| Model | [TS-431KX-2G] QNAP TS-431KX 4-Bay NAS Quad-core NAS with 10GbE SFP+ for SMB |
| Form Factor | Tower |
| CPU | AnnapurnaLabs, an Amazon company Alpine AL214, 4-core, 1.7GHz |
| System Memory | 2GB SODIMM DDR3 (1 x 2 GB) |
| Maximum Memory | 8GB (1 x 8GB) |
| Memory Slot | 1 x SODIMM DDR3 |
| Flash Memory | 512 MB (Dual boot OS protection) |
| Drive Bay | 4x 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 | Yes |
| SSD Cache Acceleration Support | Yes |
| Gigabit Ethernet Port (RJ45) | 2 |
| 10 Gigabit Ethernet Port | 1 x 10GbE SFP+ |
| Wake on LAN (WOL) | Yes/ Only the 1GbE port |
| Jumbo Frame | Yes |
| PCIe Slot | 1 Slot 1: PCIe Gen 2 x2 |
| USB 3.2 Gen 1 port | 3 |
| Supported RAID types |
RAID 0, 1, 5, 6, 10, JBOD, Single Supported RAID Hot Spare and Global Hot Spare
|
| LED Indicators | Power, Status, LAN, USB, HDD1-4 |
| Buttons | Power, Reset, USB Auto Copy |
| Dimensions (HxWxD) | 165 × 160.2 × 220.5 mm |
| Weight (Net) | 3.47 kg |
| Weight (Gross) | 3.47 kg |
| Warranty | 2 Years Carry-in |
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