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When it comes to improving the performance of your PC, purchase of additional RAM may be the least expensive yet most effective way a person can make. While the solution seems simple, the dizzying array of memory available to buy today to make the actual decision-making process difficult for all but the most technically savvy people. A very wide selection of different types of RAM are available now, SDRAM, EDO, RDRAM, DRAM, and name a few. Knowing how to determine,what types of RAM are with your current PC setup and what RAM is compatible election will give you the greatest power is the key to the right decision.

The aim of this guide is to choose the reader a basic understanding of what is RAM, what types of RAM available, and how, which would be the best buy RAM choices.

What is RAM?

The acronym RAM stands for Random Access Memory. RAM is where data is stored in your PC, said, so that data canAccess by the processor of your PC or CPU. RAM should be considered in your PC as a temporary space to for RAM memory to get the information must keep a constant pulse of current. All the data that exist only in memory of a PC will be deleted when the computer turned off or loses power.

PCs use several common technologies used to store data internally at a constant level than RAM. These storage media are ROM – read only memory, hard drives – that the storageMagnetic data in a permanent – or, depending on use – semi-permanent fashion, CDRW, DVDRWs, diskettes and tapes. All of these data storage methods can be considered more reliable than RAM data memory, but none of them offer the speed of data access that RAM does not.

RAM stores data that requires immediate surgery for PCs and in an extremely fast and reliable way. RAM allows a PC that would operate at speeds of reach if he were replaced bypermanent media. Think of RAM as a "fast lane" on a highway. RAM allows a function or application of key data in the fastest possible access to the processor to have. RAM is available as a "fast lane" for data that needs immediate attention from your PC's CPU. As such, the more RAM accesses your PC, the more "fast lanes" for the PC functions and applications available to access your PC CPU, the faster your PCperform.

Types of RAM

SDRAM, DDR SDRAM and Rambus are the three main types of RAM or PC memory in use today.

Modern RAM

Before the introduction of SDRAM, PC Memory operates asynchronously from the PC's clock speed. This asynchronous operation would create data bottlenecks within the PC itself, and the generally poor performance. Clock speed is the speed with which a lead microprocessor instructions, each computer contains an internalClock, regulates the process the speed at which the data is synchronized and individual components of a PC. Since it is clear, the faster the PC clock frequency, the faster the PC CPU can process data. Before RAM has been dubbed, would, at the same rate as the rest of the components of a PC, the PC-CPU would be forced into the occasional delay, while waiting for the RAM available to run to accept data. In theory, as long as SDRAM are operated with the same speed as the system clock,it would be possible to use the system on a regular and consistent basis – the data, the elimination of bottlenecks. Through the system RAM and commitment to their performance on the system memory manufacturers have been forced to meet increasing memory to PC clock speeds.

SDRAM:

SDRAM – synchronous dynamic random access memory – was the natural consequence of the PC industry: the search for better RAM and PC performance.

SDRAM is 66, 100 and 133MHz speeds,such as PC66, PC100 and PC133 or known. 66MHz RAM, in theory, would carry 66.6 million cycles per second and would be compatible with a 66MHz clock frequency. In general, memory is as backward compatible, so that a PC with a clock speed of 100MHz, a memory module could accept with a clock speed of 100MHz too. The disadvantage is that the memory will only run on 100MHz speed.

SDRAM is no longer the memory of choice for modern PC's, but due to the many PCs still on theUse market, SDRAM, it is certain that memory manufacturers will continue to produce the memory of this for some time. SDRAM has to be purchased on the market for some time and as such broad-based, as a product is still guaranteed. Previously available offers the buyer the opportunity to save a lot of money for the purchase, nor a minimum sacrifice in terms of reliability as RAM has no moving parts and is usually very robust and longDuration.

DDR SDRAM:

DDR and DDR2 – Double Data Rate SDRAM – was again a natural consequence of the PC industry: the search for better RAM and PC performance. DDR memory has been since the late 1990s and is a major leap forward in the RAM performance. In essence, DDR RAM achieved its improved performance by transferring data to the processor twice instead of once in the case of SDRAM, per clock cycle. Theoretically, a RAM module that refreshesEquate processor twice per clock cycle should be twice the performance of SDRAM available. In reality, not really DDR SDRAM offers twice the performance, but it is a significance improvement over the older standard.

