TS-231K, TS-231P3, TS-230, TS-251+ Compare products

	TS-231K TS-231K TS-231K	TS-231P3 TS-231P3-4G TS-231P3-4G TS-231P3-2G	TS-230 TS-230 TS-230	TS-251+ TS-251+-2G TS-251+-2G TS-251+-8G

System Specification


CPU
CPU	AnnapurnaLabs, an Amazon company Alpine AL214, 4-core, 1.7GHz	AnnapurnaLabs, an Amazon company Alpine AL314, 4-core, 1.7GHz AnnapurnaLabs, an Amazon company Alpine AL314, 4-core, 1.7GHz	Realtek RTD1296 4-core 1.4GHz processor	Intel® Celeron® J1900 4-core/4-thread processor, burst up to 2.42 GHz Intel® Celeron® J1900 4-core/4-thread processor, burst up to 2.42 GHz
CPU Architecture
CPU Architecture	32-bit ARM	32-bit ARM 32-bit ARM	64-bit ARM	64-bit x86 64-bit x86
Graphic Processors
Graphic Processors			Mali-G52	Intel® HD Graphics Intel® HD Graphics
Floating Point Unit
Floating Point Unit
Encryption Engine
Encryption Engine
Hardware-accelerated Transcoding
Hardware-accelerated Transcoding
System Memory
System Memory	1GB DDR3	4GB SODIMM DDR3 2GB SODIMM DDR3	2 GB DDR4, not expandable ¹	2 GB SODIMM DDR3L 8 GB SODIMM DDR3L
Maximum Memory
Maximum Memory	1GB DDR3	8GB DDR3 8GB DDR3	2 GB DDR4, not expandable	8 GB (2 x 4GB) 8 GB (2 x 4GB)
Memory Slot
Memory Slot		1 x SODIMM DDR3 1 x SODIMM DDR3		2 x SODIMM DDR3L ² 2 x SODIMM DDR3L ²
Flash Memory
Flash Memory	512 MB (Dual boot OS protection)	512 MB (Dual boot OS protection) 512 MB (Dual boot OS protection)	4 GB (Dual boot OS protection)	512MB (Dual boot OS protection) 512MB (Dual boot OS protection)
Drive Bay
Drive Bay	2 x 3.5-inch SATA 6Gb/s, 3Gb/s	2 x 3.5-inch SATA 6Gb/s, 3Gb/s 2 x 3.5-inch SATA 6Gb/s, 3Gb/s	2 x 3.5-inch SATA 6Gb/s, 3Gb/s	2 x 3.5-inch SATA 6Gb/s, 3Gb/s ³ 2 x 3.5-inch SATA 6Gb/s, 3Gb/s ³
Drive Compatibility
Drive Compatibility	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 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 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
SSD Cache Acceleration Support
SSD Cache Acceleration Support

Connections


Gigabit Ethernet Port (RJ45)
Gigabit Ethernet Port (RJ45)	2	1 1	1	2 2
2.5 Gigabit Ethernet Port (2.5G/1G/100M)
2.5 Gigabit Ethernet Port (2.5G/1G/100M)		1(2.5G/1G/100M) 1(2.5G/1G/100M)
Jumbo Frame
Jumbo Frame
USB 2.0 port
USB 2.0 port			1	2 2
USB 3.2 Gen 1 port
USB 3.2 Gen 1 port	2	3 3	2	2 2
IR Sensor
IR Sensor				(RM-IR002 & MCE) (RM-IR002 & MCE)
HDMI™ Output
HDMI™ Output				1, (up to 1080p) 1, (up to 1080p)

Appearance


Form Factor
Form Factor	Tower	Tower Tower	Tower	Tower Tower
LED Indicators
LED Indicators	Power, Status, LAN, USB, HDD1-2	Power, Status, LAN, USB, HDD1-2 Power, Status, LAN, USB, HDD1-2	System Status, LAN, USB, HDD1~2	Power/Status, LAN, USB, HDD1-2 Power/Status, LAN, USB, HDD1-2
Buttons
Buttons	Power, Reset, USB Auto Copy	Power, Reset, USB Auto Copy Power, Reset, USB Auto Copy	Power, Reset, USB Copy	Power, Reset, USB Auto Copy Power, Reset, USB Auto Copy
Dimensions (HxWxD)
Dimensions (HxWxD)	165 × 102 × 220.6 mm	165 × 102 × 220.6 mm 165 × 102 × 220.6 mm	188.64 × 90.18 × 156.26 mm	168.5 × 102 × 225 mm 168.5 × 102 × 225 mm
Weight (Net)
Weight (Net)	1.46 kg	1.46 kg 1.46 kg	1.98 kg	1.28 kg 1.28 kg
Weight (Gross)
Weight (Gross)	2.49 kg	2.46 kg 2.46 kg	2.01 kg	2.32 kg 2.32 kg

Others


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	60W/65W adapter (12VDC), 100-240VAC	60W/65W adapter (12VDC), 100-240VAC 60W/65W adapter (12VDC), 100-240VAC	65W Adapter, AC 100-240V	60W/65W adapter (12VDC), 100-240VAC 60W/65W adapter (12VDC), 100-240VAC
Power Consumption: Disk Standby Mode
Power Consumption: Disk Standby Mode	8.46 W	8.46 W 8.46 W	4.48 W	10.56 W 10.56 W
Power Consumption: Operating Mode, Typical
Power Consumption: Operating Mode, Typical	15.6 W ⁴	15.6 W ⁴ 15.6 W ⁴	12.277 W ⁴	18.09 W 18.09 W
Fan
Fan	1 x 7 cm smart fan (12V DC)	1 x70mm, 12VDC 1 x70mm, 12VDC	1 x 80mm, 12VDC	1 x 70mm, 12VDC 1 x 70mm, 12VDC
System Warning
System Warning	Buzzer	Buzzer Buzzer	Buzzer	Buzzer Buzzer
Kensington Security Slot
Kensington Security Slot
Standard Warranty
Standard Warranty	2	2 2	2	2 2

Networking


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

Encryption


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 Protection


Snapshot
Snapshot	(32)	(256) (max 256 w/ 4 GB RAM)	(max 64)	(max 256) (max 256)

Storage Management


RAID Recovery
RAID Recovery
Online RAID Capacity Expansion
Online RAID Capacity Expansion
Online RAID Level Migration
Online RAID Level Migration
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

Virtualization


Container Station
Container Station
Virtualization Station
Virtualization Station				(RAM of NAS >= 2 GB)
Linux Station (RAM of NAS >= 4GB)
Linux Station (RAM of NAS >= 4GB)

Privilege


Domain Controller
Domain Controller

Software Application


Wake on LAN (WOL)
Wake on LAN (WOL)		⁵ ⁵

Sharing Capacity


Max. Number of Users
Max. Number of Users	4096	4096 4096	600	4096 4096
Max. Number of User Groups
Max. Number of User Groups	512	512 512	128	512 512
Max. Number of Share Folders
Max. Number of Share Folders	512	512 512	256	512 512
Max. Number of Concurrent Connections (CIFS) - with Max. Memory
Max. Number of Concurrent Connections (CIFS) - with Max. Memory	400	400 400	200	1500 1500

Supported Languages


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