Best 2 Tb Nas Devices in 2026

Up to 736/796 MB/s sequential read/write throughput makes file operations quick and efficient

Leverage built-in file and photo management, data protection, virtualization, and surveillance solutions

Four 1GbE ports for simple integration into existing environments with optional 10GbE connectivity to tackle more specialized, bandwidth-heavy applications

8-bay NAS: The Synology DS1821+ is an 8-bay NAS, which means it can accommodate up to 8 hard drives or SSDs. This makes it a great option for businesses or individuals who need a lot of storage space.

AMD Ryzen CPU: The DS1821+ is powered by an AMD Ryzen quad-core processor, which provides excellent performance for a variety of tasks, including file sharing, virtualization, and multimedia streaming.

Dual M.2 NVMe slots: The DS1821+ has two M.2 NVMe slots, which can be used to add SSD cache for improved performance.

What's in the box: Synology DiskStation DS418 4-Bay NAS Enclosure | Accessory Pack| AC Power Adapter | AC Power Cord | 2x RJ-45 LAN Cable | Quick Installation Guide | Synology 2 Year Warranty

Capacity: 0TB - Enclosure

Tackle multi-user environments effortlessly with up to 2,315 MB/s read and 1,147 MB/s write performance

The RS1221+ and RS1221RP+ feature a short depth of just 298 mm and 399 mm respectively

Improve network performance by 5X with a PCIe SFP+ or RJ-45 network card from the compatibility list

Store, sync, and access data from any device, wherever you are with Synology’s private cloud solution.

Keep your data safe hardware and software engineered to protect your data — trusted by millions.

Store, sync, and access data from any device, wherever you are with Synology’s private cloud solution.

Btrfs: Next generation storage efficiency

Simplified backup solution for your Mac, PC, and mobile devices.

Seamless integration with your mobile devices

The First Synology j to Feature Dual Core CPU with Floating-Point Unit

The First Synology j to Feature USB 3.0

Only 8.5W in HDD Hibernation

Synology DiskStation DS718+, made for a variety of server roles such as backup, file storage, email servers, and domain controllers!

Intel Celeron J3455 Quad-Core 1.5GHz 2MB CPU; 6GB DDR3L Synology SDRAM; 4TB (2 x 2TB) 6Gb/s SATA 3.5 Inch HDDs for High Capacity Storage; 2 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support); 3 x USB 3.0 Port; 1 x eSATA Port

Features: Security Advisor, AES 256-bit Encryption, 2 Factor Authentication, Cloud Station Suite, 4K Multimedia Server role, Desktop Backup, Surveillance Station role, Collaboration Suite, and many more

Synology DiskStation DS620slim, made for a variety of server roles such as iSCSI targets backup, file storage, email servers, and domain controllers!

Intel Celeron J3355 Dual-Core 2.0GHz 2MB CPU, Up To 2.5GHz Turbo; 6GB DDR3L Synology SDRAM Memory; 12TB (6 x 2TB) 6Gb/s SATA 2.5 Inch HDDs for High Capacity Storage; 2 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support); 2 x USB 3.0 Port; Btrf File System for Advanced LUN iSCSI Service

Operating System: Synology DSM Software

Over 2,103/1,074 MB/s sequential read/write throughput supports stable data transfers

Scale up to 8 drives with one Synology RX418 Expansion Unit

Four 1GbE ports support network failover and load balancing, with optional 10/25GbE expansions available

Synology RackStation RS1219+ NAS with Rail Kit, made for a variety of server roles such as iSCSI targets backup, file storage, email servers, and domain controllers!

