QNAP TS-453BT3-8G 4-Bay NAS with Thunderbolt 3 Ports

Intel Celeron J3455 quad-core 1.5 GHz, burst up to 2.3 GHz
Architecture : 64-bit
Graphics : Intel HD Graphics 500
Encryption Engine: AES-NI

8 GB RAM (2 x 4 GB DDR3L) / Maximum Memory 8GB

Hot-swappable 4 x 3.5"/2.5" SATA 6Gb/s HDD/SSD

The system is shipped without Hard Disk

2 x M.2 2280 SATA 6 Gbp/s SSD 

Drive bays 1 to 4 

M.2 slots 1 to 2

Optional: SSD using PCIe expansion slot

1 x 10GBASE-T RJ-45 

2 x Gigabit Ethernet Port

USB Port

5 x USB 3.0 (Front: 1 x One Touch Copy; Back: 4)

2 x 3.5 mm dynamic microphone jacks

1 x speaker
1 x 3.5 mm line-out jack 

Monochrome OLED display with capacitive sensing Enter and Select buttons 

QNAP RM-IR004 remote control (MCE compatible)