Helios64 is a powerful ARM board specially designed for Network Attached Storage (NAS). It harnesses its processing capabilities from the **Rockchip RK3399(K) SoC**.
Helios64 is our latest design for the ultimate ARM powered NAS. Compared to [Helios4](/helios4/intro), it offers improvement on everything single key aspects :
* More storage capacity with 5x SATA ports,
* Greater network throughput with Multi-Gigabit Ethernet (2.5 GbE),
* Faster and Larger Memory with 4GB LPDDR4,
* More functionalities with Display Port and DAS modes support,
|USB Type-C|1<br>Supports following:<br>- DP Mode<br>- DAS Mode<br>- Host Mode<br>- Serial Console
|USB 3.0|3|
|microSD (SDIO 3.0)|1|
|**Developer Interfaces**||
|GPIO|20|
|I2C|1|
|UEXT|1|
|**Others**||
|PWM FAN|2|
|On-Board HDD Power|yes|
|Bult-in UPS|yes|
|RTC Battery|yes|
|DC input|Dual 12V inputs|
![Helios64 Top View](/helios64/img/intro/helios64-top-view.jpg)
## Mechanical
|**Mechanical Specifications**||
|------------|-----------|
|Board Dimension|120mm x 120mm|
|Board Weight|180gr (without heatsink)|
|Case Dimention (H x W x D)|H 134mm x W 222mm x D 250mm|
|Case Weight|3.5Kg (without HDD)|
|Case Material|Aluminum + Metal|
## Software
|**Software Specifications**||
|------------|-----------|
|Operating System|Linux Debian and Ubuntu|
|Kernel Version|5.4
|U-Boot Version|2019.11
|Software Partners|- Armbian: Debian and Ubuntu for ARM board<br>- OpenMediaVault: Linux NAS turn-key solution<br>- Syncloud: Cloud services at your premises<br>- Nextcloud: The File Hosting Solutions|