Intel Atom C2538 Quad-Core 2.4GHz 2MB CPU; 8GB DDR3 PC3-12800 1600MHz Memory; 32TB (8 x 4TB) 7.2K 6Gb/s SATA 3.5" HDDs for High Capacity Storage; 4 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support); 2 x USB 3.0 Port; 1 x eSATA Port, Btrf File System for Advanced LUN iSCSI Service

Operating System: Synology DSM Software

Synology DiskStation DS218play mini - compact yet powerful desktop NAS device designed to be an energy efficient, eco-friendly all-around storage solution for multimedia enthusiasts, home use and small businesses

Easy to use Synology DSM Operating System has a desktop-like layout and features 4K Multimedia Server Capabilities, Desktop and Mobile Device Backup, File Server and Management, Video Station, Audio Station, Photo Station, Easy File Access with QuickConnect

Ports: RJ-45 1GbE LAN Port; 2 x USB 3.0 Port; Memory: 1GB DDR4 Synology RAM; SSD Storage: 2TB (2 x 1TB) SATA III Solid State Drives for Ultra Fast Storage

Synology DiskStation DS1618+, made for a variety of server roles such as backup, file storage, email servers, and domain controllers!

Intel Atom C3538 Quad-Core 2.1GHz 8MB CPU; 16GB DDR4 PC4-19200 2400MHz Memory; SSD Storage: 2TB (2 x 1TB) Solid State Drives for Ultra Fast Storage; HDD Storage: 16TB (4 x 4TB) 6Gb/s SATA 3.5 Inch HDDs for High Capacity Storage; 4 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support); 3 x USB 3.0 Port; 2 x eSATA Port

Features: iSCSI Target Protocol, Security Advisor, AES 256-bit Encryption, 2 Factor Authentication, Cloud Station Suite, 4K Multimedia Server role, Active Backup for VMware and Windows, Synology Drive, Active Backup for Office 365 and G Suite, Surveillance Station role, Collaboration Suite, and many more

Synology DiskStation DS620slim, made for a variety of server roles such as iSCSI targets backup, file storage, email servers, and domain controllers!

Intel Celeron J3355 Dual-Core 2.0GHz 2MB CPU, Up To 2.5GHz Turbo; 6GB DDR3L Synology SDRAM Memory; 1TB (2 x 500GB) SATA III Solid State Drives for Ultra Fast Storage; 2 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support)

2 x USB 3.0 Port; Btrf File System for Advanced LUN iSCSI Service

Synology DiskStation DS723+ is made for a variety of server roles, such as home data backup, file syncing, and sharing. A high-capacity powerhouse capable of fitting into most any environment, making it easy to centralize all your multimedia collections with rigorous workloads.

Ryzen R1600 2-Core 2.6GHz CPU, Up To 3.1GHz Turbo; 32GB DDR4 ECC SODIMM Memory; 4TB (2 x 2TB) SATA 2.5" SSDs for Ultra-Fast Storage; 2 x RJ-45 1GbE LAN Ports (with Link Aggregation / Failover support); 1 x USB 3.2 Port; 1 x eSATA Port; Btrfs File System for Advanced LUN iSCSI Service

Operating System: Synology DSM Software

Synology DiskStation DS1621xs+, made for a variety of server roles, such as iSCSI targets backup, file storage, email servers, and domain controllers. Powerful, high-capacity, scalable storage that fits in any environment. A powerhouse capable of fitting into small and medium business environments with intensive, multi-user workloads.

Xeon D-1527 4-Core 2.2GHz CPU, Up To 2.7GHz Turbo; 32GB DDR4 ECC SODIMM Memory; 24TB (6 x 4TB) SATA 2.5" SSDs for Ultra-Fast Storage; 1TB NVMe M.2, Internal Solid State Drive Storage; 2 x RJ-45 1GbE LAN Ports and 1 x RJ-45 10GbE LAN Port (with Link Aggregation / Failover support); 3 x USB 3.2 Ports; 2 x eSATA Ports; Btrfs File System for Advanced LUN iSCSI Service

Ideal for VM and container storage, lightning-fast file sharing, a network video recorder for substantial surveillance operations, and editing high-quality video, with powerful storage management, syncing, surveillance and backup software.

