fastest memory for my motherboard?

[rrigdon]

what would be the fastest memory for my motherboard? ma790 go-ud4h gigabyte. With a AMD 955 3.2 ghz. Form Factor: µATX

Processor Socket: AMD

Processor Interface: Socket AM2+

Processors Supported: AMD Athlon
AMD Sempron
AMD Phenom

Additional Technologies: HD DVD/Blu-ray Support, HDCP Compliant, DirectX10, AM3 CPU Ready

Multi-GPU Support: Hybrid CrossFire

HyperTransport Bus: 2600MHz (5200 MT/s)

Northbridge: AMD 780G

Southbridge: SB700

Number of Slots: 4

Number of Pins: 240-Pin

Maximum Memory Supported: 4GB - 32bit
16GB - 64bit

Memory Type: DDR2

Memory Supported: 667MHz DDR2
800MHz DDR2
1066MHz DDR2 (AM2+ CPU Only)

Max. Memory Supported Per Slot: 4GB

Channels: 7.1 Channels

Video Chipset: ATI Radeon HD 3200

RAID Support: Yes

 

[flyin15sec]

with AMD 955, it would be DDR2 1066