The L54921-601 is a genuine HP Envy x360 laptop motherboard featuring an integrated AMD Ryzen 5 3500U Quad-Core processor with a base clock of 2.1 GHz and turbo boost up to 3.7 GHz, offering reliable performance for multitasking and productivity. It supports DDR4 SDRAM with a clock speed of 2400 MHz and includes two SO-DIMM slots for memory expansion. This motherboard is compatible with HP Envy x360 models and includes essential I/O ports such as one USB 3.1 Gen 1 Type-C, one USB 3.1 Gen 1 Type-A, one HDMI port, and a headphone/microphone combo jack.

With built-in Radeon Vega graphics and integrated CPU, this board delivers efficient computing in a compact and modern design, making it an ideal replacement for restoring or upgrading your HP Envy x360 laptop.