NAS QNAP Turbo station TS-251+ 8TB, 8GB RAM

CPU Intel® Celeron® J1900 4-core/4-thread processor, burst up to 2.42 GHz
CPU Architecture 64-bit x86
Graphic Processors Intel® HD Graphics
Floating Point Unit
Hardware-accelerated Transcoding
System Memory 8 GB SO-DIMM DDR3L
Maximum Memory 8 GB (2 x 4GB)
Memory Slot 2 x SO-DIMM DDR3L
When installing two memory modules, please ensure that they are the same size and ideally use the same type of RAM for both memory slots.
For the information of RAM module installation and compatible NAS models, please refer to the QNAP RAM Module Installation Guide.
Flash Memory 512MB (Dual boot OS protection)
Drive Bay 2 x 3.5-inch SATA 6Gb/s, 3Gb/s
The system is shipped without HDD.
For the HDD compatibility list, please visit https://www.qnap.com/compatibility/
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
SSD Cache Acceleration Support
Gigabit Ethernet Port (RJ45) 2
Wake on LAN (WOL)
Jumbo Frame
USB 2.0 port 2
USB 3.2 Gen 1 port 2
IR Sensor (RM-IR002 & MCE)
HDMI Output 1, (up to 1080p)
Form Factor Tower
LED Indicators Power/Status, LAN, USB, HDD1-2
Buttons Power, Reset, USB Auto Copy
Dimensions (HxWxD) 168,5 × 102 × 225 mm
Weight (Net) 1.28 kg
Weight (Gross) 2.32 kg

https://www.qnap.com/hu-hu/product/ts-251+/specs/hardware