : DDR2 1066
Maximum Memory Supported : 4GB
Storage Devices
SATA 3Gb/s : 2
SATA RAID : 0/1/JBOD
Onboard Audio
Audio Chipset : Realtek ALC662
Audio Channels : 6 Channels
Onboard LAN
LAN Chipset : RTL8201CP
Max LAN Speed : 10/100Mbps

Model : M4A77TD PRO

Specifications

Chipset : AMD 770/SB710

CPU
- AMD Socket AM3 ;Phenom™II /Athlon™II /Sempron™ 100 Series Processors
- AMD 140W CPU Support
- AMD Cool 'n' Quiet™ 2.0 Technology (by CPU type)
- Support 45nm CPU
Memory
- 4 x DIMM, Max. 16 GB, DDR3 1800(O.C.)/1600(O.C.)/1333/1066 ECC,Non-ECC,Un-buffered Memory
- Dual Channel memory architecture
- AMD AM3 100 and 200 series CPU support up to DDR3 1066MHz
- Due to OS limitation, when installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Install a 64-bit WindowsWindows® OS when you want to install 4GB or more memory on the motherboard. 
Expansion Slots
- 2 x PCIe 2.0 x16 (*blue@ x16 mode, black@ x4 mode)
- 1 x PCIe x1
- 3 x PCI
Audio
- VT1708S High Definition Audio 8-Channel CODEC
- Supports Jack-detect and Multistreaming teconologies, and Front Panel Jack-Retasking
- Optical S/PDIF Out ports at back I/O
USB
- 12 USB 2.0/1.1 ports (6 ports at mid-board, 6 ports at back panel)