Types of DDR and DDR2 memory that are available include PC1600 – 200MHz, PC2100 – 266 MHz, PC2700 – 333MHz, PC3200 – 400MHz, PC3500 – 433MHz PC3700 – 466 MHz, PC4000 – 500MHz, PC4200 – 533MHz and PC4400 — 566MHz. The first number represents thepeak memory bandwidth in megabytes that can be a RAM module offering per second. The second number, MHz is the clock speed that the module is compatible with. As with SDRAM, the memory is backward-compatible, a PC2100 chip with 266 MHz clock to the work with a PC with a clock speed of 266MHz and 200MHz both.

DDR and DDR2 memory are the current standard in the PC industry and will continue to be produced for some time. As with SDRAM, DDR and DDR2 types has been on the markethas for some time and be used as a refurbished or available. Both used and refurbished DDR memory offers substantial savings when purchased with the user similar reliability to new product.

RAMBUS:

Rambus – RDRAM – was developed by Rambus Corporation and may be assumed that a proprietary version of RAM, since only the Rambus company manufacturers it. Rambus is a high performance version of RAM typically found in high-end business-class PCs. TodayVery few manufacturers use the Rambus standard as DDR and DDR2 memory provides similar, and in some cases better performance. RAMBUS memory can be found in speed of PC800, PC1066 and PC1200. In general, you can buy RAMBUS PC800-() die () contains a number, which means the chip speed into the nano-second, PC800-45.

Memory and Performance:

While adding more memory does not guarantee a quick settlement, not enough storage is to ensure slow depths.After a lot of memory installed on the PC helps to ensure that your computer is working at the peak speed and efficiency. Adding memory to increase almost always negatively on the performance, especially if you run larger applications or multiple applications simultaneously. It is important to note that if your current memory installed, you will not see a threefold increase to triple the performance. You will almost always see some performance gain, but you are a long way to go slow in removingDepths.

There will always be my contention, and a good rule of thumb that can never have too much memory. Maxing it out with configuration with storage will help to guarantee the peak performance of your PC.

How to Choose Storage:

The choice of memory is dependent on several factors. First is the consideration of compatibility. Whether you are building a new PC or simply adding memory to an existing system, it is crucial that the memory you buy iscompatible with the motherboard. Most motherboards accept a certain standard memory, SDRAM, DDR, DDR2 or Rambus. To accept what type of memory that will identify your PC, you can either manually with your own motherboard, or if it is not available, the control of the motherboard for the brand and model number, you can go online and compatible identify card.

Generally, a motherboard that will accept SDRAM memory modules that accept a higher nominalin MHz than what specified by the manufacturer of the board. For example, if your current motherboard has a clock speed of 66MHz and accepts PC66 SDRAM, you can either PC100 or PC133 RAM chips installed. The Board will only use the memory to its maximum speed, however, such a PC133 SDRAM module will be operated only at 66 MHz. It is important to determine what RAM speeds – MHz – that their card is compatible before making a purchase.

You should also either an ownerManual or online documentation, the maximum memory that your board and support to physically inspect board available to determine how many slots are determined. Typically, you want the biggest and fastest-use RAM chips, which your board supports, and fill all available slots with matching memory speeds. For example, your board has three available slots and one is currently in use by a PC2100 266MHz DDR RAM module. You discover that your Board accept DDR RAMPC2700 speeds up to 333MHz. If you are to fill the remaining slots with PC2700 memory, your memory would work with the speed of the slowest RAM module only, in this case 266 MHz.

New and Used:

Is produced due to the sheer size of the store in recent years, you will find a wealth of used memory for sale. When it comes to the most for your money, it should be noted that the purchase of used memory is a good way to save money and is also always similarReliability and performance to new comparison. RAM has no moving parts to speak, and as such is extremely robust and reliable.

Spend some time researching prices between new and used memory modules. If you can buy or refurbished modules from suppliers, will provide the guarantees, you can make a big mistake, that additional spending money on new RAM.

A little research on your side, you can not only help ensure that you will see the maximum performance from your PC setup,, but also go a long way and save you money in both the short and long term.

Copyright 2006 www.hcditrading.com, Brad Calli

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