QNAP TS-451+ 4-Bay NAS with Intel Celeron and 2GB RAM
Powerful black tower NAS powered by a 2 GHz Intel Celeron J1900 with four cores and 2 GB DDR3L, featuring quiet cooling, dual Gigabit LAN, HDMI output, two USB‑3.0 ports, hot‑swap SATA III bays, RAID 0/1/5/6/10, iSCSI, SMB/CIFS, FTP, DLNA and web management for home or small office use.
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| Brand | QNAP |
| EAN | 4712511127713 |
| ASIN | B015CDDGZU |
| Model | TS-451_-2G |
| MPN | TS-451_-2G |
| AC input voltage | 100-240 V |
| Backup features | Cloud,iSCSI LUN |
| Backup function | Yes |
| Browser supported | Microsoft Internet Explorer 10+, Mozilla Firefox 8+, Apple Safari 4+, Google Chrome |
| Built-in display | No |
| Built-in FTP server | Yes |
| Built-in iTunes server | Yes |
| Built-in UPnP AV media server | Yes |
| Buzzer | Yes |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Cables included | AC,LAN (RJ-45) |
| Case colour | Black |
| Chassis type | Tower |
| Cooling | Fan |
| Cooling System | 1 x quiet cooling fan (12cm, 12V DC) |
| Cooling type | Active |
| CPU Family | Intel Celeron |
| CPU Speed | 2.0 GHz |
| Depth | 235 mm |
| Device class | Home & Home Office |
| DHCP Client | Yes |
| DHCP server | Yes |
| Dimensions | 180 x 177 x 235 (WxHxD mm) |
| Disk form factor | 2.5 & 3.5 |
| DOM Module | No |
| Drive Form Factor Support | 4 x 2.5"/3.5" |
| Drive Interface Support | 4 x SATA III - 6Gb/s |
| Electrical Frequency | 50 to 60 Hz |
| Electrical Power Consumption | 33.88 W |
| Enclosure Type | Caddy |
| Ethernet LAN | Yes |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| External Connectivity | 1 x HDMI 2 x LAN (10/100/1000) 2 x USB 2.0 2 x USB 3.0/2.0 |
| External power adapter | Yes |
| Fan diameter | 12 cm |
| Flash memory | 512 MB |
| Hard drive interface | SATA |
| HDMI Port | 1 x HDMI |
| Height | 177 mm |
| Hot spare | Yes |
| Hot-swap drive bays | Yes |
| Installed storage drive type | No |
| Internal Flash Memory | No |
| Internal memory | 2 GB |
| Internal memory type | DDR3L |
| iSCSI support | Yes |
| Jumbo frames support | Yes |
| LED indicators | HDD,LAN,Power,Status,USB |
| LED Status Indicators | Status, LAN, USB, HDD 1, HDD 2, HDD 3, HDD 4 |
| Link aggregation | Yes |
| Linux operating systems supported | Yes |
| Mac operating systems supported | Yes |
| Maximum RAM | 8 GB |
| Memory size | 2048 MB |
| Multilingual support | Yes |
| Network card data link protocol | Ethernet |
| Noise level | 16.9 dB |
| Number of hard disks | 4 |
| Number of screws | 28 |
| Operating humidity | 5 to 95 % |
| Operating system | Linux Embedded |
| Operating system installed | QNAP Turbo System |
| Operating system version | 4.2 |
| Power consumption (off) | 0.57 W |
| Power management | Yes |
| Power supply | External |
| Quick installation guide | Yes |
| RAID Format | RAID Level 0, 1, 5, 5+ spare, 6,10 |
| RAID levels | 0,1,5,6,10,JBOD |
| RAID support | Yes |
| Reset button | Yes |
| RJ-45 ports | 2 x RJ-45 |
| S.M.A.R.T. support | Yes |
| Security algorithms | HTTPS,SSH |
| Share folder | CIFS/SMB |
| Share folder access right management | Yes |
| Storage drives installed | No |
| Supported file systems | FAT32,HFS+,NTFS,ext3,ext4 |
| 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 interfaces | Serial ATA,Serial ATA II,Serial ATA III |
| Supported storage drive types | HDD,SSD |
| System log | Yes |
| Total Storage Included | N/A |
| Type | NAS |
| USB 2.0 / USB3.0 | No |
| USB port | Yes |
| USB Support | USB3.0 |
| Wake-on-LAN ready | Yes |
| Web-based management | Yes |
| Wi-Fi | No |
| Width | 180 mm |