QNAP TS-251B NAS Tower Ethernet LAN White J3355
Manufacturer: QNAP
Model: TS-251B-2G
EAN: 0885022015689
QNAP TS-251B. Supported storage drive types: HDD & SSD, Storage drive interface: Serial ATA III, Supported storage drive interfaces: Serial ATA III. Processor family: Intel® Celeron®, Processor manufacturer: Intel, Processor model: J3355. Internal memory: 2 GB, Internal memory type: DDR3L, Maximum RAM supported: 8 GB. Ethernet LAN data rates: 10,100,1000 Mbit/s, Supported network protocols: PPTP, L2TP/IPSec, OpenVPN. HDMI version: 1.4b
No offers found...
Product reviews from our users
No comments yet
Only registered users can leave comments
Product information
| Processor | |
| Processor manufacturer | Intel |
| Processor family | Intel® Celeron® |
| Processor model | J3355 |
| Processor frequency | 2 GHz |
| Processor boost frequency | 2.5 GHz |
| Processor cores | 2 |
| Processor threads | 2 |
| Processor cache | 2 MB |
| CPU configuration (max) | 1 |
| Tjunction | 105 °C |
| PCI Express configurations | 1x2+2x1, 4x1 |
| Thermal Design Power (TDP) | 10 W |
| Processor cache type | Smart Cache |
| ECC supported by processor | |
| Processor package size | 24 x 31 mm |
| Processor codename | Apollo Lake |
| Processor code | SR2Z8 |
| System bus rate | 5 GT/s |
| Processor lithography | 14 nm |
| Processor socket | BGA 1296 |
| Stepping | B1 |
| Processor operating modes | 64-bit |
| PCI Express slots version | 2.0 |
| On-board graphics card model | Intel® HD Graphics 500 |
| Maximum internal memory supported by processor | 8 GB |
| Conflict-Free processor | |
| Memory | |
| Internal memory type | DDR3L |
| Internal memory | 2 GB |
| Maximum RAM supported | 8 GB |
| Memory slots | 2 |
| Flash memory | 4096 MB |
| Performance | |
| Type | NAS |
| Device class | Home & Home Office |
| Backup function | |
| Backup features | USB drive |
| Buzzer | |
| Multilingual support | |
| Noise level | 17.3 dB |
| Management protocols | SNMP |
| Share folder access right management | |
| Built-in iTunes server | |
| Built-in FTP server | |
| System log | |
| Hot spare | |
| Share folder | CIFS/SMB |
| Universal Plug and Play (UPnP) | |
| Built-in BitTorrent client | |
| On/off switch | |
| Access Control List (ACL) | |
| Security algorithms | 256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS |
| Reset button | |
| Browser supported | Apple Safari 7 or later, Google Chrome, Microsoft Internet Explorer 10 or later, Mozilla Firefox |
| Design | |
| Chassis type | Tower |
| Cooling type | Active |
| Product colour | White |
| Number of fans | 1 fan(s) |
| Fan diameter | 7 cm |
| LED indicators | HDD, LAN, Power, Status, USB |
| Built-in display | |
| Cable lock slot | |
| Cable lock slot type | Kensington |
| Number of built-in speakers | 1 |
| Built-in speaker(s) | |
| Storage | |
| Storage drives installed | |
| Number of storage drives supported | 2 |
| Installed storage drive type | |
| Supported storage drive types | HDD & SSD |
| Storage drive interface | Serial ATA III |
| Supported storage drive interfaces | Serial ATA III |
| Storage drive sizes supported | 2.5,3.5 " |
| RAID support | |
| RAID levels | 0, 1, JBOD |
| RAID rebuild | |
| Hot-swap drive bays | |
| Supported file systems | FAT32, HFS+, NTFS, exFAT, ext3, ext4 |
| Bad block scan | |
| Disk roaming | |
| Network | |
| Ethernet LAN | |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Wi-Fi | |
| DHCP client | |
| DHCP server | |
| Jumbo frames support | |
| iSCSI support | |
| Wake-on-LAN ready | |
| Dynamic DNS (DDNS) | |
