| Feature | RackStation RS815+/RS815RP+ |
| CPU | Intel Atom C2538 Quad Core 2.4GHz |
| Hardware Encryption Engine | Yes (AES-NI) |
| Floating Point Unit | Yes |
| RAM Size | DDR3 2 GB (Expandable up to 6 GB) |
| Internal HDD/SSD | 3.5" or 2.5" SATA III / SATA II x 12 (hard drives not included) |
| Maximum internal raw capacity | 24 TB (6 TB HDD X 4) (The actual capacity will differ according to volume types) |
| Hot swappdable drive | Yes |
| External ports | USB 3.0 ports X 2, eSATA X 1 |
| LAN | Gigabit x 4 |
| Wireless Support | Yes (wireless dongles not included) |
| Wake on LAN/WAN | Yes |
| AC input power voltage | 100V to 240V AC |
| Power frequency | 50 to 60Hz, single phase |
| Networking protocols | CIFS, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN™, L2TP) |
| Size (HxWxD) | 44 X 430.5 X 457.5 (RS815+ |
| 44 X 430.5 X 591.8 (RS815RP+) | |
| Weight | 6.73kg (RS815+) |
| 9.36kg (RS815RP+) |