
TS-251B-4G NAS Tower Intel® Celeron® J3355
4 GB DDR3L 12000 TB HDD QNAP Turbo System White
Model TS-251B-4GPart no. TS-251B-4G/8TB-IWEAN 5055628439348
167 specifications
- ProcessorIntel® Celeron®
- Memory4 GB
- Noise17.3 dB
- TypeNAS
- OSQNAP Turbo System
- Weight1.53 kg
Overview
- Processor
- Intel® Celeron®
- Memory
- 4 GB
- Noise
- 17.3 dB
- Type
- NAS
- OS
- QNAP Turbo System
- Weight
- 1.53 kg
- Brand
- QNAP
- Category
- NAS & Storage Servers
- Model
- TS-251B-4G
- Part numbers
- TS-251B-4G/8TB-IW, TS-251B-4G/12TB-IW, TS-251B-4G/16TB-IW, TS-251B-4G/20TB-IW, TS-251B-4G/24TB-IW, TS-251B-4G/2TB-IW +2 more
- EAN / UPC
- 5055628439348, 5050914098148, 5055628439355, 5050914098162 +11 more
- Also known as
- QNAP TS-251B-4G NAS Tower Intel® Celeron® J3355 4 GB DDR3L 12000 TB HDD QNAP Turbo System White
Specifications
167 specifications in 15 groups
Storage
| Specification | Value |
|---|---|
| Storage drives installed | Yes |
| Total installed storage capacity | 12000 TB |
| Number of storage drives installed | 2 |
| Number of storage drives supported | 2 |
| Installed storage drive type | HDD |
| Supported storage drive types | HDD & SSD |
| Storage drive capacity | 6 TB |
| Storage drive interface | Serial ATA III |
| Supported storage drive interfaces | Serial ATA III |
| Storage drive sizes supported | 2.5,3.5" |
| RAID support | Yes |
| RAID levels | 0, 1, JBOD |
| RAID rebuild | Yes |
| Hot-swap drive bays | Yes |
| Supported file systems | FAT32, HFS+, NTFS, exFAT, ext3, ext4 |
| Bad block scan | Yes |
| Disk roaming | Yes |
Processor
| Specification | Value |
|---|---|
| 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 |
| ECC supported by processor | No |
| PCI Express configurations | 1x2+2x1, 4x1 |
| PCI Express slots version | 2.0 |
| Processor cache type | Smart Cache |
| Processor code | SR2Z8 |
| Processor codename | Apollo Lake |
| Processor lithography | 14 nm |
| Processor operating modes | 64-bit |
| Processor package size | 24 x 31 mm |
| Processor socket | BGA 1296 |
| Stepping | B1 |
| System bus rate | 5 GT/s |
| Thermal Design Power (TDP) | 10 W |
| Tjunction | 105 °C |
| On-board graphics card model | Intel® HD Graphics 500 |
| Maximum internal memory supported by processor | 8 GB |
| Conflict-Free processor | Yes |
Memory
| Specification | Value |
|---|---|
| Internal memory | 4 GB |
| Internal memory type | DDR3L |
| Maximum RAM supported | 8 GB |
| Memory slots | 2 |
| Flash memory | 4096 MB |
Network
| Specification | Value |
|---|---|
| Ethernet LAN | Yes |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Wi-Fi | No |
| DHCP client | Yes |
| DHCP server | Yes |
| Jumbo frames support | Yes |
| iSCSI support | Yes |
| Wake-on-LAN ready | Yes |
| Dynamic DNS (DDNS) | Yes |
| Supported network protocols | PPTP, L2TP/IPSec, OpenVPN |
Ports & interfaces
| Specification | Value |
|---|---|
| Ethernet LAN (RJ-45) ports | 1 |
| USB port | Yes |
| USB 2.0 ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| Fiber ports quantity | 0 |
| HDMI ports quantity | 1 |
| 3.5 mm (1/8-inch) out | Yes |
| Microphone in | Yes |
Graphics
| Specification | Value |
|---|---|
| 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 |
Design
| Specification | Value |
|---|---|
| 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 | No |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Built-in speaker(s) | Yes |
| Number of built-in speakers | 1 |
Performance
| Specification | Value |
|---|---|
| Type | NAS |
| Device class | Home & Home Office |
