3***** Why on a known "bad" RAM and all lights still lit up? ***** Please download the listing " Product guides and documents" section the "User Guide (PDF) " to see the description 'point 4' which explains the DDR4 NonECC (standard PC) RAM and the DDR4 ECC (server) RAM. *** unbuffered NonECC (standard PC) RAM will not work on buffered/registered ECC Server motherboards even though the NonECC RAM test passed. ***
4***** Please also see the listing page the Video instruction playback at 6:46 s when some lights not lit up indicating there was short / open circuit on the actual bad DDR4 memory module. Multi-layers quality materials made, professional precisely crafted, sturdy and durable. Free life time supports from 29 years IT professional.
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