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Impressive engineering for sure, but is it useful?
Intel’s Alder Lake CPUs and Z690 motherboards brought DDR5 memory to the desktop for the first time. The problem is that DDR5 supply has been severely impacted due to shortages of key components. Though there are Z690 boards that support DDR4, they are mostly low to mid-range options. If you must have a high end DDR5 system, and don’t want to pay scalper prices, it would be simple to just wait a couple of months before upgrading, by which time the supply of DDR5 memory should have stabilized a little. But, there’s another potential option.
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Asus is working on a DDR4 to DDR5 add-in card. How’s that for a skunk works project? Asus has shown in the past that it’s capable of some hefty engineering feats, including the co-development of double capacity RAM modules, but developing a DDR4 to DDR5 adapter with all of the challenges that entails is pretty extreme!
A Youtuber by the name of Bing (via Anandtech) posted a video (in Mandarin) that explains the concept and shows off a prototype in action. The idea is simple. Take a stick of DDR4 memory, place it onto the converter card, and insert it into a motherboard’s DDR5 slot. However, if the idea is simple, in an engineering sense, it’s far more complicated. While the Alder Lake memory controller supports both DDR4 and DDR5, the modules are fundamentally different in terms of architecture and power supply. The latter is a key roadblock as a DDR5 motherboard lacks the ability to manage the power supply of a DDR4 module, so this would have to be done via the converter.
The converter is very tall, so it’s likely to interfere with air coolers. In its current state, the converter can only accept one module, so you’d need to run two for dual channel. Running the device would require extensive BIOS modifications, since Asus’ Maximus boards all use DDR5, it would require a lot of engineering hours to properly implement.
Chris’ gaming experiences go back to the mid-nineties when he conned his parents into buying an ‘educational PC’ that was conveniently overpowered to play Doom and Tie Fighter. He developed a love of extreme overclocking that destroyed his savings despite the cheaper hardware on offer via his job at a PC store. To afford more LN2 he began moonlighting as a reviewer for VR-Zone before jumping the fence to work for MSI Australia. Since then, he’s gone back to journalism, enthusiastically reviewing the latest and greatest components for PC & Tech Authority, PC Powerplay and currently Australian Personal Computer magazine and PC Gamer. Chris still puts far too many hours into Borderlands 3, always striving to become a more efficient killer.
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