
TS-251D NAS Tower Intel® Celeron® J4005
2 GB DDR4 0 TB QNAP QTS White
Model TS-251DPart no. TS-251D-4G/20TB-REDEAN 5051868150173
155 specifications
- ProcessorIntel® Celeron®
- Memory2 GB
- Noise16.7 dB
- TypeNAS
- OSQNAP QTS
- Weight1.48 kg
Overview
- Processor
- Intel® Celeron®
- Memory
- 2 GB
- Noise
- 16.7 dB
- Type
- NAS
- OS
- QNAP QTS
- Weight
- 1.48 kg
- Brand
- QNAP
- Category
- NAS & Storage Servers
- Model
- TS-251D
- Part numbers
- TS-251D-4G/20TB-RED, TS-251D-2G, TS-251D-4G, TS-251D-2G/24TB-IW, TS-251D-2G/6TB-IW, TS-251D-4G/28TB-IW +34 more
- EAN / UPC
- 5051868150173, 4713213516669, 4713213516676, 5051868192326 +40 more
- Also known as
- QNAP TS-251D NAS Tower Intel® Celeron® J4005 2 GB DDR4 0 TB QNAP QTS White
Specifications
155 specifications in 16 groups
Storage
| Specification | Value |
|---|---|
| Storage drives installed | No |
| Total installed storage capacity | 0 TB |
| Number of storage drives installed | 0 |
| Number of storage drives supported | 2 |
| Installed storage drive type | No |
| Supported storage drive types | HDD & SSD |
| Storage drive capacity | 0 GB |
| Supported storage drive interfaces | Serial ATA II, Serial ATA III |
| Storage drive sizes supported | 3.5" |
| Number of M.2 (M & B) slots | 1 |
| RAID support | Yes |
| RAID levels | 0, 1, JBOD |
| Online RAID migration | Yes |
| Online RAID expansion | Yes |
| RAID rebuild | Yes |
| Hot-swap drive bays | Yes |
| Supported file systems | FAT32, HFS+, NTFS, ext3, ext4 |
| Bad block scan | Yes |
| Disk roaming | Yes |
Processor
| Specification | Value |
|---|---|
| Processor manufacturer | Intel |
| Processor family | Intel® Celeron® |
| Processor model | J4005 |
| Processor frequency | 2 GHz |
| Processor boost frequency | 2.7 GHz |
| Processor cores | 2 |
| Processor threads | 2 |
| Processor cache | 4 MB |
| CPU configuration (max) | 1 |
| PCI Express configurations | 1x2, 1x2+2x1, 1x4, 2x1, 4x1 |
| PCI Express slots version | 2.0 |
| Processor codename | Gemini Lake |
| Processor lithography | 14 nm |
| Processor operating modes | 64-bit |
| Processor package size | 25 x 24 mm |
| Processor socket | BGA 1090 |
| Thermal Design Power (TDP) | 10 W |
| Tjunction | 105 °C |
| On-board graphics card model | Intel® UHD Graphics 600 |
| Maximum internal memory supported by processor | 8 GB |
| Conflict-Free processor | Yes |
Memory
| Specification | Value |
|---|---|
| Internal memory | 2 GB |
| Internal memory type | DDR4 |
| Maximum RAM supported | 8 GB |
| Memory form factor | SO-DIMM |
| Memory slots | 2 |
| Flash memory | 4000 MB |
Network
| Specification | Value |
|---|---|
| Ethernet LAN | Yes |
| Ethernet LAN data rates | 1000 Mbit/s |
| Wi-Fi | No |
| DHCP client | Yes |
| DHCP server | Yes |
| Jumbo frames support | Yes |
| iSCSI support | Yes |
| Wake-on-LAN ready | Yes |
| Link aggregation | Yes |
| Supported network protocols | TCP/IP, PTP, L2TP/IPSec, OpenVPN, QBelt(, FTP, SFTP, TFTP |
| WLAN adapter supported | Yes |
Ports & interfaces
| Specification | Value |
|---|---|
| Ethernet LAN (RJ-45) ports | 1 |
| USB port | Yes |
| USB 2.0 ports quantity | 3 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| Fiber ports quantity | 0 |
| HDMI ports quantity | 1 |
| HDMI version | 2.0 |
Graphics
| Specification | Value |
|---|---|
| On-board graphics card DirectX version | 12.0 |
| On-board graphics card ID | 0x3185 |
