QNAP TS-453B 4 Bay

4-bay Hot-swappable (SATA III – 2.5″ & 3.5″ HDD or SSD – hard drives not included)
Intel Celeron J3455 1.5Ghz quad-core CPU (burst up to 2.3 Ghz), Intel HD Graphics GPU,
4GB DDR3L RAM (Expandable to 8GB), 2x GigaLAN ports (10GbE Optional),
1x USB-C QuickAccess port for direct file access, 5x USB 3.0, 2x HDMI, SDXC Card Slot
OLED front panel display, Remote Control included, QTS-Linux Combo NAS
RAID: Single Disk, JBOD, 0, 1, 5, 6, 10, 5/6/10+Hot Spare, Global Hot Spare Drive

Manufacturer’s Link