| Supported network protocols | PPTP, L2TP/IPSec, OpenVPN |
| Ports & interfaces | |
| Ethernet LAN (RJ-45) ports | 1 |
| USB port | |
| USB 2.0 ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| HDMI ports quantity | 1 |
| HDMI version | 1.4b |
| 3.5 mm (1/8-inch) out | |
| Microphone in | |
| Power | |
| Power supply location | External |
| Power supply unit (PSU) capacity | 65 W |
| Power consumption (typical) | 15.25 W |
| Power consumption (HDD standby) | 8.08 W |
| AC input voltage | 100 - 240 V |
| Operational conditions | |
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 5 - 95 % |
| Packaging content | |
| External power adapter | |
| Cables included | AC, LAN (RJ-45) |
| Quick installation guide | |
| Weight & dimensions | |
| Width | 105 mm |
| Depth | 226 mm |
| Height | 168 mm |
| Weight | 1.53 kg |
| Software | |
| Operating system installed | QNAP Turbo System |
| Operating system version | 4.3.4 |
| Windows operating systems supported | Windows 10, Windows 7, Windows 8 |
| Linux operating systems supported | |
| Mac operating systems supported | Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks |
| Server operating systems supported | Windows Server 2003, Windows Server 2003 x64, Windows Server 2008 R2, Windows Server 2008 R2 x64, Windows Server 2012, Windows Server 2012 R2, Windows Server 2012 R2 x64, Windows Server 2012 x64, Windows Server 2016, Windows Server 2016 x64 |
| Processor special features | |
| Intel Trusted Execution Technology | |
| Thermal Monitoring Technologies | |
| Intel Enhanced Halt State | |
| Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID) | |
| Intel VT-x with Extended Page Tables (EPT) | |
| Embedded options available | |
| Intel® Small Business Advantage (Intel® SBA) | |
| Intel® High Definition Audio (Intel® HD Audio) | |
| Idle States | |
| Execute Disable Bit | |
| Intel Smart Connect Technology | |
| Intel® Hyper Threading Technology (Intel® HT Technology) | |
| Intel® Anti-Theft Technology (Intel® AT) | |
| Intel® Turbo Boost Technology | |
| Intel Rapid Storage Technology | |
| Intel® Quick Sync Video Technology | |
| Intel® InTru™ 3D Technology | |
| Intel® Wireless Display (Intel® WiDi) | |
| Intel® Clear Video HD Technology (Intel® CVT HD) | |
| Intel® Insider™ | |
| Intel® AES New Instructions (Intel® AES-NI) | |
| Enhanced Intel SpeedStep Technology | |
| Intel® Smart Response Technology | |
| Intel® Secure Key | |
| Intel Virtualization Technology (VT-x) | |
| Intel Stable Image Platform Program (SIPP) version | 0.00 |
| Intel Smart Connect Technology version | 0.00 |
| Intel Smart Response Technology version | 0.00 |
| Intel Small Business Advantage (SBA) version | 0.00 |
| Intel Secure Boot Technology version | 1.00 |
| Intel 64 | |
| Intel Stable Image Platform Program (SIPP) | |
| Intel® OS Guard | |
| UART | |
| Intel Virtualization Technology for Directed I/O (VT-d) | |
| Number of execution units | 12 |
| Maximum number of PCI Express lanes | 6 |
| Intel Secure Boot | |
| Intel Clear Video Technology | |
| Intel Identity Protection Technology version | 1.00 |
| Intel Secure Key Technology version | 1.00 |
| Intel® Identity Protection Technology (Intel® IPT) | |
| Memory channels supported by processor | Dual |
| Memory types supported by processor | DDR3L, LPDDR3-SDRAM, LPDDR4-SDRAM |
| Graphics | |
| On-board graphics card base frequency | 250 MHz |
| On-board graphics card burst frequency | 700 MHz |
| Maximum on-board graphics card memory | 8 GB |
| Number of displays supported (on-board graphics) | 3 |
| Other features | |
| Processor ARK ID | 95597 |