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Product Description
QNAP TS-251B 2-Bay NAS Enclosure
Key Features
- 2 x 3.5"/2.5" SATA III Drive Bays
- 2.0 GHz Intel Celeron J3355 Dual-Core
- 4GB of DDR3L RAM
- 1 x Gigabit Ethernet Port
The TS-251B 2-Bay NAS Enclosure from QNAP combines secure data storage and multimedia entertainment into one device. Built with a PCIe 2.0 x2 slot, the TS-251B allows for the flexible extension of its functionality and potential applications. Users can install a
Specification
| Number of Bays | 2 x 2.5"/3.5" |
| Media Card Slots | None |
| Connections | 2 x USB Type-A (USB 3.1 Gen 1 (5 Gb/s)) 3 x USB Type-A (USB 2.0 (480 Mb/s)) 1 x RJ45 (Gigabit Ethernet) 1 x HDMI Type-A (HDMI 1.4b) 2 x 3.5 mm (Audio In) 1 x 3.5 mm (Audio Out) |
| Compatible Drive Interface | SATA II, SATA III |
| Form Factor | Desktop |
| RAID Modes | RAID 0, 1, JBOD, Single |
| Hot-Swap Support | Yes |
| Expansion Slots | 1 x PCIe 2.0 x2 |
| Link Aggregation and Failover Support | Yes |
| Wake on LAN | Yes |
Drives
| Type | None |
| Flash Memory | 4 GB |
Computing
| Processor | Intel Celeron J3355 Dual-Core |
| Clock Speed | Base: 2.0GHz / Maximum Boost: 3.5 GHz |
| GPU | Intel HD Graphics 500 |
| Total Installed Memory | 4 GB DDR3L |
| User-Replaceable Memory | 1 x 4 GB |
| Total Memory Slots | 2 x SO-DIMM |
| Maximum Memory Capacity | 8 GB |
Networking
| Supported Protocols | AFP CIFS/SMB FTP HTTP HTTPS IPv4 IPv6 L2TP/IPSec OpenVPN PPTP SSH SSL Telnet WebDAV |
| iSCSI Target | 256 |
| Max Cameras Supported | 5000 |
| Max Sync Tasks | 32 |
Software
| Installed Operating System | QTS 4.3.4 |
| OS Compatibility | macOS 10.7 or Later Windows 10 Windows 8 Windows 7 Windows Server 2016 Windows Server 2012 R2 Windows Server 2012 Windows Server 2008 R2 Windows Server 2003 Linux UNIX |
| File System Formats Supported | Internal: EXT4 External: EXT3, EXT4, FAT32, HFS+, NTFS, exFAT |
| Supported Browsers | Chrome, Firefox, Internet Explorer, Safari |
| Supported Languages | Brazilian Portuguese Czech Danish Dutch English French German Greek Hungarian Italian Japanese Korean Norwegian Polish Romanian Russian Simplified Chinese Spanish Swedish Thai Traditional Chinese Turkish |
Electrical
| Power Consumption | 15.25 W (Typical) 8.08 W (Standby) |
| Power Source | AC Adapter |
| PSU Wattage | 1 x 65 W |
| AC Input Power | 100 to 240 VAC, 50 / 60 Hz |
Security
| Encryption | 256-Bit AES, FIPS 140-2 Level 2, AES-NI |
| Security Features | Kensington Security Slot |
Environmental
| Operating Temperature | 32 to 104°F / 0 to 40°C |
| Operating Humidity | 5 to 95% |
Physical
| Cooling | 1 x 70 mm Fan |
| Noise Level | 16.7 dBA |
| Built-In Speakers | Yes |
| IR Sensor | Yes |
| Status Monitoring | LED Indicator |
| Dimensions | 4.1 x 6.6 x 8.9" / 10.41 x 16.76 x 22.61 cm |
| Weight | 3.37 lb / 1.53 kg |
Packaging Info
| Package Weight | 5.725 lb |
| Box Dimensions (LxWxH) | 12.3 x 10.9 x 8.2" |
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