Dell 390 SFF vs Dell 790 SFF

Key differences

The Dell 790 SFF has 8 GB more maximum internal memory than the Dell 390 SFF (16 GB vs 8 GB). The Dell 790 SFF has 2 x DIMM more memory slots than the Dell 390 SFF (4x DIMM vs 2x DIMM). The Dell 790 SFF has 2 more USB 2.0 ports quantity than the Dell 390 SFF (10 vs 8). Motherboard chipset: Intel® H61 on the Dell 390 SFF, Intel® Q65 Express on the Dell 790 SFF.

• Maximum internal memory
  • 390 SFF:8 GB
  • 790 SFF:16 GB
• Memory slots
  • 390 SFF:2x DIMM
  • 790 SFF:4x DIMM
• Motherboard chipset
  • 390 SFF:Intel® H61
  • 790 SFF:Intel® Q65 Express
• USB 2.0 ports quantity
  • 390 SFF:8
  • 790 SFF:10