TS-251 | TS-251+ High-performance Intel quad-core NAS supporting HDMI, transcoding, and virtualization for homes and businesses
- Model: TS-251+
- Processor: Intel Celeron Quad-Core 2.0 GHz
- Memory: 2GB/8GB DDR3L (expandable to 8GB)
- Storage: 2 x 3.5"/2.5" SATA III bays
- Network: 2 x 1GbE
- Dimensions: 168.5 x 102 x 225 mm
- Weight: 1.28 kg (diskless)
TS-251 | TS-251+ High-performance Intel quad-core NAS supporting HDMI, transcoding, and virtualization for homes and businesses
High-Performance Storage and Virtualization
The QNAP TS-251+ is a 2-bay NAS designed for home and SOHO users, powered by a 64-bit Intel Celeron quad-core 2.0 GHz processor (burst up to 2.42 GHz) with 2GB or 8GB DDR3L RAM (expandable to 8GB). It supports two 3.5"/2.5" SATA III HDD/SSD bays, offering up to 32TB capacity (2x16TB) with RAID 0, 1, or JBOD. Delivering read/write speeds up to 225 MB/s with port trunking, it supports AES 256-bit encryption with transfer speeds up to 205 MB/s. The Virtualization Station enables running Windows, Linux, UNIX, or Android VMs, while Container Station supports LXC and Docker for lightweight virtualization, ideal for testing and development.
Multimedia and HDMI Connectivity
Equipped with dual 1GbE LAN ports and an HDMI port, the TS-251+ supports link aggregation and delivers Full HD 1080p video playback with 7.1-channel audio pass-through via Kodi or HD Station, controlled by the included remote. It offers real-time and offline transcoding (up to 4K H.264), streaming via DLNA, AirPlay, Chromecast, and Bluetooth. QvPC Technology transforms the NAS into a PC-like device with a keyboard, mouse, and monitor, enabling web browsing, surveillance monitoring, and media playback. Apps like Qfile, Qmusic, and Qvideo enhance mobile access and streaming to devices like Apple TV or Roku.
Intuitive Software and Scalability
Running QTS 4.2 (upgradable to newer versions), the TS-251+ offers an intuitive GUI with apps like Qsirch for real-time file search, Hybrid Backup Sync for cloud and local backups, and Surveillance Station for IP camera monitoring. It supports snapshots (4GB RAM minimum) for data recovery and integrates with myQNAPcloud for remote access. Scalability extends up to 10 drives (96TB) with a QNAP UX-800P enclosure. The App Center provides additional tools for media, backup, and productivity, though some users note limited VPN reliability with OpenVPN.
QNAP TS-251+: All Features
| Processor | Intel Celeron Quad-Core 2.0 GHz (burst up to 2.42 GHz) |
|---|---|
| Memory | 2GB/8GB DDR3L (expandable to 8GB) |
| Storage | 2 x 3.5"/2.5" SATA III bays |
| Network | 2 x 1GbE LAN (Link Aggregation) |
| Ports | 2 x USB 3.0, 2 x USB 2.0, 1 x HDMI |
| RAID Support | RAID 0, 1, JBOD |
| Software | QTS 4.2, Virtualization Station, Container Station, Qsirch, Hybrid Backup Sync |
| Security | AES 256-bit encryption, QTS Storage Manager, snapshots (4GB+ RAM) |
| Multimedia | 4K H.264 transcoding, DLNA, AirPlay, Chromecast, Kodi |
| Compatibility | Windows 7+, macOS 10.7+, Linux, iOS, Android |
QNAP TS-251+: All Specifications
| Model | TS-251+ |
|---|---|
| Processor | Intel Celeron Quad-Core 2.0 GHz (burst up to 2.42 GHz), 64-bit |
| Memory | 2GB/8GB DDR3L (2 slots, expandable to 8GB) |
| Drive Bays | 2 x 3.5"/2.5" SATA III (hot-swappable) |
| Max Capacity | 32TB (2 x 16TB), 96TB with UX-800P enclosure |
| RAID Support | RAID 0, 1, JBOD |
| File System | Internal: EXT4; External: EXT3, EXT4, NTFS, FAT32, HFS+ |
| Network | 2 x 1GbE RJ45 (Link Aggregation) |
| Ports | 2 x USB 3.0, 2 x USB 2.0, 1 x HDMI |
| Performance | Read: 225 MB/s, Write: 205 MB/s (RAID 0) |
| Encryption | AES 256-bit, hardware-accelerated |
| Operating System | QTS 4.2 (upgradable) |
| Power Supply | External 60W, 100-240V AC, 50/60 Hz |
| Power Consumption | 18.2W (access), 8.4W (HDD hibernation) |
| Cooling | 1 x 70mm fan |
| Operating Temperature | 0°C to 40°C |
| Non-Operating Temperature | -20°C to 70°C |
| Noise Level | 15.4 dB(A) |
| Dimensions (HxWxD) | 168.5 x 102 x 225 mm |
| Weight | 1.28 kg (diskless) |
| System Compatibility | Windows 7+, macOS 10.7+, Linux, iOS, Android |
| Certifications | FCC, CE, BSMI, VCCI, RCM |
| Warranty | 2-year limited |
| Package Contents | NAS, power adapter, AC cord, 2 x RJ45 LAN cables, remote control, quick start guide |
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