Memory - RAM

Random Access Memory (RAM) is where data the CPU is working with is temporarily stored. More RAM is generally better, although there are diminishing returns above 16GB for consumer PC, while 32-bit versions of Windows only support a maximum of 4GB. Speed, measured in MHz, is another consideration, as is latency, but most importantly memory needs to be compatible with your motherboard: it'll either be DDR, DDR2, DDR3 or DDR4, and modern AMD- and Intel-based PCs use DDR4 memory alone. Smaller SODIMM modules for laptops and mini PCs and ECC registered memory for servers are all available in this category.

DDR3 Single/Dual Channel 1800MHz+ RAM Memory Kits

DDR3 memory is the most common memory. Excluding Intel X99, all current generation Intel and AMD desktop chipsets (and many previous generations too) use it. These high-end kits range from 4GB to 16GB with speeds from 1,866MHz to 3,000MHz – you may need to enabled the memory's XMP (Extreme Memory Profile) in your motherboard's BIOS to run it at full speed. Each kit has two identical sticks – they're designed for motherboards with just two slots or with four slots that need to be filled in pairs.

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Tekspek An in-depth guide into tech: Gigabytes and Gibibytes System Buses & Bandwidth DC Ram DDR3

DDR3 SO-DIMM 1066MHz+ RAM Memory Kits

SODIMM memory is smaller than standard modules, and is used in laptops and mini-PCs. As long as you can access your system's memory slots, you can upgrade it. The kits here come in a range of speeds and capacities, so make sure your system is compatible with the memory you choose.

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Tekspek An in-depth guide into tech: Gigabytes and Gibibytes System Buses & Bandwidth DC Ram DDR3

Server DDR4 2133MHz RAM Memory Kits

DDR4 server memory brings maximum speed and efficiency to Intel's quad-channel Xeon E5 and six-channel Xeon Scalable platform and AMD's eight-channel EPYC platform.

Server memory is designed to have rock solid stability 24/7. ECC (error correcting code) modules are immune to errors, while registered/buffered sticks reduce memory controller load and ensure additional stability when using many modules together. Motherboards need to support ECC and registered memory for these features to work. These particular modules are rated up to 2133MHz.

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Server DDR4 2400MHz RAM Memory Kits

DDR4 server memory brings maximum speed and efficiency to Intel's quad-channel Xeon E5 and six-channel Xeon Scalable platform and AMD's eight-channel EPYC platform.

Server memory is designed to have rock solid stability 24/7. ECC (error correcting code) modules are immune to errors, while registered/buffered sticks reduce memory controller load and ensure additional stability when using many modules together. Motherboards need to support ECC and registered memory for these features to work. These particular modules are rated up to 2400MHz.

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Server DDR3 1600MHz RAM Memory Kits

Available as regular DIMMs or SO-DIMMs for micro-servers, these DDR3 modules are designed for servers and are engineered and clocked to provide rock solid stability 24/7. ECC (error correcting code) modules are immune to errors, while registered/buffered sticks reduce memory controller load and ensure additional stability when using many modules together. Motherboards need to support ECC and registered memory for these features to work.

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Server DDR4 2666MHz RAM Memory Kits

DDR4 server memory brings maximum speed and efficiency to Intel's six-channel Xeon Scalable platform.

Server memory is designed to have rock solid stability 24/7. ECC (error correcting code) modules are immune to errors, while registered/buffered sticks reduce memory controller load and ensure additional stability when using many modules together. Motherboards need to support ECC and registered memory for these features to work. These particular modules are rated up to 2666MHz.

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