"ESPRIMO P557/E85+ BASE UNIT with Mainboard D3500 (proprietary); CHIPSET: IntelH110; MEMORY: 2 DIMM slots (DDR4, 2400 MHz) with max. 32 GB, dual channel support (for dual channel performance 2 memory modules have to be ordered, capacity per channel has to be the same); GRAPHICS onboard: Intel HD Graphics 630, Intel HD Graphics 610, Intel HD Graphics 530, Intel HD Graphics 510; AUDIO: Realtek ALC671; LAN: 10/100/1000 Mbit/s, Realtek RTL8111G; SLOTS: 2x PCIe 2.0 x1, 1x PCIe 3.0 x16 DRIVE bays: 1x 3.5-inch external, 1x 3.5-inch internal, 1x 2.5-inch internal, 2x 5.25-inch external; POWER SUPPLY: 280W max output; INTERFACES: Front: 1x Audio headphone, 1x Audio microphone, 2x USB 3.0, 2x USB 2.0; Rear: 1x DisplayPort, 1x DVI-D, 2x USB 2.0, 2x USB 3.0, 1x LAN(RJ45), 2x PS2; 1x Audio line-in, 1x Audio line-out, 1x VGA via adapter card optional; Internal: 1x USB 2.0; 1x eSATA (optional); Fujitsu DeskView Client, Fujitsu DeskView Instant BIOS management; Fujitsu Workplace Protec