Asustor Lockerstor 4 Gen2 4-Bay NAS Enclosure

Overview

The Asustor AS6704T is a 4-bay network attached storage (NAS) enclosure designed for professionals and small teams who require fast, reliable, and scalable on-site storage. It supports both 3.5-inch and 2.5-inch SATA drives along with four M.2 2280 NVMe SSD slots, allowing a combination of high-capacity hard drives and solid-state cache or all-flash storage. Powered by a 2.0 GHz Intel Celeron N5105 quad-core processor and 4 GB of DDR4 memory, it delivers sequential read speeds up to 590 MB/s and write speeds up to 555 MB/s in RAID 5 configurations.

Key features

• Four drive bays plus four M.2 NVMe slots enable flexible storage configurations combining capacity and speed.
• Dual 2.5 Gbps Ethernet ports with SMB multichannel support aggregate bandwidth up to 5 Gbps for faster data access without additional hardware.
• PCIe 3.0 expansion slot allows upgrading to 10 Gbps Ethernet for even higher network throughput.
• USB 3.2 Gen 2 ports provide quick external drive transfers at speeds up to 10 Gbps, ideal for large backups or media handoffs.
• Tool-free M.2 SSD installation simplifies adding or replacing cache drives, reducing downtime during upgrades.
• Supports multiple RAID levels (0, 1, 5, 6, JBOD) to balance performance and data protection according to your needs.
• Comprehensive backup, synchronization, and virtualization features through Asustor’s ADM operating system enhance workflow integration.
• Efficient 120 mm cooling fan and sturdy metal chassis maintain optimal temperatures for 24/7 operation and hardware longevity.
• Built-in snapshots, AES-256 folder encryption, and user access controls safeguard data against accidental loss, ransomware, and unauthorized access.

Key specs

• Processor: Intel Celeron N5105 quad-core 2.0 GHz
• Memory: 4 GB DDR4
• Drive bays: 4 x 3.5-inch or 2.5-inch SATA
• M.2 slots: 4 x 2280 NVMe SSD
• Network: Dual 2.5 G Ethernet ports with SMB multichannel, PCIe 3.0 slot for 10 G Ethernet upgrade
• USB ports: 2 x USB 3.2 Gen 2 (10 Gbps)
• Sequential speeds: Up to 590 MB/s read, 555 MB/s write (RAID 5)
• Cooling: 120 mm fan
• Chassis: Metal

Connectivity and compatibility

This NAS enclosure offers versatile connectivity options to fit into various network environments. The dual 2.5 Gbps Ethernet ports support link aggregation, allowing a single workstation to access data at combined speeds up to 5 Gbps without extra network equipment. For setups requiring even faster connections, the PCIe 3.0 slot accepts a 10 Gbps Ethernet card. Two USB 3.2 Gen 2 ports enable rapid data transfers from external drives, making it easy to back up or share large files. The device supports a wide range of SATA drives and NVMe SSDs, providing compatibility with common storage media used in professional and small business settings.

Ideal uses and environments

The Lockerstor 4 Gen2 is well suited to video production studios, photography offices, and home labs running virtual machines. It allows editors to work directly on footage stored on the NAS while other team members access still images, upload revisions, or stream preview files without network slowdowns. Small businesses can centralize document storage, surveillance footage, and off-site backups using the rich app ecosystem available through Asustor’s ADM. Its combination of speed, expandability, and data protection makes it a strong choice for teams that need dependable shared storage with room to grow.