![A-Tech 32GB Memory Kit for HP Workstation Z420 - (4X 8GB) DDR3 1066MHz PC3-8500 Dual Rank x4 ECC Registered DIMM RAM at Amazon.com A-Tech 32GB Memory Kit for HP Workstation Z420 - (4X 8GB) DDR3 1066MHz PC3-8500 Dual Rank x4 ECC Registered DIMM RAM at Amazon.com](https://images-na.ssl-images-amazon.com/images/I/61Npd6-YqVL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
A-Tech 32GB Memory Kit for HP Workstation Z420 - (4X 8GB) DDR3 1066MHz PC3-8500 Dual Rank x4 ECC Registered DIMM RAM at Amazon.com
![Ram is listed in the Pinnacle Ridge of the QVL list of a motherboard, does that mean it works with that motherboard? : r/buildapc Ram is listed in the Pinnacle Ridge of the QVL list of a motherboard, does that mean it works with that motherboard? : r/buildapc](https://external-preview.redd.it/Eb8vrzy73jVjoujQ_se6vxfOSUJwgAKktQzZ0X2Fktg.jpg?width=640&crop=smart&auto=webp&s=658968f75914b117b31929dc708c7815ae6af19b)
Ram is listed in the Pinnacle Ridge of the QVL list of a motherboard, does that mean it works with that motherboard? : r/buildapc
![SOLVED] - RAM from QVL list doesn't want to run in dual channel, OS sees half of it | Tom's Hardware Forum SOLVED] - RAM from QVL list doesn't want to run in dual channel, OS sees half of it | Tom's Hardware Forum](https://i.imgur.com/XC1UvFp.jpg)
SOLVED] - RAM from QVL list doesn't want to run in dual channel, OS sees half of it | Tom's Hardware Forum
![ddr3 - What does "DIMM socket support" mean in a QVL (Qualified Vendors List) over RAMS for a motherboard? - Super User ddr3 - What does "DIMM socket support" mean in a QVL (Qualified Vendors List) over RAMS for a motherboard? - Super User](https://i.stack.imgur.com/IaUqB.png)