Asustor Lockerstor 4RS (AS6504RS) 4-Bay 1U Rackmount Enterprise NAS Storage
The Asustor Lockerstor 4RS (AS6504RS) is an enterprise-class 1U 4-bay rackmount NAS enclosure engineered for high-speed file sharing, virtualized storage, and comprehensive business backups. Driven by an Intel Atom C3538 Quad-Core 2.1GHz processor paired with 8GB DDR4 ECC/ECC-compatible RAM (expandable up to 128GB across 4 slots), it delivers exceptionally smooth multi-user multitasking. Network performance is optimized via dual 2.5-Gigabit Ethernet and dual 1-Gigabit Ethernet ports supporting Link Aggregation for up to 5Gbps throughput and failover redundancy. Featuring a PCIe 3.0 slot for optional 10GbE network expansion, hardware 256-bit AES encryption, Btrfs snapshot protection, and ADM operating system integration, it offers a secure, durable, and highly scalable 24/7 storage hub for corporate server racks.
Key Features & Highlights
- Intel Atom Quad-Core Power: 2.1GHz Intel Atom C3538 CPU with 8GB DDR4 RAM (expandable up to 128GB) for intensive enterprise workloads.
- Quad Network Interfaces: Features 2 x 2.5GbE and 2 x 1GbE RJ45 ports with Link Aggregation support for speeds up to 5 Gbps and zero-downtime failover.
- Flexible PCIe Expansion Slot: PCIe 3.0 slot enables installation of optional 10GbE NICs or high-speed network expansion cards.
- 1U Rackmount Efficiency: Compact 1U chassis designed for standard server racks, housing up to 4 x 3.5″/2.5″ SATA III drives (up to 72TB native / 360TB expanded).
- Snapshot Center & Ransomware Defense: Supports Btrfs file system and iSCSI LUN snapshots (up to 256 snapshots per volume) for fast disaster recovery.
- Hardware 256-bit AES Encryption: Military-grade folder encryption protects critical business records from unauthorized physical or remote access.
- Virtualization Ready: Certified for VMware, Citrix, Hyper-V, iSCSI/IP-SAN, and NFS environments for seamless IT integration.
- Find Me Function & Service LED: Front-panel button lights up a rear service LED and activates audible alerts for rapid server room identification.
Detailed Product Specifications
1. Hardware Architecture & Performance
| Attribute | Specification Details |
|---|---|
| Brand / Manufacturer | Asustor |
| Model Name & Number | Lockerstor 4RS / AS6504RS |
| Form Factor | 1U Rackmount (Standard Server Rack Compatible) |
| CPU Processor & Speed | Intel Atom C3538 Quad-Core 2.1 GHz Processor |
| System Memory (RAM) | 8 GB DDR4 (1 × 8GB Installed, 4 Slots, Expandable up to 128 GB) |
| Drive Bays / Disk Support | 4 × 3.5″ / 2.5″ SATA III HDD/SSD Trays (Diskless Enclosure) |
| Maximum Capacity | Up to 72 TB Internal / Up to 360 TB via Expansion Units |
| Supported RAID Modes | RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, Single, JBOD |
| PCIe Expansion Slot | 1 × PCIe 3.0 Slot (Supports Optional 10GbE Cards) |
2. Connectivity, Physical & Power Specs
| Attribute | Specification Details |
|---|---|
| Ethernet Network Ports | 2 × 2.5-Gigabit RJ45 + 2 × 1-Gigabit RJ45 Ports (Link Aggregation Supported) |
| USB Expansion Ports | 4 × USB 3.2 Gen 1 (USB 3.0) Type-A Ports |
| System Cooling Fan | 1 × 40mm Internal Cooling Fan |
| Power Supply Unit (PSU) | 1 × 250W Internal PSU (100V-240V AC, 50/60 Hz) |
| Power Consumption | 47.7 W (Typical Operation) / 28.4 W (Disk Idle) |
| Physical Dimensions (D x W x H) | 515 × 439 × 44 mm (20.3 × 17.3 × 1.7 inches) |
| Product Net Weight | 7.8 kg (17.3 lbs without drives) |
| Operating System & Compatibility | ADM 3.5 / Windows, macOS, Linux, UNIX, FreeBSD |
Package Contents
- 1 x Asustor Lockerstor 4RS AS6504RS 1U 4-Bay Rackmount NAS
- 1 x AC Power Cable
- 2 x Cat 5e Gigabit Ethernet Cables
- 1 x Hard Drive Screws Pack
- 1 x Quick Installation Guide
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