QNAP TS-233 2-Bay Diskless NAS ARM Cortex-A55 Quad-Core 2.0GHz 2GB

CPU: ARM 2.0 quad-core 2.0GHz processor
CPU Architecture: 64-bit ARM
Floating Point Unit: Yes
Encryption Engine: Yes
Hardware-accelerated Transcoding: Yes
System Memory: 2 GB DDR4, not expandable
Maximum Memory: 2 GB DDR4, not expandable
Flash Memory: 4 GB (Dual boot OS protection)
Drive Bay: 2 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
Jumbo Frame: Yes
Gigabit Ethernet Port (RJ45) x 1
USB 2.0 port x 2
USB 3.2 x 1
Form Factor: Tower