TS-351

TS-351

TS-431P2

TS-431P2

TS-451D2

TS-451D2

CPU
CPU Intel® Celeron® J1800 2-core/2-thread processor, burst up to 2.58 GHz Intel® Celeron® J1800 2-core/2-thread processor, burst up to 2.58 GHz AnnapurnaLabs Alpine AL314 32-bit ARM® Cortex-A15 4-core 1.7GHz processor AnnapurnaLabs Alpine AL314 32-bit ARM® Cortex-A15 4-core 1.7GHz processor Intel® Celeron® J4025 2-core/2-thread processor, burst up to 2.9 GHz Intel® Celeron® J4025 2-core/2-thread processor, burst up to 2.9 GHz
CPU Architecture
CPU Architecture 64-bit x86 64-bit x86 32-bit ARM 32-bit ARM 64-bit x86 64-bit x86
Graphic Processors
Graphic Processors Intel® HD Graphics Intel® HD Graphics Intel® HD Graphics 600 Intel® HD Graphics 600
Floating Point Unit
Floating Point Unit
Encryption Engine
Encryption Engine (AES-NI) (AES-NI)
Hardware-accelerated Transcoding
Hardware-accelerated Transcoding , up to 1080P , up to 1080P
System Memory
System Memory 4 GB SODIMM DDR3L (1 x 4 GB) 2 GB SODIMM DDR3L (1 x 2 GB) 1 GB SODIMM DDR3L RAM 4 GB SODIMM DDR3 RAM 4 GB SODIMM DDR4 (1 x 4 GB) 2 GB SODIMM DDR4 (1 x 2 GB)
Maximum Memory
Maximum Memory 8 GB (2 x 4 GB) 8 GB (2 x 4 GB) 8 GB (1 x 8GB) 8 GB (1 x 8GB) 8 GB (2 x 4GB) 8 GB (2 x 4GB)
Memory Slot
Memory Slot 2 x SODIMM DDR3L 1 2 x SODIMM DDR3L 1 1 x SODIMM DDR3L/DDR3 1 x SODIMM DDR3L/DDR3 2 x SODIMM DDR4 2 2 x SODIMM DDR4 2
Flash Memory
Flash Memory 512MB (Dual boot OS protection) 512MB (Dual boot OS protection) 512 MB (Dual boot OS protection) 512 MB (Dual boot OS protection) 4GB (Dual boot OS protection) 4GB (Dual boot OS protection)
Drive Bay
Drive Bay 3 x 3.5-inch SATA 6Gb/s, 3Gb/s 3 3 x 3.5-inch SATA 6Gb/s, 3Gb/s 3 4 x 3.5-inch SATA 6Gb/s, 3Gb/s 4 x 3.5" SATA 6Gb/s, 3Gb/s 4 x 3.5-inch SATA 6Gb/s, 3Gb/s 4 4 x 3.5-inch SATA 6Gb/s, 3Gb/s 4
Drive Compatibility
Drive Compatibility 3.5-inch SATA hard disk drives

2.5-inch SATA hard disk drives

2.5-inch SATA solid state drives 5
3.5-inch SATA hard disk drives

2.5-inch SATA hard disk drives

2.5-inch SATA solid state drives 5
3.5-inch bays:

3.5-inch SATA hard disk drives

2.5-inch SATA hard disk drives

2.5-inch SATA solid state drives
3.5-inch bays:

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
3.5-inch SATA hard disk drives

2.5-inch SATA hard disk drives

2.5-inch SATA solid state drives
Hot-swappable
Hot-swappable (Not supported M.2 SSD) (Not supported M.2 SSD)
M.2 Slot
M.2 Slot 2 x M.2 2280 NVMe 500 MB/s slots 6 2 x M.2 2280 NVMe 500 MB/s slots 6
SSD Cache Acceleration Support
SSD Cache Acceleration Support Drive bay 3

