QNAP TS-251D NAS Tower
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| Brand | QNAP |
| EAN | 4713213516669 |
| ASIN | B083QS3565 |
| MPN | TS-251D-2G |
| SKU | TS-251D-2G |
| 3D | No |
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| Access Control List ACL | Yes |
| Backlight type | LED |
| Backup features | Cloud, USB drive |
| Backup function | Yes |
| Battery capacity | 56 Wh |
| Battery cells | 6 |
| Battery technology | Lithium Polymer (LiPo) |
| Battery voltage | 10.8 V |
| Brand compatibility | Acer |
| Browser supported | Apple Safari 7+, Google Chrome, Microsoft Internet Explorer 10+, Mozilla Firefox |
| Built-in battery | No |
| Built-in FTP server | Yes |
| Built-in speakers | No |
| Buzzer | Yes |
| Cable colour | Black |
| Cable length | 0.2 m |
| Cable Lock Slot | Yes |
| Cable lock slot type | Kensington |
| Cable management | Yes |
| Cable type | H05VV-F |
| Cables included | AC, LAN (RJ-45) |
| Carrying handles | Yes |
| CAS Latency | 16 |
| Case type | Backpack case |
| Certification | CE |
| Chassis type | Tower |
| Colour | White |
| Compatible Rack Width | 10" |
| Component for | PC/server |
| Connector 1 | VGA |
| Connector 1 form factor | Straight |
| Connector 1 gender | Male |
| Connector 2 | DisplayPort |
| Connector 2 gender | Female |
| Connector gender | Male/Male |
| Connector location | Bottom left |
| Connector Type | 40-pin, BLHS |
| Cooling type | Active |
| Country of origin | China |
| Depth | 226 mm |
| Device class | Home & Home Office |
| DHCP client | Yes |
| DHCP server | Yes |
| Display diagonal | 39.6 cm (15.6") |
| Display resolution | 1366 x 768 pixels |
| Displays Supported | 1 |
| Distance to the wall | 3.3 cm |
| Ethernet LAN data rates | 1000 Mbit/s |
| Execution units | 12 |
| External power adapter | Yes |
| Fan diameter | 7 cm |
| Flash memory | 4000 MB |
| Front pocket | Yes |
| Glossy display | No |
| Harmonized System HS code | 84714100 |
| HD type | WXGA |
| HDMI version | 2.0 |
| Height | 168 mm |
| Hot spare | Yes |
| Hot-swap drive bays | Yes |
| Housing material | Plastic,Steel |
| Input voltage | 250 V |
| Installed storage drive type | No |
| Integrated compartment(s) | Yes |
| Intel Extreme Memory Profile XMP | Yes |
| Intel Smart Response Technology version | 0.00 |
| Internal memory | 2048 MB |
| Internal memory type | DDR4 |
| iSCSI support | Yes |
| Jumbo frames support | Yes |
| LED backlight | Yes |
| LED indicators | HDD, LAN, Power, Status, USB |
| Linear mass density | 600 D |
| Link aggregation | Yes |
| Linux operating systems supported | Yes |
| Manual | Yes |
| Master outer case height | 6.09 cm |
| Master outer case length | 31.1 cm |
| Master outer case weight | 1.43 kg |
| Master outer case width | 19.7 cm |
| Material | Polyethylene terephthalate (PET) |
| Maximum displays supported | 3 |
| Maximum internal memory supported by processor | 8 GB |
| Maximum RAM supported | 8192 MB |
| Maximum Screen Size | 165.1 cm (65") |
| Maximum VESA mount | 900 x 600 mm |
| Maximum weight capacity | 100 kg |
| Memory clock speed | 2666 MHz |
| Memory form factor | SO-DIMM |
| Memory layout | 1 x 4 GB |
| Memory slots | 2 |
| Memory types supported by processor | DDR4-SDRAM, LPDDR4-SDRAM |
| Minimum screen size compatibility | 33 cm (13") |
| Mounting type | Wall |
| Multilingual support | Yes |
| Noise Level | 16.7 dB |
| On/off switch | Yes |
| Online RAID expansion | Yes |
| Online RAID migration | Yes |
| Operating relative humidity | 5 - 95 % |
| Operating system installed | QNAP QTS |
| Operating system version | 4.4.1 |
| Operating temperature | 0 - 40 °C |
| Power consumption | 15.25 W |
| Power consumption sleep | 8.08 W |
| Power supply location | External |
| Power supply unit PSU capacity | 65 W |
| Processor ARK ID | 128992 |
| Processor boost frequency | 2.7 GHz |
| Processor codename | Gemini Lake |
| Processor family | Intel® Celeron® |
| Processor model | J4005 |
| Processor operating modes | 64-bit |
| Processor package size | 25 x 24 mm |
| Processor socket | BGA 1090 |
| Product main colour | Grey |
| Quantity per master outer case | 25 pc(s) |
| Quick installation guide | Yes |
| RAID levels | 0, 1, JBOD |
| RAID Support | Yes |
| Reset button | Yes |
| Security algorithms | 256-bit AES, FIPS 140-2, HTTPS, SNMPv3, SSH, SSL/TLS |
| Share folder | CIFS/SMB |
| Size | 25.4 cm (10") |
| SMART support | Yes |
| Snapshot | Yes |
| Stand mode | Yes |
| Storage drive sizes supported | 3.5" |
| Storage temperature | -20 - 70 °C |
| Supported file systems | FAT32, HFS+, NTFS, ext3, ext4 |
| Supported storage drive interfaces | Serial ATA II, Serial ATA III |
| Supported storage drive types | HDD & SSD |
| Sustainability certificates | RoHS |
| System log | Yes |
| Technical features | 1920 x 1200 WUXGA |
| Third-party support | Yes |
| Tjunction | 105 °C |
| Touchscreen | No |
| Type | NAS |
| USB port | Yes |
| Volume | 18 L |
| Wake-on-LAN ready | Yes |
| Web-based management | Yes |
| Weight | 1.48 kg |
| Wi-Fi | No |
| Windows operating systems supported | Windows 10, Windows 7, Windows 8 |
| WLAN adapter supported | Yes |
