The TS-431K is powered by a quad-core 1.7 GHz CPU that features more CPU cores to enhance system performance.
TS-451D2-2G Overview
The 4-bay TS-451D2 provides high storage potential for home and small business users to store, share, and back up files. Business users can leverage its dual-core Intel processor to enable seamless multi-user on-premises/remote access to work files, while home users can enjoy a high-quality multimedia experience with both streaming and direct 4K HDMI 2.0 output. Cloud Storage Gateways allow you to leverage your existing cloud storage to deploy a hybrid-cloud solution, while a built-in App Center provides a wide range of applications to add additional functionality to the TS-451D2. TS-451D2-2G has 2GB of DDR4 RAM.
Quick Spec
Table 1 shows the quick spec.
Product Code | TS-451D2-2G |
CPU Model | Intel Celeron J4025 |
CPU Architecture | 64-bit x86 |
Graphic Processors | Intel HD Graphics 600 |
Floating Point Unit | √ |
System Memory | 2 GB SO-DIMM DDR4 (1 x 2 GB) |
Memory Slot | 2 x SO-DIMM DDR4 |
Maximum Memory | 8 GB (2 x 4GB) |
Drive Bay | 4 x 3.5-inch SATA 6Gb/s, 3Gb/s |
Drive Compatibility | 3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives |
HDMI Output | 1, HDMI 2.0 (up to 4096 x 2160 @ 60Hz) |
Product Details
TS-451D2-2G provides these features and benefits:
• Snapshots fully record the system status and data. If files are accidentally deleted or modified, you can quickly restore previously recorded data.
• HBS provides comprehensive backup and data recovery; QuDedup deduplicates data at the source to reduce storage usage, bandwidth usage, and backup time.

• 4K media playback and real-time transcoding; directly watch videos on a TV via HDMI output or streaming app.

• Cloud storage gateways leverage cloud services to realize hybrid cloud structure and ensure low-latency access to clouds.

• Host virtual machines and containers to run various applications on the TS-451D2.
• A secure private cloud that supports account protection, IP blocking, 2-step verification, encryption, and more.

• QNAP provides several ways to expand the storage capacity of your TS-451D2 to accommodate data and business growth.
Compare to Similar Items
Table 2 shows the comparison.
Product Code | TS-451D2-2G | |
CPU Model | Intel Celeron J4025 | Intel Celeron J4025 |
CPU Architecture | 64-bit x86 | 64-bit x86 |
Graphic Processors | Intel HD Graphics 600 | Intel HD Graphics 600 |
Floating Point Unit | √ | √ |
System Memory | 2 GB SO-DIMM DDR4 (1 x 2 GB) | 4 GB SO-DIMM DDR4 (1 x 4 GB) |
Memory Slot | 2 x SO-DIMM DDR4 | 2 x SO-DIMM DDR4 |
Maximum Memory | 8 GB (2 x 4GB) | 8 GB (2 x 4GB) |
Drive Bay | 4 x 3.5-inch SATA 6Gb/s, 3Gb/s | 4 x 3.5-inch SATA 6Gb/s, 3Gb/s |
Drive Compatibility | 3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives | 3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives |
HDMI Output | 1, HDMI 2.0 (up to 4096 x 2160 @ 60Hz) | 1, HDMI 2.0 (up to 4096 x 2160 @ 60Hz) |
TS-451D2-2G Specification
TS-451D2-2G Specification | |
CUP | Intel Celeron J4025 2-core/2-thread processor, burst up to 2.9 GHz |
CPU Architecture | 64-bit x86 |
Graphic Processors | Intel HD Graphics 600 |
Floating Point Unit | √ |
Encryption Engine | √(AES-NI) |
Hardware-accelerated Transcoding | √ |
System Memory | 2 GB SO-DIMM DDR4 (1 x 2 GB) |
Maximum Memory | 8 GB (2 x 4GB) |
Memory Slot | 2 x SO-DIMM DDR4 |
Flash Memory | 4GB (Dual boot OS protection) |
Drive Bay | 4 x 3.5-inch SATA 6Gb/s, 3Gb/s |
Drive Compatibility | 3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives |
Hot-swappable | √ |
SSD Cache Acceleration Support | √ |
Gigabit Ethernet Port (RJ45) | 108 TB |
Hot Swappable Drive | 2 |
Wake on LAN (WOL) | √ |
Jumbo Frame | √ |
USB 3.2 Gen 1 port | 4 |
HDMI Output | 1, HDMI 2.0 (up to 4096 x 2160 @ 60Hz) |
Form Factor | Tower |
LED Indicators | Power/Status, LAN, USB, HDD1-4 |
Buttons | Power, USB copy, Reset |
Dimensions (HxWxD) | 165.3 × 160 × 219.4 mm |
Weight (Net) | 2.09 kg |
Operating temperature | 0 - 40 °C (32°F - 104°F) |
Storage Temperature | -20 - 70°C (-4°F - 158°F) |
Relative Humidity | 5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F) |
Power Supply Unit | External Power Adapter, 90W, AC 100-240 V |
Fan | 1 x 120mm, 12VDC |
Sound Level | 18.5 db(A) |
System Warning | Buzzer |
Kensington Security Slot | √ |
Max. Number of Concurrent Connections (CIFS) - with Max. Memory | 1500 |
TS-451D2-2G Specification
TS-451D2-2G Specification |
|
CUP |
Intel Celeron J4025 2-core/2-thread processor, burst up to 2.9 GHz |
CPU Architecture |
64-bit x86 |
Graphic Processors |
Intel HD Graphics 600 |
Floating Point Unit |
√ |
Encryption Engine |
√(AES-NI) |
Hardware-accelerated Transcoding |
√ |
System Memory |
2 GB SO-DIMM DDR4 (1 x 2 GB) |
Maximum Memory |
8 GB (2 x 4GB) |
Memory Slot |
2 x SO-DIMM DDR4 |
Flash Memory |
4GB (Dual boot OS protection) |
Drive Bay |
4 x 3.5-inch SATA 6Gb/s, 3Gb/s |
Drive Compatibility |
3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives |
Hot-swappable |
√ |
SSD Cache Acceleration Support |
√ |
Gigabit Ethernet Port (RJ45) |
108 TB |
Hot Swappable Drive |
2 |
Wake on LAN (WOL) |
√ |
Jumbo Frame |
√ |
USB 3.2 Gen 1 port |
4 |
HDMI Output |
1, HDMI 2.0 (up to 4096 x 2160 @ 60Hz) |
Form Factor |
Tower |
LED Indicators |
Power/Status, LAN, USB, HDD1-4 |
Buttons |
Power, USB copy, Reset |
Dimensions (HxWxD) |
165.3 × 160 × 219.4 mm |
Weight (Net) |
2.09 kg |
Operating temperature |
0 - 40 °C (32°F - 104°F) |
Storage Temperature |
-20 - 70°C (-4°F - 158°F) |
Relative Humidity |
5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F) |
Power Supply Unit |
External Power Adapter, 90W, AC 100-240 V |
Fan |
1 x 120mm, 12VDC |
Sound Level |
18.5 db(A) |
System Warning |
Buzzer |
Kensington Security Slot |
√ |
Max. Number of Concurrent Connections (CIFS) - with Max. Memory |
1500 |
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