Synology DiskStation DS118 is made for a variety of server roles, such as home data backup, file syncing, and sharing. A high-capacity powerhouse capable of fitting into most any environment, making it easy to centralize all your multimedia collections with rigorous workloads.

RTD1296 Quad-Core 1.4GHz CPU; 1GB DDR4 non-ECC; 4TB (1 x 4TB) SATA 3.5" HDDs for High-Capacity Storage; 1 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support); 2 x USB 3.2 Ports

Features: File Sync Across All Devices via Cloud Station Suite, File Access and Sharing via QuickConnect, File Management and Sharing, 4K Multimedia Server Capabilities, Desktop Backup, Comprehensive Built-In Security Tools and more

Synology DiskStation DS920+, made for a variety of server roles, such as iSCSI targets backup, large file storage, email servers, and domain controllers. Powerful, high-capacity, scalable storage that fits in any environment. A powerhouse capable of fitting into small and medium business environments with intensive, multi-user workloads.

Celeron J4125 Quad-Core 2.0GHz CPU; 8GB DDR4 non-ECC Memory; M.2 Storage: 1TB (2 x 500GB) M.2 Solid State Drives for Ultra-Fast Storage; File Storage: 72TB (4 x 18TB) SATA 3.5" HDDs for High-Capacity Storage; 2 x RJ-45 1GbE LAN Ports (with Link Aggregation / Failover support); 2 x USB 3.2 Ports; 1 x eSATA Port

Features: Cache Acceleration (2 available M.2 SSD Slots), Virtual Machine Manager, Security Advisor, AES 256-bit Encryption, 2 Factor Authentication, Surveillance Station Suite, 4K Multimedia Server role, Desktop Backup, Hyper Backup, Snapshot Replication, Synology Drive, and many more

Synology DiskStation DS218 is made for a variety of server roles, such as home data backup, file syncing, and sharing. A high-capacity powerhouse capable of fitting into most any environment, making it easy to centralize all your multimedia collections with rigorous workloads.

RTD1296 Quad-Core 1.4GHz CPU; 2GB DDR4 non-ECC; 2TB (2 x 1TB) SATA 2.5" SSDs for Ultra-Fast Storage; 1 x RJ-45 1GbE LAN Port (with Link Aggregation / Failover support); 2 x USB 3.2 Ports; 1 x USB 2.0 Port

Features: Security Advisor, Surveillance Station, Backup, Centralized Data Management, Ultra-Fast Data Transfer Speed, File Syncing and Sharing, Strong Application Support such as Multimedia Streaming, and Synology DSM Software Operating System

Synology DiskStation DS423+ is made for a variety of server roles, such as home data backup, file syncing, and sharing. A high-capacity powerhouse capable of fitting into most any environment, making it easy to centralize all your multimedia collections with rigorous workloads.

Celeron J4125 4-Core 2.0GHz CPU, Up To 2.7GHz Turbo; 6GB DDR4 non-ECC SODIMM Memory; 16TB (4 x 4TB) SATA 3.5" HDDs for High-Capacity Storage; 1TB (2 x 500GB) M.2 2280 NVMe SSD; 2 x RJ-45 1GbE LAN Ports (with Link Aggregation / Failover support); 2 x USB 3.2 Ports; Btrfs File System for Advanced LUN iSCSI Service

Operating System: Synology DSM Software

Synology DiskStation DS423+ is made for a variety of server roles, such as home data backup, file syncing, and sharing. A high-capacity powerhouse capable of fitting into most any environment, making it easy to centralize all your multimedia collections with rigorous workloads.

