CPU
9th Generation Intel Coffee Lake-H Quad Core i5-9300H/9400H or Hexa Core i7-9750H/9850H or Octa Core i9-9880H/9880HK Processor
Memory Type
PC4-21300 2666MHz DDR4 260pin SO-DIMM Laptop Memory
Standard Memory
up to 64GB
Memory Expansion Slots
2 SO-DIMM slots
USB Ports
Two USB v3.1 Gen-1 Type-A Ports and One USB v3.1 Gen-2 Type-C Thunderbolt-3 Display Port
Card Reader
3-in-1 Integrated SD 3.0 Card Reader Slot: (SD/SDHC/SDXC)
Original Optical Drives
External Option Only
Original Hard Drives
Optional in models with the Smaller 3-cell 56Whr Battery Installed - 500GB, 1TB, 2TB 5400RPM or 7200RPM SATA III 6Gb/s Hard Drive or 500GB, 1TB 5400RPM 8GB MLC NAND SATA III 6Gb/s Solid State Hybrid Drive
Original Solid State Drives
128GB, 256GB, 512GB M.2 NGFF (2280) SATA III 6Gb/s Solid State Drive or 128GB, 256GB, 512GB, 1TB, 2TB M.2 NGFF (2280) or (2230) PCIe NVMe 3.0 x4 Solid State Drive
Drive Notes
The Dell XPS 15 7590 Laptop Supports Either 1 or 2 Drives Depending on the Battery Installed. (One 2.5" Solid State Drive or Hard Drive with the Smaller 3-cell 56Whr Battery Installed and/or One M.2 NGFF (2280) or (2230) Solid State Drive) or (One M.2 NGFF (2280) or (2230) Solid State Drive with the Larger 6-cell 97Whr Battery Installed) Note: Models that have the larger 97Whr battery installed do not support 2.5" Drives due to the larger battery occupying the 2.5" Drive bay. The M.2 (2280) Solid State Drive has a unique thermal Plate and cannot be Interchanged with the (2230) Solid State Drive thermal Plate. If replacing the M.2 (2230) Drive for a M.2 (2280) Drive, you will need the M.2 (2280) Drive thermal plate p/n 90Y66 for installation. If Installing a 2.5" Drive in models with the smaller 56Whr battery installed, you will need the 2.5" Drive caddy p/n 3FDY3 and rubber rails p/n 3XYT5 and cable p/n XDYGX for installation. (The M.2 slot supports SATA and PCIe NVMe Solid State Drives)