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Crucial 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3L 1600 (PC3L 12800) Desktop Memory ...
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G.SKILL TridentZ Series 64GB (8 x 8GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) Intel ...
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G.SKILL TridentZ Series 128GB (8 x 16GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) ...
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G.SKILL TridentZ Series 64GB (8 x 8GB) 288-Pin DDR4 SDRAM DDR4 3466 (PC4 27700) Intel ...
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G.SKILL Trident Z Royal Series 64GB (8 x 8GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) ...
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Crucial 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3L 1600 (PC3L 12800) Desktop Memory ...
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G.SKILL Sniper Gaming Series 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) ...
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G.SKILL AEGIS 8GB 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model ...
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G.SKILL Ripjaws V Series 64GB (8 x 8GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) ...
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G.SKILL TridentZ Series 128GB (8 x 16GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) ...
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G.SKILL TridentZ Series 64GB (8 x 8GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) Intel ...
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G.SKILL TridentZ Series 32GB (4 x 8GB) 288-Pin DDR4 SDRAM DDR4 4133 (PC4 33000) Intel ...
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G.SKILL Trident Z Royal Series 64GB (8 x 8GB) 288-Pin DDR4 SDRAM DDR4 3600 (PC4 28800) ...
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G.SKILL Trident Z Royal Series 64GB (8 x 8GB) 288-Pin DDR4 SDRAM DDR4 3600 (PC4 28800) ...
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8GB DDR4 3200 MHz PC4-25600 SODIMM Laptop Memory RAM M471A1G44AB0-CWE
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Samsung 8GB 1RX8 PC4-DDR4-2400T-UA2-11 M378A1K43CB2
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Timetec Hynix IC 16GB Kit (2x8GB) DDR4 2666MHz PC4-21300 Unbuffered Non-ECC 1.2V ...
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CORSAIR Vengeance LPX 16GB (2 x 8GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) Intel ...
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Neo Forza FAYE 16GB (2x8GB) 288-Pin DDR4 3600 (PC4 28800) SDRAM Desktop Memory ...
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G.SKILL NS 2GB 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model ...
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Crucial Ballistix 16GB (2 x 8GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) Intel XMP 2.0 ...
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CORSAIR Vengeance RGB Pro 32GB (2 x 16GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) ...
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Crucial Ballistix 16GB (2 x 8GB) 288-Pin DDR4 SDRAM DDR4 3600 (PC4 28800) Intel XMP 2.0 ...
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Crucial Ballistix 2666 MHz DDR4 DRAM Desktop Gaming Memory Kit 16GB (8GBx2) CL16 ...
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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.