technovelist Or you could buy Optane pmem on ebay for about $500/TB (https://www.ebay.com/itm/197906502972). Add a 2-socket server with Intel Xeon 8260L (~$2k maybe) and 64 GB of DDR4 DRAM (~$600) and put the Optane in memory mode and you could end up with about 6 TB of somewhat slower RAM for under $10k fairly easily. Reply
jeremyj_83 technovelist said: Or you could buy Optane pmem on ebay for about $500/TB (https://www.ebay.com/itm/197906502972). Add a 2-socket server with Intel Xeon 8260L (~$2k maybe) and 64 GB of DDR4 DRAM (~$600) and put the Optane in memory mode and you could end up with about 6 TB of somewhat slower RAM for under $10k fairly easily. Optane pmem is a dead technology, needs application support for non-volatile, is much slower than DRAM when used in the volatile setup and still needs at least 1/4 the system RAM to be DRAM for caching. Reply
technovelist jeremyj_83 said: Optane pmem is a dead technology, needs application support for non-volatile, is much slower than DRAM when used in the volatile setup and still needs at least 1/4 the system RAM to be DRAM for caching. I guess that depends on your definition of "dead technology". You can still buy as much Optane pmem as you want unless perhaps you are Oracle or Google. It has an almost unlimited lifespan in use and the hardware to use it is reasonably inexpensive and readily available on ebay. I'm referring to using it in memory (volatile) mode, which is quite transparent as you probably know. BTW, minimum system DRAM for caching is 1/16th, not 1/4, of the pmem capacity. Of course I'm not saying it's an ideal solution, but it is a solution for many people who don't have many other choices at present. Reply
jeremyj_83 technovelist said: I guess that depends on your definition of "dead technology". It literally isn't being developed and IIRC Intel stopped supporting before Ice Lake Xeon or with Ice Lake Xeon. technovelist said: BTW, minimum system DRAM for caching is 1/16th, not 1/4, of the pmem capacity. Yes you can do 1/16 but best practice and performance is 1/4. I did look into this a few years ago to upgrade the data center I run. Reply
Key considerations
- Investor positioning can change fast
- Volatility remains possible near catalysts
- Macro rates and liquidity can dominate flows
Reference reading
- https://www.tomshardware.com/pc-components/ddr5/SPONSORED_LINK_URL
- https://www.tomshardware.com/pc-components/ddr5/you-can-now-buy-2-terabytes-of-ddr5-server-ram-for-the-low-price-of-just-usd39-000-and-4-tb-for-usd77-000-nemix-offers-chart-topping-capacities-amidst-an-industry-shortage#main
- https://www.tomshardware.com
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