Celeron J4125 4-Core 2.0GHz CPU, Up To 2.7GHz Turbo; 6GB DDR4 non-ECC SODIMM Memory; 8TB (4 x 2TB) SATA 2.5" SSDs for Ultra-Fast Storage; 1TB (2 x 500GB) M.2 2280 NVMe SSD; 2 x RJ-45 1GbE LAN Ports (with Link Aggregation / Failover support); 3 x USB 3.2 Ports; Btrfs File System for Advanced LUN iSCSI Service

Operating System: Synology DSM Software

Synology DiskStation DS723+ is made for a variety of server roles, such as home data backup, file syncing, and sharing. A high-capacity powerhouse capable of fitting into most any environment, making it easy to centralize all your multimedia collections with rigorous workloads.

Ryzen R1600 2-Core 2.6GHz CPU, Up To 3.1GHz Turbo; 32GB DDR4 ECC SODIMM Memory; 8TB (2 x 4TB) SATA 3.5" HDDs for High-Capacity Storage; 1TB (2 x 500GB) M.2 2280 NVMe SSD; 2 x RJ-45 1GbE LAN Ports (with Link Aggregation / Failover support); 1 x USB 3.2 Port; 1 x eSATA Port; Btrfs File System for Advanced LUN iSCSI Service

Operating System: Synology DSM Software

Synology DiskStation DS1621+, made for a variety of server roles, such as iSCSI targets backup, large file storage, email servers, and domain controllers. Powerful, high-capacity, scalable storage that fits in any environment. A powerhouse capable of fitting into small and medium business environments with intensive, multi-user workloads.

Ryzen V1500B Quad-Core 2.2GHz CPU; 32GB DDR4 ECC SODIMM Memory; M.2 Storage: 1TB (2 x 500GB) M.2 Solid State Drives for Ultra-Fast Storage; File Storage: 108TB (6 x 18TB) SATA 3.5" HDDs for High-Capacity Storage; 4 x RJ-45 1GbE LAN Ports (with Link Aggregation / Failover support); 3 x USB 3.2 Ports; 2 x eSATA Ports

Features: iSCSI Target Protocol, Cache Acceleration, Virtual Machine Manager, Synology High Availability, Synology MailPlus, Central Management System, Security Advisor, AES 256-bit Encryption, 2 Factor Authentication, Cloud Station Suite, 4K Multimedia Server role, Active Backup for VMware and Windows, Synology Drive, Active Backup for Office 365 and G Suite, Surveillance Station role, Collaboration Suite, and many more

Synology DiskStation DS1821+, made for a variety of server roles, such as iSCSI targets backup, large file storage, email servers, and domain controllers. Powerful, high-capacity, scalable storage that fits in any environment. A powerhouse capable of fitting into small and medium business environments with intensive, multi-user workloads.

Ryzen V1500B Quad-Core 2.2GHz CPU; 32GB DDR4 ECC SODIMM Memory; M.2 Storage: 1TB (2 x 500GB) M.2 Solid State Drives for Ultra-Fast Storage; File Storage: 128TB (8 x 16TB) SATA 3.5" HDDs for High-Capacity Storage; 4 x RJ-45 1GbE LAN Ports (with Link Aggregation / Failover support); 4 x USB 3.2 Ports; 2 x eSATA Ports

Features: iSCSI Target Protocol, Cache Acceleration, Virtual Machine Manager, Synology High Availability, Synology MailPlus, Central Management System, Security Advisor, AES 256-bit Encryption, 2 Factor Authentication, Cloud Station Suite, 4K Multimedia Server role, Active Backup for VMware and Windows, Synology Drive, Active Backup for Office 365 and G Suite, Surveillance Station role, Collaboration Suite, and many more

Synology DiskStation DS1520+, made for a variety of server roles, such as iSCSI targets backup, large file storage, email servers, and domain controllers. Powerful, high-capacity, scalable storage that fits in any environment. A powerhouse capable of fitting into small and medium business environments with intensive, multi-user workloads.

