Qnap TS-832PXU-4G/AZ

CPU	AnnapurnaLabs Alpine AL324 64-bit ARM® Cortex-A57 quad-core 1.7GHz processor
CPU Architecture	64-bit ARM
Floating Point Unit
Encryption Engine
System Memory	4 GB UDIMM DDR4 (1 x 4 GB)
Maximum Memory	16 GB (1 x 16 GB)
Memory Slot	1 x Long-DIMM DDR4
Flash Memory	512 MB (Dual boot OS protection)
Drive Bay	8 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 SSD Slot	Optional via a PCIe adapter
SSD Cache Acceleration Support
2.5 Gigabit Ethernet Port (2.5G/1G/100M)	2
10 Gigabit Ethernet Port	2 x 10GbE SFP+
Jumbo Frame
PCIe Slot	1 Slot 1: PCIe Gen 2 x2 PCIe bandwidth limitations will restrict the NAS 10GbE performance.
USB 3.2 Gen 1 port	4
Form Factor	2U Rackmount
LED Indicators	HDD 1-8, Status, LAN, Storage expansion
Buttons	Power, Reset
Dimensions (HxWxD)	3.5 × 18.98 × 21.02 inch
Weight (Net)	20.83 lbs
Weight (Gross)	33.49 lbs
Operating temperature	0 – 40 °C (32°F – 104°F)
Relative Humidity	5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F)
Power Supply Unit	250W PSU, 100 – 240V
Power Consumption: Operating Mode, Typical	56.412 W Tested with drives fully populated.
Fan	2 x 70mm, 12VDC
Sound Level	24.9 db(A)
System Warning	Buzzer
Max. Number of Concurrent Connections (CIFS)	700