HS‑251 SilentStream 2‑Bay NAS
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| Identifiers | |
|---|---|
| Model | QNAP HS-251 |
| MPN | QNAP HS-251 |
| Dimensions / Weight | |
| Key Features | |
| AC input voltage | 100-240 V |
| Backup function | Yes |
| Built-in display | No |
| Buzzer | Yes |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Cabling technology | 10/100/1000Base-T(X) |
| Card reader integrated | No |
| Chassis type | Desktop |
| Cooling type | Passive |
| Depth | 220 mm |
| Device class | Home & Home Office |
| DHCP Client | Yes |
| DHCP server | Yes |
| Ethernet LAN | Yes |
| External power adapter | Yes |
| Flash memory | 512 MB |
| HDMI ports quantity | 1 |
| Height | 41.3 mm |
| Hot-swap drive bays | Yes |
| Internal memory type | DDR3L |
| iSCSI support | Yes |
| Jumbo frames support | Yes |
| LED indicators | Yes |
| Linux operating systems supported | Yes |
| Mac operating systems supported | Yes |
| Management protocols | SNMP, Telnet |
| Multilingual support | Yes |
| Number of storage drives supported | 2 |
| Operating system installed | QNAP Turbo System |
| Operating system version | 4.1 |
| Processor family | Intel® Celeron® |
| Processor frequency | 2.41 GHz |
| RAID levels | 0,1,JBOD |
| RAID support | Yes |
| Reset button | Yes |
| Security algorithms | 256-bit AES,FIPS 140-2,HTTPS,SSH,SSL/TLS |
| Server operating systems supported | Windows Server 2003 |
| Storage drive size | 2.5/3.5" |
| Storage drives installed | No |
| Supported file systems | ext3,ext4,FAT32,HFS+,NTFS |
| Supported network protocols | CIFS/SMB,AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC |
| Supported storage drive types | HDD,SSD |
| Type | NAS |
| Wake-on-LAN ready | Yes |
| Web-based management | Yes |
| Weight | 1.56 kg |
| Width | 302 mm |
| Windows operating systems supported | Yes |
QNAP is a Taiwanese technology company that produces network-attached storage (NAS) devices. The company was founded in 2004 and is headquartered in Taipei. QNAP's products are used by consumers, small businesses, and enterprises, and include NAS devices, surveillance solutions, and cloud storage services.
