One of the expansion slots was apparently used, at one time and the. HP WORKSTATION Z SFF E V3 GHZ / 4GB PS/2 PORTS (KEYBOARD, MOUSE) EXPANSION: MEMORY 4 DIMM SLOTS, SUPPORTING UP TO 32GB ECC/NON-ECC, DDR3 MHZ. La estación de trabajo torre HP Z aumenta la capacidad de almacenamiento con seis bahías libres para unidades, incluida una bahía alta definición de 2,5. 5 °C. PCI, PCI Express, PCI Express x1, PCI Express x EXPANSION: MEMORY 4 DIMM SLOTS, SUPPORTING UP TO 32GB ECC/NON-ECC, DDR3 MHZ STORAGE: EXPANSION BAYS: 2 EXTERNAL HALF HEIGHT BAYS 1 EXTERNAL SLIM. Expansion Slots. All four of the memory slots are occupied, so no possibility for further expansion. . DVI, PS/2, USB , USB , Ethernet (RJ), D-Sub, DisplayPort. ATX. Expansion slots · Card configuration restrictions for power supplies · Choosing an expansion card slot · SFF workstation slot identification and description. Expansion / Connectivity. of Memoy Slots: 4 I/O Ports: PS/2, Ethernet (RJ), USB, DisplayPort,l Serial, USB , AudioJacks Expansion Slots: 2x PCI Express x16, PCI Express x4, PCI. Technology: DDR3. Form Factor. Bays: 1 (total) / 1 (free) x PS/2 mouse ¦ 1 x LAN (Gigabit Ethernet) ¦ 1 x Slots: 4 (Total) / 4 (empty). PS/2 PORTS (KEYBOARD MOUSE) EXPANSION: MEMORY 4 DIMM SLOTS SUPPORTING UP TO 32GB ECC/NON-ECC DDR3 MHZ STORAGE: EXPANSION BAYS 1 EXTERNAL HALF HEIGHT.