| Model | Qnap TS-433 4-Bay Nas (TS-433-4G) |
| CPU | ARM 4-core Cortex-A55 2.0GHz processor |
| System Memory | 4GB on board (non-expandable) |
| Maximum Memory | 4GB on board (non-expandable) |
| Flash Memory | 4 GB (Dual boot OS protection) |
| Drive Bay | 4 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 | |
| Gigabit Ethernet Port (RJ45) | 1 |
| 2.5 Gigabit Ethernet Port (2.5G/1G/100M) | 1 (2.5G/1G/100M) |
| USB 2.0 port | 2 |
| USB 3.2 Gen 1 port | 1 |
| Supported RAID types | RAID 0, 1, 5, 6, 10, JBOD, Single Supported RAID Hot Spare and Global Hot Spare |
| Dimensions (HxWxD) | 6.65 × 6.3 × 8.62 inch |
| Weight (Net) | 4.56 lbs |
| Weight (Gross) | 7.72 lbs |
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