This is a Samsung PM9B1 256GB M.2 NVMe SSD. It is a modern, ultra-fast internal storage drive made for HP laptops and desktops.
Size: M.2 2280 (slim like a stick of gum). It plugs directly into the motherboard without cables.
Technology: PCIe Gen4 x4.
Read Speed: 3,300 MB/s (opens files and boots Windows instantly).
Write Speed: 1,250 MB/s (saves data quickly).
Part Number: L85354-005 (on the upside-down sticker).
It is a compact, highly efficient drive used to keep computers running fast.