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Hello TechInferno Fans! I'm a newbie to the site, but not a newbie to computers. I've been working on them and with them since 1996. I have always been a bit confused with RAM memory specifically the following aspect. I'm building a Clevo P870TM (a.k.a Sager NP9877, Eurocom SkyX9C) laptop with an i9-9900k Intel CPU. The CPU Memory specs are as follow: Max Memory Size (dependent on memory type) 128 GB Memory Types DDR4-2666 Max # of Memory Channels 2 Max Memory Bandwidth 41.6 GB/s ECC Memory Supported No Laptop Service manual states the following: Four 260 Pin SO-DIMM Sockets Supporting DDR4 2666MHz Memory (The real memory operating frequency depends on the FSB of the processor.) Memory Expandable from 8GB (minimum) up to 128GB (maximum) with i9 CPUs. Compatible with 4GB, 8GB, 16GB & 32GB Modules. Supports XMP 2666/3000 MHz. XMP is processor dependent and works with four DIMMs in dual channel or two DIMMs in single channel. The computer has four memory sockets for 260 pin Small Outline Dual In-line (SO-DIMM) DDR 4 type memory modules. The total memory size is automatically detected by the POST routine once you turn on your computer. Note that four SO-DIMMs are only supported by Quad-Core (and greater) CPUs; Dual-Core CPUs support two SO-DIMMs maximum. Two primary memory sockets are located under component bay cover (the bottom case cover), and two secondary memory sockets are located under the keyboard (not user upgradable). If you are installing only two RAM modules then they should be installed in the primary memory sockets under the component bay cover. Note that the RAM located under the keyboard is not user upgradable. I have no idea why the manual states "not user upgradable." The only thing I can think of is if the memory modules under the keyboard were soldered in place. Then they are not user upgradable. The CPU I have is an eight (8) core CPU, which means it supports four (4) SO-DIMMS in Dual Channel or two (2) SO-DIMMS in Single Channel. 16GB mem specs: Capacity: 16GB Memory Type: DDR4 ECC: Non-ECC DIMM Type: SODIMM Rank: 2Rx8 Speed: 2666 Voltage: 1.2V Density: 8G Depth: 2G Pins: 260 pin Width Height: x64/LP Width: x64 Die Generation: 4th Package Type: Flipchip Die Package: SDP Organization: x8 CL: 19 TRCD: 19 TRP: 19 32GB mem specs: Capacity: 32GB Memory Type: DDR4 ECC: Non-ECC DIMM Type: SODIMM Rank: 2Rx8 Speed: 2666 Voltage: 1.2V Density: 16G Depth: 4G Pins: 260 pin Width Height: x64/LP Width: x64 Die Generation: 2nd Package Type: Flipchip Die Package: SDP Organization: x8 CL: 19 TRCD: 19 TRP: 19 The obvious differences between the two type of memory are the specs on density, depth and die generation. I would like to buy 2x32GB memory sticks for $168 as opposed to 4x16GB for $192 and spend the difference on sea salt caramel ice cream (seriously). What are the PROS and CONS of 64GB in the Primary Single Channel (2 memory sticks) as opposed to 64GB in Dual Channel configuration (4 memory sticks). I really appreciate your help. PS (future questions should be WAY shorter than this.)
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Hi all So I just got myself a ram upgrade for the laptop which is a mech-15hs, and to my disappointment, it doesnt support XMP, but would thaiphoon burner enable that? The chips I bought are supposed to "auto-overclocked" to highest potential, but obviously it just stays stock without xmp. These are the chips: https://www.kingston.com/dataSheets/HX426S15IB2_16.pdf The PNP profile is 15-17-17-35-60-467 & 2666mhz and thats the same first timings as the first xmp profile at 15-17-17, so is there any point of even getting thaiphoon burner at this point? Or would using that enable xmp and auto overclock and such? The CPU is an i7-7700hq, and I dont think anyone has gotten past 2666mhz with it anyway, so am I just beating a dead horse with TB? Or are my chips really that good out the box?
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I dont have a notebook that does xmp or overclocking (dell latitude). So I would be stuck with stock settings, but could that be changed from an SPD Flash or something? Heres what im getting. http://www.kingston.com/datasheets/HX321LS11IB2K2_16.pdf - I would love to see these work at 10-11-12-31 at T2. They are supposed to auto-overclock, though I dont know how that works with dell latitudes. I though about doing gskill 2133 for the command rate of T1 over kingstons T2, but stability is a little more important then extra speed. Unless of course anyone can show me otherwise.