| Product Name | WD My Cloud Expert Series EX4100 4-Bay Diskless NAS |
| Manufacturer Part Number | WDBWZE0000NBK-EESN |
| Product Line | My Cloud EX4 |
| Product Model | EX4100 |
| Product Type | NAS Storage System |
| Interfaces/Ports | |
| Number of USB 3.0 Ports | 2 |
| Network (RJ-45) | Yes |
| Controllers | |
| RAID Supported | Yes |
| RAID Levels | 0, 1, 5, 10, JBOD |
| I/O Expansions | |
| Number of Total Expansion Bays | 4 |
| Memory | |
| Standard Memory | 2 GB |
| Memory Technology | DDR3 SDRAM |
| Network & Communication | |
| Ethernet Technology | Gigabit Ethernet |
| Processor & Chipset | |
| Processor Manufacturer | Marvell |
| Processor Type | ARM |
| Processor Model | 388 |
| Processor Core | Dual-core (2 Core) |
| Processor Speed | 1.60 GHz |
| Software | |
| Operating System | My Cloud OS |
| Physical Characteristics | |
| Height | 7.6" |
| Width | 6.7" |
| Depth | 9.1" |
| Form Factor | External |
| Warranty | |
| Limited Warranty | 2 Year |
| Miscellaneous | |
| Environmentally Friendly | Yes |
| Environmental Certification | RoHS |
| Other Information | |
| Product Family | My Cloud EX4 |
