CPU
AMD Picasso Zen Mobile Ryzen 3/5 xxxxU Series or AMD Dali Mobile APU Athlon 3xxxU Series or AMD Stoney Ridge APU A4/A6/A9/E2 Series Processor
Memory Type
PC4-19200 2400MHz DDR4 260pin SO-DIMM Laptop Memory
Standard Memory
up to 16GB with AMD Ryzen 3/5 xxxxU series processor or up to 8GB with Athlon 3xxxU series or AMD Stoney Ridge APU A4/A6/A9/E2 series processor
Max Memory
up to 16GB with AMD Ryzen 3/5 xxxxU series processor or up to 8GB with Athlon 3xxxU series or AMD Stoney Ridge APU A4/A6/A9/E2 series processor
Memory Expansion Slots
2 SO-DIMM slots with AMD Ryzen 3/5 xxxxU series processor or 1 SO-DIMM slot with Athlon 3xxxU series or AMD Stoney Ridge APU A4/A6/A9/E2 series processor
USB Ports
Two SuperSpeed USB v3.1 Gen-1 Type-A Ports and One USB v2.0 Type-A Port
Card Reader
HP Multi-Format Secure Digital Media Reader Slot: (SD/SDHC/SDXC)
Original Optical Drives
Not Installed
Original Hard Drives
500GB, 1TB 5400RPM or 7200RPM SATA III 6Gb/s Hard Drive
Original Solid State Drives
128GB, 256GB M.2 NGFF (2280) SATA III 6Gb/s Solid State Drive or 256GB M.2 NGFF (2280) PCIe NVMe 3.0 x4 Solid State Drive
Drive Notes
The HP 255 G7 Notebook Supports Either Single Drive or Dual Drive Configurations Depending on the System Board Installed. (Single and Dual Drive Options with a AMD Ryzen 3/5 xxxxU Series Processor: One 2.5" Solid State Drive or Hard Drive and/or One M.2 NGFF (2280) Solid State Drive) or (Single Drive Options with a AMD Athlon APU 3xxxU Series or A4/A6/A9/E2 Series Processor: One 2.5" Solid State Drive or Hard Drive or One M.2 NGFF (2280) SATA Solid State Drive using a M.2 Drive Bracket) Note: When the M.2 (2280) Drive is installed in models with a AMD Athlon 3xxxU series or A4/A6/A9/E2 series processor, the M.2 Drive occupies the 2.5" Drive bay by using a M.2 Drive bracket p/n L20458-001 and connector board p/n L20457-001 and Drive. If replacing the M.2 Drive for a 2.5" Drive in models with a AMD Athlon 3xxxU series or A4/A6/A9/E2 series processor, or adding a 2.5" Drive to models with a AMD Ryzen 3/5 xxxxU series processor, you will need the 2.5" Drive caddy p/n L20455-001 and connector board p/n L20454-001 and cable p/n L20456-001 for installation. (The M.2 Drive board supports SATA only Solid State Drives and the M.2 slot on the AMD Ryzen 3/5 xxxxU series system boards support SATA and PCIe NVMe Solid State Drives)