Desktop Memory - Showing 1849 - 1872 of 2365 Products

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MemoryMasters 4GB ( 2 x 2GB ) DDR2 DIMM (240 PIN) AM2 667Mhz PC2 5400 / PC2 5300 ...
$55 .00
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Genuine Samsung M378B5773DH0-CK0 Computer Memory 2GB 1Rx8 PC3-12800U ...
$19 .79
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Kingston ValueRAM 2GB Kit (2x1GB) 667MHz DDR2 Non-ECC CL5 240-Pin Unbuffered DIMM ...
$19 .93
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MICRON MT36KDZS2G72PZ-1G6 16GB 2Rx4 PC3L-12800 1600MHz VLP REG SERVER ...
$74 .99
MICRON 2GB 1333MHZ DDR3 PC3-10600 NON-ECC UNBUFFERED 240-PIN SINGLE RANK ...
$14 .00
ZVVN 16GB Kit (4x 4GB) DDR3L 1866 (PC3L 14900) 240 Pin 1.35V CL10 DIMM PC RAM Desktop ...
$68 .99
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Kingston ValueRAM 256MB DDR 266 (PC 2100) Desktop Memory Model KVR266X64C25/256
$14 .85
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MemoryMasters NEW! 2GB (2X1GB) DDR Memory ABIT AG8-V
$29 .99
MemoryMasters 2GB 2x 1GB DDR2 PC2 5300 667Mhz 240 Pin DIMM 2 GB KIT
$24 .99
MemoryMasters 16GB (2x8GB) DDR3-1600MHz PC3-12800 NON-ECC UDIMM 2Rx8 Desktop ...
$99 .68
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Samsung 4GB PC3-12800 DDR3-1600MHz non-ECC Unbuffered CL11 240-Pin DIMM ...
$28 .58
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Memory - 1 GB - DIMM 240-pin - DDR3 - 1066 MHz - unbuffered
$14 .88
MemoryMasters Crucial 4GB Kit (2GBx2) DDR2 800MHz (PC2-6400) CL6 Unbuffered UDIMM ...
$32 .36
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ZVVN 8GB Kit (2x 4GB) DDR3L 1333 (PC3L 10600) 1.35V CL9 DIMM PC RAM Desktop Computer ...
$48 .99
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MemoryMasters 32GB (4x 8GB) DDR3 PC3-15000 1866MHz DIMM with Red Heatspreaders ...
$254 .75
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KINGSTON KC6844-ELG37 1GB DESKTOP DIMM DDR2 PC4200(533) UNBUF 1.8v 2RX8 240P ...
$19 .99
MemoryMasters 2GB 2X 1GB DDR2 667MHz PC2-5300 PC2-5400 DDR2 667 (240 PIN) DIMM ...
$19 .75
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ZVVN 8GB DDR3L 1600 (PC3L 12800) 1.35V CL11 Desktop DIMM RAM Computer Memory ...
$32 .99
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Kingston ValueRAM 1GB 667MHz DDR2 Non-ECC CL5 DIMM Desktop Memory
$7 .89
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HYMP164U64CP6-Y5 Hynix 512mb Ddr2 667mhz Pc2-5300 240-Pin Non-Ecc Unb
$19 .99
HYMP564U648-E3 Hynix 512mb Ddr 400mhz Pc2-3200 240pins Cl-3 Ddr2 Non-
$29 .99
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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.