| On-board graphics card base frequency | 250 MHz |
| On-board graphics card burst frequency | 700 MHz |
| On-board graphics card dynamic frequency (max) | 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 |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
Performance
| Specification | Value |
|---|---|
| Type | NAS |
| Device class | Home & Home Office |
| Backup function | Yes |
| Backup features | Cloud, USB drive |
| Buzzer | Yes |
| Multilingual support | Yes |
| Noise level | 16.7 dB |
| Third-party support | Yes |
| Snapshot | Yes |
| Web-based management | Yes |
| Access Control List (ACL) | Yes |
| Browser supported | Apple Safari 7+, Google Chrome, Microsoft Internet Explorer 10+, Mozilla Firefox |
| Built-in FTP server | Yes |
| Hot spare | Yes |
| On/off switch | Yes |
| Reset button | Yes |
| S.M.A.R.T. support | Yes |
| Security algorithms | 256-bit AES, FIPS 140-2, HTTPS, SNMPv3, SSH, SSL/TLS |
| Share folder | CIFS/SMB |
| System log | Yes |
| USB copy function | Yes |
| Universal Plug and Play (UPnP) | Yes |
Software
| Specification | Value |
|---|---|
| Operating system installed | QNAP QTS |
| Operating system version | 5.0.0 |
| 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 10.14 Mojave, Mac OS X 10.15 Catalina, 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 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019 |
Power
| Specification | Value |
|---|---|
| Power supply location | External |
| Power supply unit (PSU) capacity | 65 W |
| Number of power supply units | 1 |
| Power consumption (typical) | 15.25 W |
| Power consumption (sleep) | 8.08 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Fan voltage | 12 V |
Weight & dimensions
| Specification | Value |
|---|---|
| Width | 105 mm |
| Depth | 226 mm |
| Height | 168 mm |
| Weight | 1.48 kg |
| Package weight | 2.58 kg |
Packaging content
| Specification | Value |
|---|---|
| External power adapter | Yes |
| Cables included | AC, LAN (RJ-45) |
| Quick installation guide | Yes |
| Number of screws | 14 |
Processor special features
| Specification | Value |
|---|---|
| Embedded options available | No |
| Enhanced Intel SpeedStep Technology | Yes |
| Execute Disable Bit | Yes |
| Idle States | Yes |
| Intel 64 | Yes |
| Intel Enhanced Halt State | Yes |
| Intel Identity Protection Technology version | 1.00 |
| Intel Secure Key Technology version | 1.00 |
| Intel Smart Response Technology version | 0.00 |
| 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® Hyper Threading Technology (Intel® HT Technology) | No |
| Intel® Identity Protection Technology (Intel® IPT) | Yes |
| Intel® OS Guard | Yes |
| Intel® Quick Sync Video Technology | Yes |
| Intel® Secure Key | Yes |
| Intel® Smart Response Technology | No |
| Intel® Turbo Boost Technology | No |
| Maximum number of PCI Express lanes | 6 |
| Number of execution units | 12 |
| Thermal Monitoring Technologies | Yes |
| UART | Yes |
| Memory types supported by processor | DDR4-SDRAM, LPDDR4-SDRAM |
Operational conditions
| Specification | Value |
|---|---|
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 5 - 95% |
| Storage temperature (T-T) | -20 - 70 °C |
Logistics data
| Specification | Value |
|---|---|
| Harmonized System (HS) code | 84714100 |
Other features
| Specification | Value |
|---|---|
| Processor ARK ID | 128992 |
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