High‑performance four‑bay NAS for power users and businesses featuring an Intel Celeron N5105 CPU, dual 2.5GbE ports, four M.2 SSD slots, and PCIe 3.0 for up to 2× SSD performance. Supports USB 3.2 Gen 2 (10 Gb/s), hardware 4K H.265 playback/transcoding, modern backup tools, virtualization, and a rich ADM app ecosystem. Ideal for fast data sharing, creative workflows, multimedia, surveillance, and hybrid cloud.
Asustor Lockerstor 4 Gen2 delivers uncompromising speed and flexibility for your storage. The quad‑core 10 nm Intel Celeron N5105 (up to 2.9 GHz) offers ~31% higher performance than the previous generation, while the dual 2.5GbE ports with SMB Multichannel ensure lightning‑fast transfers and bandwidth aggregation. Thanks to 4× M.2 slots, you can easily deploy cache and pure SSD volumes, and with PCIe 3.0 you get nearly double the performance vs. PCIe 2.0.
For creators and teams, enjoy smooth 4K video workflows, hardware decoding of H.265 10‑bit, support for tools like Adobe and Final Cut Pro, plus hybrid cloud with sync to services such as Google Drive, OneDrive, and Amazon S3. Robust security with ADM Defender, Snapshot Center (Btrfs), AES‑256 encryption, and multi‑layer protection keeps your data safe from loss and ransomware.
- Maximum connectivity: 2× 2.5GbE, optional 10GbE via PCIe card, USB 3.2 Gen 2 (10 Gb/s).
- Flexible storage: 4× bays for 3.5"/2.5" drives + 4× M.2 SSD for cache/storage, tool‑less M.2 installation.
- 24/7 reliability: enhanced cooling, snapshots up to 256 versions, MyArchive for cold backup.
- For business and home: iSCSI/NFS, VMware/Citrix/Hyper‑V, Docker/Portainer, Surveillance Center with 4 camera licenses.
- Multimedia and mobility: 4K output/playback, Photo Gallery 3, AiFoto 3, ASUSTOR Live, fast remote access via Cloud Connect.
Specifications
- Model
- Asustor Lockerstor 4 Gen2 (AS6704T)
- Drive bays
- 4× 3.5"/2.5" HDD/SSD
- M.2 slots
- 4× M.2 SSD (PCIe 3.0; cache and storage)
- Processor
- Intel Celeron N5105, 4 cores, 10 nm, 2.0 GHz (turbo up to 2.9 GHz)
- Memory
- DDR4‑2933, higher performance vs. DDR4‑2400 (up to +40%)
- Network
- 2× 2.5GbE, SMB Multichannel support; expandable to 10GbE via PCIe
- Expansion
- 1× PCIe (for 10GbE and other cards)
- USB
- USB 3.2 Gen 2 (10 Gb/s)
- Graphics and multimedia
- Hardware decoding of 4K H.265 10‑bit, smooth 4K playback
- Cooling
- Enhanced airflow, additional heatsinks for SSDs and sensitive components
- Security
- ADM Defender (firewall, blacklist/whitelist), AES‑256 encryption for MyArchive, port change options, SSH/terminal disable
- Snapshots and file systems
- Snapshot Center, Btrfs (up to 256 snapshots, intervals from 5 minutes), snapshot support for MyArchive
- Backup and cloud
- DataSync Center (Google Drive, Dropbox, OneDrive, Yandex), Cloud Backup Center (Amazon S3, Backblaze B2, Azure Blob, Alibaba Cloud, SFTP, WebDAV)
- Virtualization and containers
- iSCSI/IP‑SAN, NFS, ready for VMware, Citrix, Hyper‑V; Docker, Portainer
- Software
- ADM, App Central (200+ apps), EZ Sync, Nextcloud, OnlyOffice, Linux Center (Debian 8/10)
- Streaming
- ASUSTOR Live – stream and backup for YouTube and Twitch
- Surveillance
- Surveillance Center, 4 free camera licenses, compatibility with 700+ cameras, ONVIF Profile S, RTSP
- Operation
- Non‑stop 24/7, reliability tested (drop, thermal stress)
- Power and wake
- Wake on LAN, Wake on WAN
- Warranty
- 3 years