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Axiom 4GB DRAM Memory Module
$408 .60
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Hpe Smartmemory 32Gb Ddr4 Sdram Memory Module
$977 .49
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Micron Memory Bundle with 32GB (2x16GB) DDR4 PC4-21300 2666MHz DR x8 SODIMM ...
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HPE 16GB (1x16GB) Single Rank x4 DDR4-2666 CAS-19-19-19 Registered Smart Memory
$231 .13
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Axiom 32Gb Ddr3l Sdram Memory Module
$268 .87
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Axiom 1XD84AA-AX 8Gb Ddr4-2666 Ecc Rdimm For Hp - 1Xd84Aa
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Axiom 64GB DDR4 SDRAM RAM Module P07650-B21-AX
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Samsung Memory Bundle with 64GB (4 x 16GB) DDR4 PC4-21300 2666MHz Memory ...
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8GB Kingston ValueRAM 5600MHz CL46 DDR5 Memory Module
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Axiom 16GB DDR4 SDRAM Memory Module AX42933ES21B/16G
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Axiom AX42666E19B-16G 16 GB DDR4-2666 ECC UDIMM Memory
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Axiom 32GB DDR5 SDRAM Memory Module - For Notebook - 32 GB - DDR5-5600/PC5-44800 ...
$708 .19
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Kingston FURY Beast RGB 16GB DDR5 5600 (PC5 44800) Memory (Desktop Memory) Model ...
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Axiom 2GB DRAM Memory Module
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Axiom Memory Solutions
$169 .32
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Kingston Memory Bundle with 32GB (2 x 16GB) DDR4 PC4-21300 2666MHz Memory UDIMMs ...
$269 .99
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Axiom 32GB DDR4 SDRAM Memory Module 4X70Z84380-AX
$602 .44
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Axiom AA335286-AX 16 GB DDR4-2666 ECC UDIMM Memory for Dell
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Axiom 2GB DRAM Memory Module
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Crucial Pro 32GB (2 x 16GB) DDR5 6000 (PC5 48000) Desktop Memory Model ...
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Common Questions about Desktop Memory

Introduction

For a sluggish or underperforming desktop computer, a PC memory upgrade is often an effective way to increase performance. However, choosing the right desktop memory upgrade is not always easy. If you are looking for desktop memory, the memory finder tool is an excellent resource. In the next section, NeweggBusiness answers several of the most common questions about upgrading PC memory.

Questions

Why does PC memory have MHz ratings and what do they mean?

The MHz rating for PC memory is an indication of how quickly it can transfer data. The higher the MHz rating, the quicker the memory can transfer data. However, the transfer speed is bottlenecked by the motherboard and processor. If a stick of memory is rated at 1600 MHz but the processor and motherboard are limited to 1333 MHz, the memory will operate at the slower speed.

What does latency or timing mean for PC memory?

PC memory timings are performance measurements based around four parameters. These four ratings are written as four numbers separated by dashes, such as 7-8-7-24. It is better to have lower timings, as that means less latency. You should prioritize having lower latencies over faster MHz ratings.

What does memory voltage mean?

In order for PC memory modules to achieve their rated timings, they must operate at indicated voltages. If the memory modules are ran either under or over-voltage, there will be a risk of system instability and damage to the memory. However, increasing memory voltage can also lower timings for slightly faster performance.

Are there any advantages to multi-channel memory kits?

Multi-module PC memory upgrades are often marketed as dual-channel, triple-channel, or quad-channel. Known as matched memory, they are designed to work in conjunction for slightly increased performance. However, the motherboard must support multi-channel memory for there to be any benefit.

For example, if you have a motherboard that supports dual-channel memory, utilizing a matched 8 GB (2 x 4 GB) memory upgrade kit will net slightly better performance gains than two unmatched 4 GB memory sticks.

Can I use different memory brands, capacities, and speeds in the same computer?

Yes, you can use PC memory modules from different brands, with different capacities, and different speeds in the same computer. However, there will be no multi-channel performance gains because they will not be matched sets of memory. In addition, if the PC memory modules have different speeds, they will all run at the speed of the slowest module.

Are there limitations on how much memory I can install?

Yes, there are several limiting factors on how much memory you can install into one system. Most desktop motherboards only accommodate up to four unbuffered memory modules. On top of that, the largest capacity for a single unbuffered memory module is 8 GB. So the maximum amount of memory based on hardware limitations is 64 GB for unbuffered memory.

Another limitation on the benefits of additional PC memory is the operating system. An operating system can only utilize a limited amount of memory, and any extra memory past that amount will not be recognized. For example, Windows® 8 64-bit supports a maximum of 128 GB of PC memory while Windows 8 32-bit supports up to 4 GB. Past those maximums, any extra PC memory will not be recognized.