QNAP TS-855X-8G, 8-Bay NAS, Intel Atom C5125 8-core processor, 2.8GHz, 8 GB SODIMM DDR4 (1x 8 GB), 1 x

CPU: Intel Atom C5125 8-core processor, 2.8GHz
CPU Architecture: 64-bit x86
Floating Point Unit: Y
Encryption Engine: (AES-NI)
System Memory: 8 GB UDIMM DDR4 (1 x 8 GB)
Maximum Memory:128 GB (4 x 32 GB)
Memory Slot: 4 x U-DIMM DDR4
Support ECC memory:Y
Flash Memory:5GB (Dual boot OS protection)
Drive Bay: 6 x 3.5-inch + 2 x 2.5-inch SATA 6Gb/s, 3Gb/s
Drive Compatibility:3.5-inch bays:
3.5-inch SATA hard disk drives
2.5-inch SATA solid state drives
2.5-inch bays:
2.5-inch SATA solid state drives
Hot-swappable
The following are not hot-swappable: M.2 SSDs, SSD cache drives, SSDs using PCIe expansion slots.
M.2 Slot:2 x M.2 2280 PCIe Gen 3 x4 slots
The M.2 SSD is not included as standard.
M.2 SSD operations can easily generate excessive heat. It is recommended to install a heatsink (from QNAP or a third-party provider) on the M.2 SSD.
SSD Cache Acceleration Support:Y
SR-IOV:Y
2.5 Gigabit Ethernet Port (2.5G/1G/100M):2 (2.5G/1G/100M/10M)
10 Gigabit Ethernet Port: 1x 10GBASE-T
25 G