Lockerstor 4RD AS6504RD Features: Intel Atom C3538 2.1GHz Quad-Core CPU 8 GB DDR4-2133 - 128 GB maximum Two Gigabit Ethernet and two 2.5-Gigabit Ethernet ports. Can provide up to 5 gbps when aggregated. Supports Wake-on-LAN and Wake-on-WAN Complete iSCSI/IP-SAN and NFS support - Supports VMware, Citrix and Hyper-V - Supports virtual machines and Docker applications Supports ACL and AD. Improves business application efficiency. PCIe slot for 10-Gigabit Ethernet card Specifications: CPU CPU Model Intel ATOM C3538 CPU Architecture x64 64-bit CPU Frequency Quad-Core 2.1GHz Memory Memory 8GB SO-DIMM DDR4 Memory Module Pre-installed 8GB (1 x 8GB) Total Memory Slots 4 Memory Expandable up to 128GB (4x 32GB) Flash Memory 8GB eMMC Storage Drive Bays 4 Compatible Drive Type 3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD Maximum Drive Bays with Expansion Unit 20 Supports Hot Swappable Drives Yes External Ports Expansion USB 3.2 Gen 1 x 4 Network Gigabit Ethernet (1G/100M) x 2; 2.5 Gigabit Ethernet (2.5G/1G/100M) x 2 PCIe Expansion Slots PCIe 3.0 x8 slot (black, x4 link) HDMI Output N/A Others System Fan 40mm x 2 Power Supply Unit / Adapter 250W x2 Input Power Voltage 100V to 240V AC Redundant power supply Yes Service LED Indicator Yes Certification FCC, CE, VCCI, BSMI, C-TICK, KCC, BIS Warranty 3 Years Operation Power Consumption 65W (Operation) 42.4W (Disk Hibernation) Noise Level - Operation Temperature 0°C~40°C (32°F~104°F) Humidity 5% to 95% RH Size and Weight Size 44(H) x 439(W) x 515(D) mm Weight 9.3 kg / 20.46 lbs