QNAP TS 451D2 2G

CPU: Intel® Celeron® J4025 dual-core 2.0 GHz processor (burst up to 2.9 GHz)

CPU Architecture: 64-bit x86

Memory Slot: 2

Flash Memory: 4GB (Dual boot OS protection)

Drive Bay: 4 x 3.5-inch SATA 6Gb/s, 3Gb/s

Drive Compatibility 3.5-inch SATA hard disk drives

2.5-inch SATA hard disk drives

2.5-inch SATA solid state drives

Hot-swappable: Yes

SSD Cache Acceleration Support: Yes

Gigabit Ethernet Port (RJ45): 2

Graphic Processors: Intel® HD Graphics 600

System Memory: 2GB

Maximum Memory: 8GB

USB 3.2 Gen 1 port: 4

HDMI Output: 1, HDMI 2.0 (up to 4096 x 2160 @ 60Hz)

LED Indicators: Power/Status, LAN, USB, HDD1-4

Buttons: Power, USB copy, Reset

Power Supply Unit: External Power Adapter, 90W, AC 100-240V