Notton Arguably better than dummy DIMMs in your A1/B1 slots of ATX mobos with 4 dimm slots. Undoubtedly wouldn't fit in server style mobos or mITX. Probably even some OC mobos like the MSI Z790Mpower, etc. could never fit these. From the looks of the slot key, the fan blows air to the top edge of the mobo on desktop style mobos. Reply
eichwana My RAM is water cooled. My ddr4 2600 could hit 3800+ If this fan could assist with those kinds of overclocks it’ll be picked by those wanting those clocks Reply
chaz_music The lower temperatures will lower the CMOS leakage current in the DRAM cells. That in turn COULD allow you to lengthen the refresh cycle time, which would definitely improve the system response due to less system pauses during DRAM refresh. But you have to be willing to tamper with refresh cycle timing, just like with overclocking adjustments. Maybe the memory makers should think about not dumping extra heat into the DRAM package from the RGB LEDs and driver circuits. Just a thought for those trying to increase their system performance. Adding bling usually does not help the performance. Putting LEDs and displays in the CPU cooler is along the same line. Adding a ~10W LCD display and its driver circuitry on the CPU cooler can't be helping the CPU cooling effectiveness. Reply
thestryker chaz_music said: Maybe the memory makers should think about not dumping extra heat into the DRAM package from the RGB LEDs and driver circuits. The majority of video cards dumping heat right into the DRAM is a bigger problem than anything memory makers are doing. This has been a problem for years, but it's a bigger one with DDR5 than DDR4 due to the PMIC and higher clocks. Don't get me wrong I absolutely agree regarding LEDs on DRAM (and the bad heatspreaders that come along with them). I have DRAM with no LEDs and good heatspreaders which still dropped 10C from having a couple of 80mm fans mounted over them (and I don't have a flow through video card) though. Reply
BillyBuerger That tiny fan on there looks like when chipsets has tiny heat sinks with tiny fans. Since it already appears to be too wide for a full set and needing space between the RAM, you could just fit a larger passive heat sink that actually has room to breath from normal case airflow and not having to rely on bad fans. And just because the sound output level is low, tiny fans like that tend to be higher pitched and more noticeable even when the numbers are not high. Reply
hwertz I mean I guess. The cost of doing this would have been unthinkable last year when (at least for DDR4) it was down toward $1 a GB. At todays prices? Why not, with current pricing that fan's a drop in the bucket. Reply
HyperMatrix 15C drop isn’t bad but it’s not crazy. Though that may be calculated at xmp profile settings. Possibly more of a drop if you raise voltage. My ram is at 1.59V and never even hits 30C with water cooling. The modules only uses like 5-6W so doesn’t generate insane amounts of heat. Any type of active cooling should provide a massive benefit. And a lot more conveniently than doing a block/loop for ram. Reply
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Reference reading
- https://www.tomshardware.com/pc-components/ddr5/SPONSORED_LINK_URL
- https://www.tomshardware.com/pc-components/ddr5/cooler-master-is-bringing-active-cooling-to-ddr5-ram-promising-up-to-15-degree-temperature-drops-masterdimm-combines-g-skill-memory-with-a-built-in-fan-kits-run-up-to-128gb#main
- https://www.tomshardware.com/subscription
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Informational only. No financial advice. Do your own research.