Memoria Ram ordenador G. SKILL PC2-6400

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How to Accelerate a DDR2 System

One of the catches with advancements in desktop memory systems is that with very few exceptions, most computers only support one type of memory technology. This means you cant just drop a 4 GB stick of DDR4 in a slot designed for PC2-6400.

What is DDR2?

DDR2 is the second generation of Double Data Rate Random Access Memory designed for computer use. The basic idea behind all forms of DDR is that there comes a point where the best way to increase data transfer rates is to move more bits with each tick of the clock. There are several factors that define DDR2 memory:

  • Packaging:The basic desktop package is a 240-pin DDR2 SDRAM DDR2 DIMM, or dual inline memory module. Each RAM stick runs at a default of 1.8 Volts and requires a compatible slot and memory controller. For laptop memory, you need the smaller SO-DIMM form factor.
  • Performance:One factor to consider is that G.Skill DDR generally outperforms DDR2 at the same base clock and transfer rate; PC3200 is faster and has less latency than PC2-3200. The benefit of the later technology is headroom; PC2-6400 has twice the transfer rate of PC3200 and that outweighs the latency issue.

How Do You Choose Memory?

Choosing memory is usually a fairly simple affair, though you may want to pay more attention to the details when youre overclocking and raising the voltage as that puts more of a strain on the memory bus and rewards you for using higher quality SDRAM. For those who arent overclockers, there are two main factors to focus on: 

  • Capacity:For many users, capacity is the single most important factor when looking for G.Skill DDR2. There is often an immediate response to switching from 2 GB RAM to a 4 GB kit. More RAM means better multi-tasking and the ability to keep the processor fed. 
  • Speed:More than just MHz, memory speed refers to two primary factors. Its both the interface frequency and the bandwidth. For example DDR2-800 and DDR2 PC2-6400 describe the same RAM but the terminology refers to two different things; there is an 800 MHz effective bus clock, and a data transfer rate of 6.4 GB per second.

Choosing the Right Amount of Memory

At one time, the enthusiast rule was that you wanted as much SDRAM as your motherboard supported, but that rule has largely gone by the wayside. For most people its reasonable to suggest that 4 GB is the minimum, 8 GB the mainstream, and 16 GB the point of diminishing returns. Installing more RAM is a benefit when youre using more than you have, but once you have more than your programs need you see less of a benefit.

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