10 Best Nas Devices 2026 in the United States
#1
Winner
BUFFALO TeraStation 5820DN 8-Bay Business Desktop NAS 80TB (4x20TB) with Hard Drives Included RAID iSCSI Network Storage File Server
The BUFFALO TeraStation 5820DN is a strong choice for businesses needing reliable, large-scale data storage. It comes with 8 bays and 4 pre-installed 20TB hard drives, offering a total of 80TB raw space. With RAID 5 configured by default, you get around 54TB usable storage that balances speed and protection, and you can switch to RAID 6 for even better redundancy or RAID 0 for maximum capacity without protection. The device includes built-in 256-bit encryption and two-factor authentication, making it a secure option for sensitive data. It supports snapshot backups that help you recover files quickly without interrupting work, which is handy against ransomware threats.
Rating
10.0
Chosen by1,408
Number of Bays
Software and Features
Most important from
4 reviews
#2
QNAP TVS-h874-i5-32G-US 8 Bay High-Speed Desktop NAS with M.2 PCIe Slots, 12th Gen Intel Core CPU, up to 64GB DDR4 RAM, 2.5 GbE Networking and PCIe Gen 4 expandability (Diskless)
The QNAP TVS-h874-i5-32G-US is an impressive NAS device designed for high-speed desktop use. It offers excellent storage capacity with 8 bays, allowing users to store significant amounts of data. The device is powered by a robust 12th Gen Intel Core i5 processor and comes with 32GB of DDR4 RAM, which can be expanded up to 64GB, ensuring smooth and efficient performance for demanding tasks. Its dual M.2 PCIe Gen4x4 NVMe SSD slots provide cache acceleration or SSD storage pools, further enhancing performance.
Rating
9.7
Number of Bays
Processor and RAM
Connectivity
Most important from
22 reviews
#3
TERRAMASTER T12-500 Pro NAS Storage - 12Bay Core i7 1255U 10-Cores 12-Threads CPU, 16GB DDR5 RAM, Dual 10GbE Ports, Network Attached Storage Peak Performance for Business (Diskless)
The TERRAMASTER T12-500 Pro NAS is a powerful storage device designed for small to medium businesses that need fast, flexible, and reliable data management. It offers 12 bays, supporting up to nine 3.5-inch SATA hard drives, allowing a massive storage capacity up to around 288TB if you use large drives. The Core i7-1255U processor with 10 cores, paired with 16GB of DDR5 RAM, provides excellent speed and multitasking capability, which is not common in many NAS devices. This makes it suitable for demanding tasks like video editing, virtual environments, and large-scale backups.
Rating
9.1
Processor and RAM
Connectivity
Number of Bays
Most important from
3 reviews
Top 10 Best Nas Devices 2026 in the United States
#1
Winner
BUFFALO TeraStation 5820DN 8-Bay Business Desktop NAS 80TB (4x20TB) with Hard Drives Included RAID iSCSI Network Storage File Server
BUFFALO TeraStation 5820DN 8-Bay Business Desktop NAS 80TB (4x20TB) with Hard Drives Included RAID iSCSI Network Storage File Server
Storage Capacity: 80 TB raw, 54 TB usable
Number of Bays: 8
RAID Support: RAID 0, 5, 6
Connectivity: Native 10GbE, Ethernet
Software and Features: 256-bit encryption, 2FA, snapshots
Chosen by 1408 this week
QNAP TVS-h874-i5-32G-US 8 Bay High-Speed Desktop NAS with M.2 PCIe Slots, 12th Gen Intel Core CPU, up to 64GB DDR4 RAM, 2.5 GbE Networking and PCIe Gen 4 expandability (Diskless)
