NAS QNAP TS-464U-RP-8G

CPU : Intel Celeron N5095 (or N5105) 4-core/4-thread processor, burst up to 2.9 GHz
CPU Architecture : 64-bit x86
Graphic Processors :Intel UHD Graphics
System Memory : 8 GB on board (non-expandable)
Maximum Memory : 8 GB
Flash Memory : 4GB (Dual boot OS protection)
Drive Bay : 4 x 3.5-inch SATA 6Gb/s, 3Gb/s
Drive Compatibility : 3.5-inch bays:
3.5-inch SATA hard disk drives
2.5-inch SATA hard disk drives
2.5-inch SATA solid state drives
Hot-swappable
M.2 Slot Optional via a PCIe adapter
SSD Cache Acceleration Support
2.5 Gigabit Ethernet Port (2.5G/1G/100M) 2 (2.5G/1G/100M/10M)
Wake on LAN (WOL)
Jumbo Frame
PCIe Slot 1
Slot 1: PCIe Gen 3 x2
USB 2.0 port 2
USB 3.2 Gen 2 (10Gbps) Port 2 x Type A USB 3.2 Gen 2
HDMI Output : 1, HDMI 1.4b
Form Factor : 1U Rackmount
LED Indicators : HDD 1-4, Status, LAN, Expansion, Power
Buttons :Power, Reset
Dimensions (HxWxD) : 43.3 × 430 × 479 mm
Weight (Net) : 8.12 kg
Weight (Gross) : 10.1 kg
Operating Temperature : 0 - 40 °C (32°F - 104°F)
Storage Temperature : -20 - 70°C (-4°F - 158°F)
Relative Humidity : 5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F)
Power Supply Unit : 250W (x2), 100-240V
Power Consumption : HDD Sleep Mode 37.469 W
Power Consumption : Operating Mode, Typical 51.404 W
Tested with drives fully populated.
Fan : 2 x 40mm, 12VDC
System Warning : Buzzer
Max. Number of Concurrent Connections (CIFS) - with Max. Memory : 1500