M.2 Slots 1 to 2
Drive bay 3

M.2 Slots 1 to 2
Gigabit Ethernet Port (RJ45)
Gigabit Ethernet Port (RJ45) 1 1 2 2 2 2
Jumbo Frame
Jumbo Frame
USB 2.0 port
USB 2.0 port 2 2
USB 3.2 Gen 1 port
USB 3.2 Gen 1 port 1 1 3 3 4 4
HDMI™ Output
HDMI™ Output 1, HDMI™ 1.4a (up to 1080p) 1, HDMI™ 1.4a (up to 1080p) 1, HDMI™ 2.0 (up to 4096 x 2160 @ 60Hz) 1, HDMI™ 2.0 (up to 4096 x 2160 @ 60Hz)
Audio Output
Audio Output 1 x built-in speaker, 1 x 3.5mm line out jack (for amplifiers or speakers) 1 x built-in speaker, 1 x 3.5mm line out jack (for amplifiers or speakers)
Form Factor
Form Factor Tower Tower Tower Tower Tower Tower
LED Indicators
LED Indicators System Status, LAN, USB, HDD1~3, M.2 SSD1~2 System Status, LAN, USB, HDD1~3, M.2 SSD1~2 Power, Status, LAN, USB, HDD1-4 Power, Status, LAN, USB, HDD1-4 Power/Status, LAN, USB, HDD1-4 Power/Status, LAN, USB, HDD1-4
Buttons
Buttons Power, Reset, USB Copy Power, Reset, USB Copy Power, Reset, USB Auto Copy Power, Reset, USB Auto Copy Power, USB copy, Reset Power, USB copy, Reset
Dimensions (HxWxD)
Dimensions (HxWxD) 142 × 150 × 260.1 mm 142 × 150 × 260.1 mm 169 × 160 × 219 mm 169 × 160 × 219 mm 165.3 × 160 × 219.4 mm 165.3 × 160 × 219.4 mm
Weight (Net)
Weight (Net) 1.64 kg 1.64 kg 2.01 kg 2.01 kg 2.09 kg 2.09 kg
Weight (Gross)
Weight (Gross) 2.69 kg 2.69 kg 3.5 kg 3.5 kg 3.02 kg 3.02 kg
Operating Temperature
Operating Temperature 0 - 40 °C (32°F - 104°F) 0 - 40 °C (32°F - 104°F) 0 - 40 °C (32°F - 104°F) 0 - 40 °C (32°F - 104°F) 0 - 40 °C (32°F - 104°F) 0 - 40 °C (32°F - 104°F)
Storage Temperature
Storage Temperature -20 - 70°C (-4°F - 158°F) -20 - 70°C (-4°F - 158°F) -20 - 70°C (-4°F - 158°F) -20 - 70°C (-4°F - 158°F) -20 - 70°C (-4°F - 158°F) -20 - 70°C (-4°F - 158°F)
Relative Humidity
Relative Humidity 5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F) 5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F) 5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F) 5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F) 5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F) 5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F)
Power Supply Unit
Power Supply Unit 65W adapter, 100 - 240V 65W adapter, 100 - 240V External Power Adapter,90W, 100-240V External Power Adapter,90W, 100-240V External Power Adapter, 90W, AC 100-240 V External Power Adapter, 90W, AC 100-240 V
Power Consumption: Disk Standby Mode
Power Consumption: Disk Standby Mode 18.56 W 18.56 W 10.62 W 21.3 W
Power Consumption: Operating Mode, Typical
Power Consumption: Operating Mode, Typical 26.22 W 7 26.22 W 7 23.72 W 7 23.72 W 7
Fan
Fan 1 x 90mm, 12VDC 1 x 90mm, 12VDC 1 x 120mm, 12VDC 1 x 120mm, 12VDC 1 x 120mm, 12VDC 1 x 120mm, 12VDC
System Warning
System Warning Voice prompts or Buzzer Voice prompts or Buzzer Buzzer Buzzer Buzzer Buzzer
Kensington Security Slot
Kensington Security Slot
Standard Warranty
Standard Warranty 2 2 2 2 2 2
Port Trunking / Link Aggregation
Port Trunking / Link Aggregation
Network Service Discovery (UPnP & Bonjour)
Network Service Discovery (UPnP & Bonjour)
Virtual LAN (VLAN)
Virtual LAN (VLAN)