| Backup function | Yes |
| Backup features | USB drive |
| Buzzer | Yes |
| Multilingual support | Yes |
| Noise level | 17.3 dB |
| Management protocols | SNMP |
| Share folder access right management | Yes |
| Access Control List (ACL) | Yes |
| Browser supported | Apple Safari 7 or later, Google Chrome, Microsoft Internet Explorer 10 or later, Mozilla Firefox |
| Built-in BitTorrent client | Yes |
| Built-in FTP server | Yes |
| Built-in iTunes server | Yes |
| Hot spare | Yes |
| On/off switch | Yes |
| Reset button | Yes |
| Security algorithms | 256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS |
| Share folder | CIFS/SMB |
| System log | Yes |
| Universal Plug and Play (UPnP) | Yes |
Software
| Specification | Value |
|---|---|
| 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 | Yes |
| 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 |
Power
| Specification | Value |
|---|---|
| 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 |
Weight & dimensions
| Specification | Value |
|---|---|
| Width | 105 mm |
| Depth | 226 mm |
| Height | 168 mm |
| Weight | 1.53 kg |
Packaging content
| Specification | Value |
|---|---|
| External power adapter | Yes |
| Cables included | AC, LAN (RJ-45) |
| Quick installation guide | Yes |
Processor special features
| Specification | Value |
|---|---|
| Embedded options available | Yes |
| Enhanced Intel SpeedStep Technology | Yes |
| Execute Disable Bit | Yes |
| Idle States | Yes |
| Intel 64 | Yes |
| Intel Clear Video Technology | Yes |
| Intel Enhanced Halt State | Yes |
| Intel Identity Protection Technology version | 1.00 |
| Intel Rapid Storage Technology | No |
| Intel Secure Boot | Yes |
| Intel Secure Boot Technology version | 1.00 |
| Intel Secure Key Technology version | 1.00 |
| Intel Small Business Advantage (SBA) version | 0.00 |
| Intel Smart Connect Technology | No |
| Intel Smart Connect Technology version | 0.00 |
| Intel Smart Response Technology version | 0.00 |
| Intel Stable Image Platform Program (SIPP) | No |
| Intel Stable Image Platform Program (SIPP) version | 0.00 |
| Intel Trusted Execution Technology | No |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel Virtualization Technology (VT-x) | Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
| Intel® AES New Instructions (Intel® AES-NI) | Yes |
| Intel® Anti-Theft Technology (Intel® AT) | No |
| Intel® Clear Video HD Technology (Intel® CVT HD) | Yes |
| Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID) | Yes |
| Intel® High Definition Audio (Intel® HD Audio) | Yes |
| Intel® Hyper Threading Technology (Intel® HT Technology) | No |
| Intel® Identity Protection Technology (Intel® IPT) | Yes |
| Intel® InTru™ 3D Technology | No |
| Intel® Insider™ | No |
| Intel® OS Guard | No |
| Intel® Quick Sync Video Technology | Yes |
| Intel® Secure Key | Yes |
| Intel® Small Business Advantage (Intel® SBA) | No |
| Intel® Smart Response Technology | No |
| Intel® Turbo Boost Technology | No |
| Intel® Wireless Display (Intel® WiDi) | No |
| Maximum number of PCI Express lanes | 6 |
| Number of execution units | 12 |
| Thermal Monitoring Technologies | Yes |
| UART | Yes |
| Memory channels supported by processor | Dual |
| Memory types supported by processor | DDR3L, LPDDR3-SDRAM, LPDDR4-SDRAM |
Operational conditions
| Specification | Value |
|---|---|
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 5 - 95% |
Other features
| Specification | Value |
|---|---|
| Processor ARK ID | 95597 |
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