![]() ![]() Modules with ECC technology are identified by the addition of an ECC in their name. Error-correcting memory is commonly used in scientific and financial applications, which cannot tolerate many errors. ![]() As the name implies, ECC memory automatically detects and corrects for internal data corruption. What does ECC mean?ĮCC stands for error-correcting code memory. Note that this is the peak transfer rate. The fastest DDR2 RAM is PC2-8500 with a transfer rate of 8533.33 MB/s. For instance, PC-3200 has a transfer rate of 3200 MB/s, PC2-4200 has a transfer rate of 4266.67 MB/s, etc. The module name signifies the approximate peak data transfer rate of the memory RAM. If you are purchasing multiple memory modules or a second module, make sure they are the same type. Therefore, they will not fit into the same motherboard. And although DDR1 and DDR2 SODIMM memory have the same pin counts, the notch is on a slightly different position. For example, DDR1 SDRAM has a 184-pin module compared to the 240-pin module of DDR2 memory. That's because each type of RAM has different pin counts and notch positions. But DDR2 cannot be paired with DDR1, DDR3, or DDR4 SDRAM. DDR2 is compatible with other DDR2 modules although the memory controller will only operate at the speed of the slowest module present. Are different types of RAM compatible with each other? Before purchasing any memory, check your motherboard to ensure that the pin count is compatible first. DDR2 SODIMM, which is compatible with laptops, has 200 pins. DDR2 DIMM, which is primarily compatible with desktop computers, has 240 pins. There are two types of RAM: DIMM and SODIMM. The result in this 4GB DDR2 is better overall performance. Each new generation is faster than the previous one. The name DDR2 signifies that it is the second generation of DDR memory. Even if the clock speed remains otherwise the same, DDR SDRAM would still be faster. Whereas standard SDRAM sends data only once per clock cycle, DDR SDRAM sends data twice per clock cycle, as the name implies. Widely used since the 1990s, SDRAM is synchronized with an external clock signal, such as the CPU, therefore eliminating long waiting times as the data is made available to the rest of the system. SDRAM stands for synchronous dynamic RAM. Patriot 8gb Kit 2x 4gb Ddr2 Pc2-5300 Memory for IBM Lenovo HP Dell Laptop. There are two components to it: SDRAM and DDR2. A-Tech 4gb Pc2-6400 Laptop SODIMM Ddr2 800 MHz 200-pin Notebook Memory RAM 1x 4g. This kind of desktop or laptop memory refers to a very specific type of RAM used in computers. The desktop or laptop RAM is the part of the computer that temporarily stores all of the open programs and data while the system is operational. DDR2 SDRAM is a type of RAM interface first introduced around 2003. ![]()
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