Service Binding Based on Network Interfaces
Service Binding Based on Network Interfaces
AES 256-bit Volume-based Encryption
AES 256-bit Volume-based Encryption
AES 256-bit Folder Encryption
AES 256-bit Folder Encryption
External Drive Encryption
External Drive Encryption
Hardware Encryption Engine (Not available in certain countries)
Hardware Encryption Engine (Not available in certain countries)
Snapshot
Snapshot (max 256) (max 256) (256) (256) (max 1024) (max 1024)
RAID Recovery
RAID Recovery
Online RAID Capacity Expansion
Online RAID Capacity Expansion
Online RAID Level Migration
Online RAID Level Migration
RAID 10
RAID 10
RAID 6
RAID 6
RAID 5+ Spare
RAID 5+ Spare
RAID 5
RAID 5
RAID 1
RAID 1
RAID 0
RAID 0
JBOD
JBOD
Single Disk
Single Disk
Global Hot Spare
Global Hot Spare
Storage Pool
Storage Pool
SSD Caching
SSD Caching
iSCSI Target
iSCSI Target
iSCSI LUN Snapshot/Backup
iSCSI LUN Snapshot/Backup
Thin-provisioned volume
Thin-provisioned volume
SSD Over-provisioning
SSD Over-provisioning
Container Station
Container Station
Virtualization Station
Virtualization Station
Linux Station (RAM of NAS >= 4GB)
Linux Station (RAM of NAS >= 4GB)
Domain Controller
Domain Controller
Wake on LAN (WOL)
Wake on LAN (WOL)
Max. Number of Users
Max. Number of Users 4096 4096 4096 4096 4096 4096
Max. Number of User Groups
Max. Number of User Groups 512 512 512 512 512 512
Max. Number of Share Folders
Max. Number of Share Folders 512 512 512 512 512 512
Max. Number of Concurrent Connections (CIFS) - with Max. Memory
Max. Number of Concurrent Connections (CIFS) - with Max. Memory 1500 1500 400 400 1500 1500
Language
Language English, German, French, Italian, Spanish, Polish, Swedish, Danish, Norwegian, Finnish, Russian, Japanese, Korean, Dutch, Czech, Traditional Chinese, Simplified Chinese, Turkish, Hungarian, Romanian, Thai, Portuguese/Brazil, Greek English, German, French, Italian, Spanish, Polish, Swedish, Danish, Norwegian, Finnish, Russian, Japanese, Korean, Dutch, Czech, Traditional Chinese, Simplified Chinese, Turkish, Hungarian, Romanian, Thai, Portuguese/Brazil, Greek English, German, French, Italian, Spanish, Polish, Swedish, Danish, Norwegian, Finnish, Russian, Japanese, Korean, Dutch, Czech, Traditional Chinese, Simplified Chinese, Turkish, Hungarian, Romanian, Thai, Portuguese/Brazil, Greek English, German, French, Italian, Spanish, Polish, Swedish, Danish, Norwegian, Finnish, Russian, Japanese, Korean, Dutch, Czech, Traditional Chinese, Simplified Chinese, Turkish, Hungarian, Romanian, Thai, Portuguese/Brazil, Greek English, German, French, Italian, Spanish, Polish, Swedish, Danish, Norwegian, Finnish, Russian, Japanese, Korean, Dutch, Czech, Traditional Chinese, Simplified Chinese, Turkish, Hungarian, Romanian, Thai, Portuguese/Brazil, Greek English, German, French, Italian, Spanish, Polish, Swedish, Danish, Norwegian, Finnish, Russian, Japanese, Korean, Dutch, Czech, Traditional Chinese, Simplified Chinese, Turkish, Hungarian, Romanian, Thai, Portuguese/Brazil, Greek

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