| Controller Type | Serial ATA |
| Country of Origin | Taiwan |
| Depth | 8.8" |
| Ethernet Technology | Gigabit Ethernet |
| Form Factor | Desktop |
| Height | 6.5" |
| Memory Technology | DDR4 SDRAM |
| Network (RJ-45), RAID Supported | Yes |
| Number of 2.5" / 3.5" Bays, Number of Hard Drives Supported, Number of Solid State Drive Supported, Number of Total Expansion Bays | 4 |
| Number of Hard Drives Installed, Number of Solid State Drive Installed | 0 |
| Number of Network (RJ-45) Ports, Number of USB 3.0 Ports, Total Number of USB Ports | 2 |
| Operating System | DiskStation Manager |
| Packaged Quantity | 1 |
| Processor Core | Dual-core (2 Core) |
| Processor Manufacturer | Intel |
| Processor Model | J4025 |
| Processor Speed | 2 GHz |
| Processor Type | Celeron |
| Product Family | DiskStation Plus |
| Product Line | DiskStation |
| Product Model | DS420+ |
| Product Name | Synology NAS DS420+ 4-Bay NAS DiskStation (Diskless) |
| Product Series | Plus |
| Product Type | SAN/NAS Storage System |
| RAID Levels | 0, 1, 5, 6, 10, Basic, Hybrid RAID, JBOD |
| Standard Memory | 2 GB |
| Width | 7.8" |