ASUSTOR Lockerstor 4 Review: A NAS for demanding users

Francesco Palermo

ASUSTOR Lockerstor 4 Review offers a pure power mix, for more experienced users. Thanks to specs like 2x M.2 NVMe SSD ports and more

Two doors from 2.5 GbE with a maximum of 5 Gbps in Link Aggregationtwo more doors SSD M.2 NVMe for fast cache acceleration. Ability to use lag-free 4K streams, supplied with CPU Intel Celeron quad coreflanked by 4 GB DDR4-2400, and support for Wake on LAN and Wake on WAN. These are some of the specifications of the Lockerstor 4and product that is not aimed at the Home User sector(or not only), but who looks with interest and winks at the most experiencedand also to the Business sector.

The model we received is theAS6604T, that we were provided with discs Segate Barracuda, Asustore adapter AS-U2.5G2 and and switch ASW205T from 5 doors.

Design ed Hardware | Review ASUSTOR Lockerstor 4

Lockerstor 4 utilizza la CPU Intel Gemini Lake Celeron J4125 Quad Core, which compared to the previous models is 30% faster, so to speak the previous models used the Apollo lake CPUs. Celeron J4125 which in this version also doubles the on-chip cache to 4 MB. This is why the Lockerstor 4 is one of the fastest models in the range. Not only thanks to the processor, thanks also to the RAM compartment, with four Gigabyte, DDR4-branded banks, which can be upgraded up to 8 GB if desired. The Celeron J4125 has a structure quad core and frequency of 2.0 GHz and boost of 2.7 GHz, to ensure more background apps and optimal read and write speeds in all conditions.

He consumes on average between 27 W and 35W in operationbut manages to consume much less when the disks are in hibernation, reaching up to about 12W, with a minimum of 0.75 in the energy saving phase, while as regards the noise produced, we have values ​​ranging from 17 to 18 dB . Finally it weighs about 3 kg, and measures 185.5 (H) x 170 (W) x 230 (D) mm

Then there is a door 2.5 Gigabit Ethernet, which is also compatible and up to 5Gbps using Link Aggregation. It is made of plastic, with 4 rubberized feet at the base to ensure its stability. The design is very standard and has no particularly prominent elements. On the front panel the status LEDs, a small box where the operating information is shown, the power button, and a USB port. Then we have the compartments for the discs equipped with a convenient hooking system.

Briefly here are all the specifications listed;

  • CPU: Intel Celeron J4125
  • Memory 4GB SO-DIMM DDR4
  • Total memory slots: 2
  • RAM memory expandable: up to 8GB (2x 4GB)
  • Flash memory: 8GB eMMC
  • Drive compartments: 4 Bay
  • Drive slot: 2, type M.2
  • Compatible drive types: 3.5″ SATA HDD, 2.5 SATA HDD, 2.5 SATA SSD
  • M.2 installed: 2280 NVMe
  • Porte USB: 3x USB 3.2 Gen 1
  • Net: 2x 2.5 Gigabit Ethernet (2.5G/1G/100M)
  • Output video: 1x HDMI 2.0a
  • LCD panel: Infrared Receiver
  • Power supply unit/ Adapter: 90W x1
  • Certifications e standard: FCC, CE, VCCI, BSMI, C-TICK, KCC, BIS, CCC
  • Warranty: 3 years

Its applications | ASUSTOR Lockerstor 4 review

The Asustore software is absolutely complete and makes – net of first-class specifications – this product performing and safe as a choice.

Starting from 360-degree backup solutions, thanks to corporate virtualization systems. Having available applications such as MyArchive cold backup technology, Snapshot Center, Cloud Backup Center, DataSync Center, Full iSCSI / IP-SAN and NFS support. Thanks to compatibility with VMware, Citrix and Hyper-V, it supports virtualization apps and Docker.

Cloud Storage is something in which the Taiwanese brand has invested a lot, there are many models, and in particular Lockerstor 4 support capacity expansion, ensuring great operational flexibility. The system allows you to deploy additional disks at a later time, and use what you have at the time of purchase in combination with Asustor’s MyArchive storage technology.

When you are at a distance it is not a problem to use, both the Lockerstor 2 and the 4 series model are equipped with Wake on WAN technology. In fact, no specific equipment or settings are required to wake the NAS, just use the wide range of ASUSTOR mobile apps to turn the NAS on or off remotely. To protect your data by keeping the NAS powered off when not in use, or simply to upload and edit files.

Security applications

Over the years, Ransomware has become increasingly invasive and worrying, which is why Asustor has equipped Lockerstor 4 with encryption. Hard drive security MyArchive can also be augmented by implementing 256-bit AES encryption. With Snapshot Center and Btrfs provide efficient snapshots to easily restore lost data. Still on the subject of security, there is support for third-party backup systems in addition to the internal one, including; Amazon S3, Dropbox, Google Drive and OneDrive. Asustor Backup Plan is also available for Windows and Time Machine for macOS and they offer easy backups. Everything can be managed through Snapshot Center. But these are just some of the software features available, given the numerous applications that can be downloaded.

The nas is obviously Plug and Play, so they are designed for 24/7 operation e, subjected to rigorous drop and burn tests, while high-quality internal heatsinks efficiently dissipate heat from sensitive components to maintain longevity. In terms of network and server support, here are some services that this specific model supports;

Network Attack Protection

Secure Data Transmission

  • VPN connection
  • SSL certificate connection
  • Automatic logout

Internal Data

  • MyArchive offline backup
  • AES-256 folder encryption
  • Antivirus software – ClamAV

Access Control

  • File/folder/app isolation
  • 2-Step Verification
  • Wake-on-LAN (WOL)
  • Wake-on-WAN (WAN)


The Lockerstor 4 represents a top-of-the-range product, as such it certainly has a very high price compared to more low-cost alternatives but still performing, in any case we still have a relationship with the specific equipment offered for this Asustor model. It is not a product for everyone, but for those looking for the best it is an alternative to definitely take into consideration. It can be found at a price of around 600 Euros.

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Points in favor

  • Performance
  • Software
  • Construction
Walker Ronnie is a tech writer who keeps you informed on the latest developments in the world of technology. With a keen interest in all things tech-related, Walker shares insights and updates on new gadgets, innovative advancements, and digital trends. Stay connected with Walker to stay ahead in the ever-evolving world of technology.