Processor
Hexacore ARM SoC with dual Cortex-A72 1.8GHz and quad Cortex-A53 1.4GHz with TrustZone
Storage
256 / 512 / 1024 GB NVMe SSD storage
Full-disk encryption - AES-XTS-256bit
Encrypted backups - RSA-2048bit/AES-256bit
Power consumption
Peak: 10 W
Standby: 0.4 W
Connections and expansion
802.11 2x2 ac/a/b/g/n WiFi
Bluetooth 4.2
Gigabit Ethernet
2x USB 3.2 Gen 1
1x USB-C PD
Dimensions
5” W x 5” D x 1.3” H
Cost
Device (256GB - $249 / 512GB - $299 / 1TB - $399)
Subscription ($99/year includes 128GB backup, additional plans coming)
Warranty
1 year limited warranty
Linux
Helm's operating system is Linux. We create our own build/distribution using Yocto.
Yocto
Yocto is an open source project we utilize to create our own custom minimal Linux distribution.
Docker
Helm utilizes Docker to run most of its services.
Nextcloud
The Nextcloud File Sync and Share project powers Helm Files for sync, share and photo backup.
Postfix
Helm utilizes Postfix for sending emails with SMTP.
Dovecot
IMAP services for accessing and syncing email across devices is provided by Dovecot.
Duplicity
Duplicity is an open source project specializing in backup.
Strongswan
For the VPN connection to the security gateway as well as for the VPN service offered by the Helm, we utilize the Strongswan open source project.
OpenLDAP
User management and authentication, email addresses and alias management are managed using the open source OpenLDAP project.
Proximity-Based Security
Only authorized devices can pair and connect with your Helm Personal Server for management. Strong two-factor authentication is created with a one-time Bluetooth-enabled proximity token plus your private password.
Helm Firmware
Implemented in Go, Helm Firmware handles requests from the mobile apps, orchestrates and manages services running in Docker, manages firmware upgrades, backs up data, provides diagnostic information for troubleshooting, and more.
SpamAssassin
To ensure only intended emails reach your inbox, SpamAssassin filters incoming mail on the Helm Personal Server, catching junk mail and learning as it goes to improve over time.
