{"product_id":"hpe-192gb-6x32gb-ddr4-2133-lrdimm-kit-726722-192","title":"HPE 192GB (6 x 32GB) 2133MHz DDR4 PC4-17000 ECC Registered CL15 288-Pin Load Reduced DIMM 1.2V Quad Rank x4 Memory Kit - 726722-192","description":"\u003cp\u003eThe 726722-192 is a set of six HPE 32GB DDR4-2133 LRDIMMs that add up to 192GB. Each module matches HPE option part 726722-B21: quad rank x4, CAS 15-15-15, load reduced. They are made for ProLiant Gen9 servers.\u003c\/p\u003e\n\u003ch2\u003eWhere six modules sit\u003c\/h2\u003e\n\u003cp\u003eA Gen9 processor has four memory channels, so a two-CPU server has eight. Speed is best when every channel carries the same number of modules.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModules\u003c\/th\u003e\n\u003cth\u003eTotal\u003c\/th\u003e\n\u003cth\u003eChannels filled\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e4\u003c\/th\u003e\n\u003ctd\u003e128GB\u003c\/td\u003e\n\u003ctd\u003e4 of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e6 (this set)\u003c\/th\u003e\n\u003ctd\u003e192GB\u003c\/td\u003e\n\u003ctd\u003e6 of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e8\u003c\/th\u003e\n\u003ctd\u003e256GB\u003c\/td\u003e\n\u003ctd\u003e8 of 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e16\u003c\/th\u003e\n\u003ctd\u003e512GB\u003c\/td\u003e\n\u003ctd\u003e8 of 8, two per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e24\u003c\/th\u003e\n\u003ctd\u003e768GB\u003c\/td\u003e\n\u003ctd\u003e8 of 8, three per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSix modules cover six channels. HPE's population guide for your server shows the slot layout and how to keep the CPUs even. With two CPUs, put three modules on each.\u003c\/p\u003e\n\u003ch2\u003eWhat to match\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType.\u003c\/strong\u003e These are LRDIMMs. They can't share a server with RDIMMs such as the 726718-B21 or 728629-B21.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeed.\u003c\/strong\u003e The modules run at 2133 MT\/s, which is 17 GB\/s each. Mixed speeds fall to the slowest module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServer.\u003c\/strong\u003e Parts sellers list the 726722-B21 for Gen9 models such as the DL360, DL380, DL180, and BL460c. Check HPE's list for your model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy LRDIMM\u003c\/h2\u003e\n\u003cp\u003eEach module carries buffer chips that hide the load of its memory chips from the controller. That lets a server hold more memory per channel. The trade is a little extra latency and some added power.\u003c\/p\u003e\n\u003ch2\u003eReading the HPE name\u003c\/h2\u003e\n\u003cp\u003eHPE calls the single module \"32GB (1x32GB) Quad Rank x4 DDR4-2133 CAS-15-15-15 Load Reduced Memory Kit\". HPE's spare number for each module is 774174-001, and the module is organized as 4Gx72.\u003c\/p\u003e\n\u003ch2\u003eQuick answers\u003c\/h2\u003e\n\u003ch3\u003eCan I mix it with RDIMMs?\u003c\/h3\u003e\n\u003cp\u003eNo. A server holds one type or the other, so a set of LRDIMMs stays with LRDIMMs.\u003c\/p\u003e\n\u003ch2\u003eIs 726722-192 an HPE number?\u003c\/h2\u003e\n\u003cp\u003eHPE's own option number for one module is 726722-B21. The 726722-192 number names a set of six of them. Search either one and you find the same modules.\u003c\/p\u003e\n\u003ch2\u003e726722-192 specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHPE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSet part number\u003c\/th\u003e\n\u003ctd\u003e726722-192\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModule option part\u003c\/th\u003e\n\u003ctd\u003e726722-B21 (six of them)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSpare part per module\u003c\/th\u003e\n\u003ctd\u003e774174-001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTotal capacity\u003c\/th\u003e\n\u003ctd\u003e192GB (6 x 32GB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eType\u003c\/th\u003e\n\u003ctd\u003eDDR4 LRDIMM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSpeed\u003c\/th\u003e\n\u003ctd\u003e2133 MT\/s (PC4-17000)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRank\u003c\/th\u003e\n\u003ctd\u003eQuad rank x4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCAS latency\u003c\/th\u003e\n\u003ctd\u003e15-15-15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e1.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePins\u003c\/th\u003e\n\u003ctd\u003e288\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFits\u003c\/th\u003e\n\u003ctd\u003eProLiant Gen9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"HP","offers":[{"title":"Default Title","offer_id":62811022885235,"sku":"726722-192","price":1569.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0992\/9546\/1747\/files\/726722-192.jpg?v=1778021537","url":"https:\/\/cpurepublic.com\/products\/hpe-192gb-6x32gb-ddr4-2133-lrdimm-kit-726722-192","provider":"CPU Republic LLC","version":"1.0","type":"link"}