HP ProDesk 400 G4 Small Form Factor Desktop. SMART BUY 400G4 PD SFF I7-500. Processor: Intel Core i5 (7th Gen) 7500 / 3.4 GHz (3.8 GHz turbo) (Quad-Core) with Intel HD Graphics 630. Memory: 8 GB (installed) / 32 GB (max) - DDR4 SDRAM - non-ECC - PC4-19200 - 2400Mhz. Storage: 256GB Solid State Disk (SSD) | DVD-Writer. 8 Total USB - 4 x USB 2.0 (two of them with wake functionality) | 4 x USB 3.1 Gen1 (2 front, 2 rear) | 1 x DisplayPort | 1 x VGA | 1 x headphones/microphone (1 in front) | 1 x audio line-in | 1 x audio line-out | 1 x LAN (Gigabit Ethernet). OS Installed: Windows 10 Pro 64-bit Edition.