Asustor AS5004U XpanStor 4 NAS Expander 4-Bay Tower Expansion Unit
Flexible and High-Speed NAS Storage Expansion The Asustor AS5004U XpanStor 4 is the ultimate solution for expanding your NAS or PC storage capacity. Featuring a...
Frequently Bought Together
Flexible and High-Speed NAS Storage Expansion
The Asustor AS5004U XpanStor 4 is the ultimate solution for expanding your NAS or PC storage capacity. Featuring a USB 3.2 Gen 2 Type-C interface, it delivers 10 Gbps transfer speeds, supports up to 22TB hard disks, and integrates seamlessly with MyArchive cold backup technology. Designed for professionals and content creators, this 4-bay expansion unit is both powerful and user-friendly.
Highlights
- USB 3.2 Gen 2 Type-C: Offers blazing-fast 10 Gbps transfer speeds and backward compatibility.
 - Supports High Capacity Drives: Compatible with hard disks up to 22TB.
 - Smart Power Sync: Enters sleep mode with your NAS to save energy.
 - Smart Fan Cooling: Automatically adjusts fan speed for optimal temperature control.
 - Tool-Free Installation: Simplifies setup for easy and secure hard drive installation.
 
Key Features
Superior Speed and Connectivity
- USB 3.2 Gen 2 Type-C Interface: Transfers files up to 10 Gbps for lightning-fast operations.
 - Backward Compatibility: Operates at 5 Gbps with USB 3.2 Gen 1 devices for flexibility.
 
Advanced Storage Expansion
- MyArchive Support: Effortlessly access and back up data with removable hard drives.
 - PC-Friendly DAS Solution: Works seamlessly with Windows, Mac, and Linux systems for storage, cloning, and diagnostics.
 
Energy-Efficient Operation
- Smart Power Sync: Automatically enters sleep mode with your NAS for energy conservation.
 - LED Synchronization: Matches LED brightness with your NAS’s status to minimize distractions.
 
Durable and Secure Design
- Stable USB-C Connection: Features a locking mechanism to prevent accidental disconnections.
 - Replaceable USB Cable: Non-proprietary design reduces e-waste and enhances reliability.
 
Reliable Cooling and Quiet Performance
- Smart Fan Technology: Dynamically adjusts speed to maintain cool and quiet operation, ensuring stable performance.
 
Summary
The Asustor AS5004U XpanStor 4 combines high-speed connectivity, flexible storage options, and smart energy-saving features to meet the needs of professionals and content creators. With its robust design, tool-free installation, and MyArchive integration, this expansion unit delivers exceptional performance for NAS and PC setups alike.
Asustor AS5004U XpanStor 4 NAS Expander 4-Bay Tower Expansion Unit
| Specification | Details | 
|---|---|
| Flash Memory | 32MB Flash | 
| Expansion | USB 3.2 Gen 2 (10Gbps) Type C | 
| HDD Support | 4 x SATA3 6Gb/s, 3.5"/2.5" HDD/SSD | 
| Maximum Raw Capacity | 88TB (22TB HDD x 4) (*Capacity may vary by RAID types) | 
| Supported RAID Volumes | Single, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 | 
| Hot Swappable Drives | Yes | 
| System Fan | 120mm x 1 | 
| Power Supply | 90W x 1 | 
| Input Voltage | 100V to 240V AC | 
| Certifications | FCC, CE, VCCI, BSMI, C-TICK, BIS, KCC, EAC | 
| Applied Models | AS31, AS32, AS40, AS61, AS62, AS63, AS64, Nimbustor, Nimbustor Gen2, Drivestor, Drivestor Pro, Drivestor Lite, Drivestor Pro Gen2, Lockerstor, Lockerstor Gen2, Lockerstor Pro, Flashstor | 
| Power Consumption | • Operation: 24.68W  • Disk Hibernation: 6.02W  |  
| Operating Temperature | 0°C to 40°C (32°F to 104°F) | 
| Humidity Tolerance | 5% to 95% RH | 
| Size | 174 mm (W) x 170 mm (H) x 230 mm (D) | 
| Weight | 2.03 kg (4.48 lbs) | 
| Operating System | ADM 4.2.4 Onwards | 
| File System | • Internal Disk: EXT4, Btrfs | 
| Storage Management | • Multiple Volumes with Spare Drives  • Online RAID Level Migration • RAID Capacity Expansion  |  
| MyArchive | • Supports up to 4 bays for MyArchive docking  • File systems: EXT4, NTFS, HFS+, Btrfs, exFAT • AES 256-bit encryption on EXT4 and Btrfs • Supports Btrfs snapshots • USB key decryption support  |