Celeron J4125 Quad-Core 2.0GHz CPU; 8GB DDR4 non-ECC Memory; M.2 Storage: 1TB (2 x 500GB) M.2 Solid State Drives for Ultra-Fast Storage; File Storage: 90TB (5 x 18TB) SATA 3.5" HDDs for High-Capacity Storage; 4 x RJ-45 1GbE LAN Ports (with Link Aggregation / Failover support); 2 x USB 3.2 Ports; 2 x eSATA Ports

Features: Cache Acceleration, Virtual Machine Manager, Security Advisor, AES 256-bit Encryption, 2 Factor Authentication, Surveillance Station Suite, 4K Multimedia Server role, Desktop Backup, Hyper Backup, Snapshot Replication, Synology Drive, and many more

Synology DiskStation DS720+ is made for a variety of server roles, such as home data backup, file syncing, and sharing. A high-capacity powerhouse capable of fitting into most any environment, making it easy to centralize all your multimedia collections with rigorous workloads.

Celeron J4125 Quad-Core 2.0GHz CPU, Up to 2.7GHz Burst; 6GB DDR4 non-ECC Memory; M.2 Storage: 1TB (2 x 500GB) M.2 Solid State Drives for Ultra-Fast Storage; File Storage: 20TB (2 x 10TB) SATA 3.5" HDDs for High-Capacity Storage; 2 x RJ-45 1GbE LAN Ports (with Link Aggregation / Failover support); 2 x USB 3.2 Ports; 1 x eSATA Port

Features: Security Advisor, AES 256-bit Encryption, 2 Factor Authentication, Surveillance Station Suite, 4K Multimedia Server role, Desktop Backup, Hyper Backup, Snapshot Replication, Synology Drive, and many more

Synology DiskStation DS3622xs+, made for a variety of server roles, such as iSCSI targets backup, file storage, email servers, and domain controllers. Powerful, high-capacity, scalable storage that fits in any environment. A powerhouse capable of fitting into small and medium business environments with intensive, multi-user workloads.

Xeon D-1531 6-Core 2.2GHz CPU, Up To 2.7GHz Turbo; 48GB DDR4 ECC SODIMM Memory; 144TB (12 x 12TB) SATA 3.5" HDDs for High-Capacity Storage; 2 x RJ-45 1GbE LAN Ports and 2 x RJ-45 10GbE LAN Ports (with Link Aggregation / Failover support); 2 x USB 3.2 Ports; 2 x Expansion Ports; Btrfs File System for Advanced LUN iSCSI Service

Operating System: Synology DSM Software

Synology DiskStation DS2422+, made for a variety of server roles, such as iSCSI targets backup, large file storage, email servers, and domain controllers. Powerful, high-capacity, scalable storage that fits in any environment. A powerhouse capable of fitting into small and medium business environments with intensive, multi-user workloads.

Ryzen V1500B 4-Core 2.2GHz CPU; 32GB DDR4 ECC SODIMM Memory; 192TB (12 x 16TB) SATA 3.5" HDDs for High-Capacity Storage; 4 x RJ-45 1GbE LAN Ports (with Link Aggregation / Failover support); 2 x USB 3.2 Ports; 1 x Expansion Port; Btrfs File System for Advanced LUN iSCSI Service

Operating System: Synology DSM Software

Synology RackStation RS4021xs+ is a powerful, versatile, and scalable 16-Bay rackmount NAS designed for growing businesses; sliding rail kit is included for effortless server installation. A powerhouse capable of fitting into small and medium business environments with intensive, multi-user workloads.

Xeon D-1541 8-Core 2.1GHz CPU, Up To 2.7GHz Turbo; 64GB DDR4 ECC UDIMM Memory; 288TB (16 x 18TB) SATA 3.5" HDDs for High-Capacity Storage; 4 x RJ-45 1GbE LAN Ports and 2 x RJ-45 10GbE LAN Ports (both with Link Aggregation / Failover support); 2 x USB 3.2 Ports; 2 x Expansion Ports; Btrfs File System for Advanced LUN iSCSI Service

Provides solid and protected data security and lightning-fast performance. Supports large multi-user environments while handling data sensitive workloads.