AOpen AK77400G Motherboard Memory Upgrade

Boost the performance of your AOpen AK77400G computer by upgrading its memory. With extra memory, you will also be able to run multiple programs at the same time.

Cheap memory is often the cause of random fatal exception errors, stop messages and reboots. Buy quality memory from here for a stable AOpen AK77400G system. The computer memory upgrade choices listed here have been tested for quality and compatibility with your AOpen AK77400G motherboard. In addition, you get a limited lifetime warranty and free technical support with your computer memory upgrade.

AOpen AK77400G Motherboard Specs:

• 184-pin DIMM Banking: 3 (3 banks of 1)
• Chipset: VIA Apollo KT400
• DDR SDRAM Frequencies: PC1600, PC2100, PC2700, and PC3200
• Error Detection Support: Non-ECC only
• Graphics Support: AGP 8X
• Max Unbuffered DDR SDRAM: 3072MB
• Module Types Supported: Unbuffered only
• Supported DRAM Types: DDR SDRAM only
• USB Support: 2.x Compliant

These 184-pin DIMM modules are compatible with your AK77400G:

1GB DDR PC2100, CL=2.5, UNBUFFERED, NON-ECC, DDR266, 2.5V, 128Meg x 64

1GB DDR PC2700, CL=2.5, UNBUFFERED, NON-ECC, DDR333, 2.5V, 128Meg x 64

1GB DDR PC3200, CL=3, UNBUFFERED, NON-ECC, DDR400, 2.6V, 128Meg x 64

512MB DDR PC3200, CL=3, UNBUFFERED, NON-ECC, DDR400, 2.6V, 64Meg x 64

512MB DDR PC2100, CL=2.5, UNBUFFERED, NON-ECC, DDR266, 2.5V, 64Meg x 64

512MB DDR PC2700, CL=2.5, UNBUFFERED, NON-ECC, DDR333, 2.5V, 64Meg x 64

256MB DDR PC3200, CL=3, UNBUFFERED, NON-ECC, DDR400, 2.6V, 32Meg x 64

256MB DDR PC2100, CL=2.5, UNBUFFERED, NON-ECC, DDR266, 2.5V, 32Meg x 64

256MB DDR PC2700, CL=2.5, UNBUFFERED, NON-ECC, DDR333, 2.5V, 32Meg x 64

128MB DDR PC2100, CL=2.5, UNBUFFERED, NON-ECC, DDR266, 2.5V, 16Meg x 64

128MB DDR PC2700, CL=2.5, UNBUFFERED, NON-ECC, DDR333, 2.5V, 16Meg x 64

128MB DDR PC3200, CL=3, UNBUFFERED, NON-ECC, DDR400, 2.6V, 16Meg x 64

AOpen AK77400G Memory FAQ

What is DDR?

DDR stands for Double Data Rate and is an enhanced type of memory which allows data to be read on both the rising and the falling edge of the clock. It basically delivers more data in less time than the previous memory technologies. The AOpen AK77400G uses DDR memory only.

What does PC1600, PC2100, PC2700, and PC3200 mean?

The number is the throughput speed of the memory in megabytes per second. The speed you need depends on what the installed CPU supports. You can also run faster rated memory for future upgrading or overclocking.

What does the CL number mean?

Column Address Strobe (CAS) Latency, or CL for short, specifies how many clock cycles the AOpen AK77400G motherboard must wait before the memory module is ready to deliver the requested memory. The lower the CL number, the faster the access time.

However, the performance difference between CL=2 and CL=3 is so small that you will not notice any degradation in speed. Unless you are overclocking your AOpen AK77400G, you do not need to worry about the CL rating. If you are overclocking, then going with a lower CL may help stabilize your AOpen AK77400G motherboard.