The HP Omen 15 sports two storage slots, one of which is occupied by a standard 2.5-inch SATA hard drive. This means that the Omen 15 can support a maximum of 4TB of storage. Additionally, the Omen 15 has a PCIe NVMe slot, which can support an SSD up to 3TB in size.
This means that the Omen 15 can offer considerably more storage than many other laptops on the market. Overall, the HP Omen 15 has ample storage options to meet the needs of most users.