QNAP TVS-h874-i5-32G-US 8 Bay High-Speed Desktop NAS with M.2 PCIe Slots, 12th Gen Intel Core CPU, up to 64GB DDR4 RAM, 2.5 GbE Networking and PCIe Gen 4 expandability (Diskless)
Storage Capacity: 4 TB
Number of Bays: 8
Processor and RAM: 12th Gen Intel Core i5, 32GB RAM
Connectivity: Dual 2.5GbE, USB 3.2, HDMI
Software and Features: 4K playback, transcoding, backup, restore
TERRAMASTER T12-500 Pro NAS Storage - 12Bay Core i7 1255U 10-Cores 12-Threads CPU, 16GB DDR5 RAM, Dual 10GbE Ports, Network Attached Storage Peak Performance for Business (Diskless)
TERRAMASTER T12-500 Pro NAS Storage - 12Bay Core i7 1255U 10-Cores 12-Threads CPU, 16GB DDR5 RAM, Dual 10GbE Ports, Network Attached Storage Peak Performance for Business (Diskless)
Storage Capacity: up to 288TB
Number of Bays: 12 bays
Processor and RAM: Core i7-1255U, 10 cores, 16GB RAM
RAID Support: 0, 1, 5, 6, 10
Connectivity: Dual 10 Gigabit Ethernet ports
Software and Features: backup, cloud sync, ransomware protection
Asustor Lockerstor 10 Gen3 AS6810T 10 Bay NAS, AMD Ryzen Quad-Core 2.3 GHz, 16GB RAM ECC DDR5, 4 M.2 NVMe Slots, Dual 5GbE and Dual 10GbE Port, USB 4.0 Type-C, Network Attached Storage (Diskless)
Asustor Lockerstor 10 Gen3 AS6810T 10 Bay NAS, AMD Ryzen Quad-Core 2.3 GHz, 16GB RAM ECC DDR5, 4 M.2 NVMe Slots, Dual 5GbE and Dual 10GbE Port, USB 4.0 Type-C, Network Attached Storage (Diskless)
Number of Bays: 10-bay
Processor and RAM: AMD Ryzen quad-core, 16GB DDR5 RAM
RAID Support: flexible RAID setups
Connectivity: 2x 10GbE, 2x 5GbE, USB4, USB 3.2
Software and Features: Wake on LAN/WAN
Synology DS1522+ 5-Bay DiskStation NAS (AMD Ryzen R1600 8GB Ram 4xRJ-45 1GbE LAN-Port) 5-Bay 20TB Bundle with 5x 4TB Seagate IronWolf
Synology DS1522+ 5-Bay DiskStation NAS (AMD Ryzen R1600 8GB Ram 4xRJ-45 1GbE LAN-Port) 5-Bay 20TB Bundle with 5x 4TB Seagate IronWolf
Storage Capacity: 20TB
Number of Bays: 5
Processor and RAM: AMD Ryzen R1600, 8GB RAM
RAID Support: Supports RAID
Connectivity: 4 Gigabit Ethernet ports
Software and Features: Private cloud, remote sync, security
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Up to 11% off
TERRAMASTER T9-500 Pro NAS Storage - 9Bay Core i7 1255U 10-Cores 12-Threads CPU, 16GB DDR5, Dual 10GbE Ports, Network Attached Storage Peak Performance for Business (Diskless)
TERRAMASTER T9-500 Pro NAS Storage - 9Bay Core i7 1255U 10-Cores 12-Threads CPU, 16GB DDR5, Dual 10GbE Ports, Network Attached Storage Peak Performance for Business (Diskless)
Storage Capacity: up to 198TB
Number of Bays: 9
Processor and RAM: Intel Core i7, 16GB DDR5
RAID Support: multiple RAID configurations
Connectivity: dual 10 Gigabit Ethernet ports
Software and Features: backup, cloud sync, ransomware protection
Asustor Lockerstor 8 Gen3 AS6808T 8 Bay NAS Network Storage, AMD Ryzen Quad-Core 2.3 GHz, 16GB RAM ECC DDR5, 4 M.2 NVMe Slots, Dual 5GbE & Dual 10GbE Port, USB4 Type-C, Network Attached Storage
Asustor Lockerstor 8 Gen3 AS6808T 8 Bay NAS Network Storage, AMD Ryzen Quad-Core 2.3 GHz, 16GB RAM ECC DDR5, 4 M.2 NVMe Slots, Dual 5GbE & Dual 10GbE Port, USB4 Type-C, Network Attached Storage
Storage Capacity: 8 bays plus 4 M.2 slots
Number of Bays: 8 Bay
Processor and RAM: AMD Ryzen quad-core, 16GB ECC RAM
