PC2100 DDR-266 2GB Memoria RAM para computadora

Expand Your Computers Memory with 2 GB of PC2100 DDR-266 RAM

RAM, or random-access memory, is one of the most critical parts of a computer. All open programs and data are temporarily stored in the RAM for as long as your computer is running. You can use these 2 GB memory modules to upgrade or add to the RAM in your desktop or laptop computer. This allows you to keep more programs open at the same time.

What is DDR memory?

DDR stands for double data rate. It was first introduced around 2000 as a means to improve the bandwidth, which is the data transfer rate of laptop and desktop computer RAM. DDR memory doubles the rate of data bandwidth by using a method called double pumping. In technical terms, double pumping transmits data on the rising and falling edge of the clock signal. There are four generations of DDR memory, including DDR2 and DDR3. Each generation represents an upgrade and is generally faster than the one before it.

What does PC2100 mean?

PC2100 and DDR-266 describe different aspects of the same type of module. The number 266 represents the speed or frequency of the interface between the RAM and the CPU, as measured in hertz. This is not a measure of bandwidth, but rather the clock speed of the interface as data is transferred to and from the CPU. The base frequency is 133 MHz but the DDR technology doubles the rate to 266 MHz. The number 2100 represents the actual peak bandwidth in megabytes per second. More precisely, a PC2100 memory module has a peak transfer rate of 2133.33 megabytes per second. This figure represents the maximum theoretical rate. Real-world performance may be somewhat lower, depending on conditions. PC2100 is a type of first-generation DDR RAM. It is common in many systems with an AMD Athlon or Intel Pentium III processor.

What are the important characteristics of a RAM memory module?

When you are purchasing RAM, you will want to consider the following factors:

  • Memory capacity: The capacity determines how much data can be stored within the computer memory. In this case, it is 2 GB.
  • Clock speed: This measures the frequency of the RAM, or the rate at which it can store and retrieve data.
  • Latency: There is a slight delay between the time that the RAM is told to access data and the time when the data is available to be transferred. This is the latency of the memory.
  • DIMM vs. SO-DIMM: DIMM stands for dual in-line memory module. It determines how the module connects with the motherboard. DIMM is designed for desktop computers, while the smaller SO-DIMM is designed for laptops and smaller computers. You need to pay close attention to the number of pins in the DIMM module that connects to the motherboard.
  • Error correction: Error-correcting code, or ECC, can identify and fix errors in the memory. If the module cannot correct errors, then it will be identified as non-ECC.
Are different types of memory modules compatible with each other?

Some computers allow you to mix modules within generations, but not between generations. For example, you can combine DDR-200 and DDR-266 modules, but the memory will likely operate at the frequency of the slower module. However, when it comes to entirely different generations of DDR memory, you will not be able to mix them together at all.

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