| Manufacturer Part Number | TS-251+ |
| Brand | Synology |
| Product Type | NAS Server |
| Supported Raid | Synology Hybrid Raid, Basic, 0, JBOD, 1, 5, 5+Spare, 6, 10 |
| Processor | Dual Core |
| Number of Processors | 1 |
| Base Frequency | 2.13 GHz |
| Total Cores | 2 |
| Memory | 1 GB |
| Memory Type | DDR3 |
| Number of Memory Slots | 2 |
| Maximum Memory Supported | 3 GB |
| Number of Disk Bays | 10 |
| Compatible Disk Types | 3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD |
| Storage Installed | 32 TB (8 x 4TB SATA) |