L37355-001 HP 128GB TLC SATA 6Gbps M.2 2280 Internal Solid State Drive (SSD)
Installing SSD into HP Pavilion 550-A17C Desktop PC with AMD... - HP Support Community - 5695582
HP Pavilion 2020 Premium Gaming Desktop Computer I 9th Gen Intel Hexa-Core i5-9400 I 16GB DDR4 512GB PCIe SSD 1TB HDD I 2GB AMD Radeon RX 550 DVD WIFI USB Keyboard and
Adding an SSD is the best upgrade for an old PC to improve performance
SSD Upgrade for HP Pavilion Desktop 550-110 256GB/512GB/1TB/2TB | eBay
Inside HP ZBook Power G8 - disassembly and upgrade options | LaptopMedia.com