How much of an upgrade would 1x16GB RAM give over 2x4GB RAM if my PC has 4 slots and supports dual channel? Do single sticks still work well if my PCs support
![16GB (4 X 4GB) DDR3 1600MHz PC3-12800 240-pin Memory RAM DIMM Kit for Desktop PC by NEMIX RAM at Amazon.com 16GB (4 X 4GB) DDR3 1600MHz PC3-12800 240-pin Memory RAM DIMM Kit for Desktop PC by NEMIX RAM at Amazon.com](https://m.media-amazon.com/images/I/81aXXcvZWjL.jpg)
16GB (4 X 4GB) DDR3 1600MHz PC3-12800 240-pin Memory RAM DIMM Kit for Desktop PC by NEMIX RAM at Amazon.com
![A-Tech RAM 16GB Kit (4x4GB) DDR3 1333 MHz PC3-10600 DIMM - Desktop Computer Memory - CL9 240-Pin UDIMM Non-ECC Unbuffered Upgrade Modules at Amazon.com A-Tech RAM 16GB Kit (4x4GB) DDR3 1333 MHz PC3-10600 DIMM - Desktop Computer Memory - CL9 240-Pin UDIMM Non-ECC Unbuffered Upgrade Modules at Amazon.com](https://m.media-amazon.com/images/I/71zQwA1YZvL._AC_UF894,1000_QL80_.jpg)
A-Tech RAM 16GB Kit (4x4GB) DDR3 1333 MHz PC3-10600 DIMM - Desktop Computer Memory - CL9 240-Pin UDIMM Non-ECC Unbuffered Upgrade Modules at Amazon.com
![memory - I'm upgrading my RAM, and have conflicting results from CPU-Z and CrucialScan; how many RAM slots do I have? Also, 4x4GB vs. 2x8GB? - Super User memory - I'm upgrading my RAM, and have conflicting results from CPU-Z and CrucialScan; how many RAM slots do I have? Also, 4x4GB vs. 2x8GB? - Super User](https://i.stack.imgur.com/u3KwM.jpg)
memory - I'm upgrading my RAM, and have conflicting results from CPU-Z and CrucialScan; how many RAM slots do I have? Also, 4x4GB vs. 2x8GB? - Super User
![X79 Motherboard+E5 2650 CPU+4X4GB DDR3 1600Mhz REG ECC RAM Memory+SATA Cable+Switch Cable+Thermal Grease M.2 NVME - Walmart.com X79 Motherboard+E5 2650 CPU+4X4GB DDR3 1600Mhz REG ECC RAM Memory+SATA Cable+Switch Cable+Thermal Grease M.2 NVME - Walmart.com](https://i5.walmartimages.com/asr/dbe2bdf5-4a23-43ec-9760-9cc041c32689.d5bfad670490b3506c5e743f7196f287.jpeg)