Tested at MicroCenter. Problem is unknown. For parts or not working. This kit includes two 8GB modules with a total capacity of 16GB. The RAM is designed with a speed of 3733MHz and is compatible with various laptops and desktops. The form factor is a DIMM and the type is DDR4 DRAM. Includes: 2x HyperX Fury 8GB 3733MHz DDR4 Please feel free to ask any questions. Thanks, Michael
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