| Storage |
| Supported file systems |
BTRFS, Fat, HFS+, NTFS, exFAT, ext3, ext4 |
| Hot-swap drive bays |
Yes |
| Online RAID expansion |
Yes |
| Online RAID migration |
Yes |
| RAID levels |
0, 1, 5, 6, 10, F1, JBOD |
| RAID support |
Yes |
| Storage drive sizes supported |
2.5,3.5" |
| Supported storage drive interfaces |
Serial ATA II, Serial ATA III |
| Storage drive capacity |
8 TB |
| Supported storage drive types |
HDD & SSD |
| Installed storage drive type |
HDD |
| Number of storage drives supported |
12 |
| Number of storage drives installed |
6 |
| Total installed storage capacity |
48 TB |
| Storage drives installed |
Yes |
| Processor |
| Conflict-Free processor |
Yes |
| CPU configuration (max) |
1 |
| Processor cache |
6 MB |
| Processor threads |
8 |
| Processor cores |
4 |
| Processor boost frequency |
2.7 GHz |
| Processor frequency |
2.4 GHz |
| Processor model |
D-1521 |
| Processor family |
Intel® Xeon® D |
| Processor manufacturer |
Intel |
| Memory |
| ECC |
Yes |
| Memory form factor |
UDIMM |
| Memory slots |
4 |
| Maximum RAM supported |
64 GB |
| Internal memory type |
DDR4 |
| Internal memory |
8 GB |
| Network |
| Link aggregation |
Yes |
| Supported network protocols |
CIFS, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN) |
| Wake-on-LAN ready |
Yes |
| iSCSI support |
Yes |
| Ethernet LAN data rates |
10,100,1000 Mbit/s |
| Ethernet LAN |
Yes |
| Ports & interfaces |
| PCI Express x8 (Gen 3.x) slots |
2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity |
2 |
| USB port |
Yes |
| Ethernet LAN (RJ-45) ports |
4 |
| Design |
| LED indicators |
Yes |
| Fan diameter |
8 cm |
| Number of fans |
4 fan(s) |
| Product colour |
Black |
| Cooling type |
Active |
| Chassis type |
Rack (2U) |
| Performance |
| Access Control List (ACL) |
Yes |
| Browser supported |
Chrome, Firefox, Edge, Internet Explorer, Safari |
| Built-in FTP server |
Yes |
| Built-in UPnP AV media server |
Yes |
| Hot spare |
Yes |
| On/off switch |
Yes |
| Reset button |
Yes |
| S.M.A.R.T. support |
Yes |
| Security algorithms |
HTTPS, SSH, SSL/TLS |
| Share folder |
CIFS, AFP, FTP |
| System log |
Yes |
| Web-based management |
Yes |
| Snapshot |
Yes |
| Third-party support |
Yes |
| Noise level |
50.2 dB |
| Multilingual support |
Yes |
| Backup features |
Cloud, iSCSI LUN |
| Backup function |
Yes |
| Device class |
Large Enterprise Business |
| Type |
NAS |
| Software |
| Mac operating systems supported |
Yes |
| Windows operating systems supported |
Yes |
| Operating system installed |
DiskStation Manager |
| Power |
| AC input frequency |
50 - 60 Hz |
| AC input voltage |
100 - 240 V |
| Power consumption (HDD standby) |
55.05 W |
| Power consumption (typical) |
142.76 W |
| Redundant power supply (RPS) support |
Yes |
| Power supply unit (PSU) capacity |
500 W |
| Power supply location |
Built-in |
| Weight & dimensions |
| Height |
88 mm |
| Depth |
724 mm |
| Width |
482 mm |
| Packaging content |
| Power cables quantity |
1 |
| Cables included |
AC |
| Processor special features |
| Embedded options available |
No |
| Enhanced Intel SpeedStep Technology |
Yes |
| Execute Disable Bit |
Yes |
| Idle States |
Yes |
| Intel 64 |
Yes |
| Intel Enhanced Halt State |
Yes |
| Intel Secure Key Technology version |
1.00 |
| Intel TSX-NI |
Yes |
| Intel TSX-NI version |
1.00 |
| Intel Trusted Execution Technology |
Yes |
| Intel VT-x with Extended Page Tables (EPT) |
Yes |
| Intel Virtualization Technology (VT-x) |
Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) |
Yes |
| Sustainability |
| Sustainability compliance |
Yes |
| Sustainability certificates |
RoHS |
| Operational conditions |
| Operating altitude |
0 - 5000 m |
| Storage relative humidity (H-H) |
5 - 95% |
| Storage temperature (T-T) |
-20 - 60 °C |
| Operating relative humidity (H-H) |
5 - 95% |
| Operating temperature (T-T) |
5 - 35 °C |
| Other features |
| Certification |
EAC, VCCI, CCC, RCM, FCC, CE, BSMI |
| Compliance certificates |
RoHS |
