Expert Features ~ USED Product : ESPRIMO P958 Intel® Core™ i5-9500 processor, 9 MB, 3.00 GHz, up to 4.4 GHz Memory : 8GB DDR4 RAM 2666 MHz Supported capacity RAM (max.) : 64 GB, 4 Memory slot(s) DIMM (DDR4), Dual channel support, For dual channel performance, 2 memory modules have to be ordered. Capacity per channel has to be the same. 2666 MHz may be clocked down to 2400 MHz depending on processor and memory configuration Intel® UHD Graphics 610 Storage : 256GB SSD – SSD SATA III, 256 GB, 2.5-inch Interfaces 1 x Audio: line-in 1 x Audio: line-out 1 x Front audio: headphone 1 x Front audio: microphone 3 x USB 3.1 Gen1 (USB 3.0) total 5 x USB 2.0 total 2x USB 2.0; 2x USB 3.1 (gen2), 1x USB 3.1 (gen2) Type C; optional: 1x USB 3.1 Type-C (Gen2) via add on card and front adapter bay x USB front 2x USB 2.0; 3x USB 3.1 (Gen1); 1x USB 3.1 (Gen2); optional: additional 1x USB 3.1 Type C (Gen2) via add on card x USB rear 1x USB 2.0 x USB internal optional: via adapter card x VGA 1 x Ethernet (RJ-45) 1 (DVI-D) x DVI 1 (optional) x eSATA 2 x DisplayPort 2 x Mouse / Keyboard (PS/2)