Hi @JohnJones X7851/ MD60538/ MSN 30022561 you have 2 x RAM 8192 MB DDR4 SO-DIMM (PC4-19200 / 2400 MHz) (2/4 occupied; 64 GB max.) and 1X HDD 1TB SATA ST1000LM048 1X SSD M.2 SATA (2280) 256GB SK Hynix HFS256G39TND-N210A it's a barebone Clevo P670 HP6-GM, here you can find a service manual: https://my.hidrive.com/share/yze8mg-wf8#$/CLEVO%20Service%20Manual%20Books/P_Series/P6_Series/P6xxHxx/P6567HPx/P67XHP6_SM%2820170202%29 under Specifications 1 - 3 you will find information about the upgrade. you can use another M.2 Sata and a second 2.5 "SSD(7mm) you will also find in the instructions how you can add and expand something. from page 2-4 bye Fishtown
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