Connectivity: dual 10GbE, dual 5GbE, USB4-C
Software and Features: Wake on LAN/WAN
Asustor Lockerstor 6 Gen3 AS6806T 6 Bay NAS, AMD Ryzen Quad-Core 2.3GHz, 16GB ECC DDR5, 4 M.2 NVMe Slots, Dual 5GbE and 10GbE, Network Attached Storage for Video & Content Creator (Diskless)
Asustor Lockerstor 6 Gen3 AS6806T 6 Bay NAS, AMD Ryzen Quad-Core 2.3GHz, 16GB ECC DDR5, 4 M.2 NVMe Slots, Dual 5GbE and 10GbE, Network Attached Storage for Video & Content Creator (Diskless)
Number of Bays: 6
Processor and RAM: quad-core AMD Ryzen, 16GB DDR5
RAID Support: advanced RAID setups
Connectivity: two 10GbE, two 5GbE, USB ports
Software and Features: robust software, Wake on LAN/WAN
Synology DS923+ 4-Bay Diskstation NAS (AMD Ryzen™ 4 Threads R1600 Dual-Core 4GB Ram 2xRJ-45 1GbE LAN-Port)
Synology DS923+ 4-Bay Diskstation NAS (AMD Ryzen™ 4 Threads R1600 Dual-Core 4GB Ram 2xRJ-45 1GbE LAN-Port)
Storage Capacity: up to 50 TB
Number of Bays: 4 bays
Processor and RAM: dual-core AMD Ryzen R1600, 4GB RAM
RAID Support: supports RAID
Connectivity: two 1GbE LAN, dual NVMe slots
Software and Features: Synology DSM for files, backups
#10
QNAP TS-873A-8G 8 Bay High-Performance NAS with 2 x 2.5GbE Ports and Two PCIe Gen3 Slots
QNAP TS-873A-8G 8 Bay High-Performance NAS with 2 x 2.5GbE Ports and Two PCIe Gen3 Slots
Number of Bays: 8
Processor and RAM: AMD Ryzen V1500B quad-core, 8GB RAM
RAID Support: RAID configurations
Connectivity: Dual 2.5GbE Ethernet, USB, PCIe slots
Software and Features: Runs QTS and QuTS hero OS
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Buying Guide for the Best Nas Devices
When choosing a NAS (Network Attached Storage) device, it's important to consider your specific needs and how you plan to use the device. NAS devices are used for storing and sharing data across a network, making them ideal for both personal and business use. They can serve as a central hub for your files, backups, and media, accessible from multiple devices. To make an informed decision, you should understand the key specifications and how they align with your requirements.Storage CapacityStorage capacity refers to the total amount of data that the NAS device can hold. This is important because it determines how much data you can store and share. Storage capacity is usually measured in terabytes (TB). If you have a large amount of data, such as high-resolution videos or extensive backups, you will need a NAS with higher storage capacity. For personal use, 2-4 TB might be sufficient, while small businesses might need 8-16 TB or more. Consider your current data needs and future growth when choosing the storage capacity.
Number of BaysThe number of bays in a NAS device indicates how many hard drives it can accommodate. This is important because it affects the total storage capacity and the ability to configure RAID (Redundant Array of Independent Disks) for data redundancy and performance. NAS devices typically come with 1 to 8 bays. For basic home use, a 1-2 bay NAS might be enough. For more advanced users or small businesses, a 4-8 bay NAS allows for greater storage capacity and more RAID options. Choose the number of bays based on your storage needs and desired level of data protection.
Processor and RAMThe processor and RAM in a NAS device determine its performance and ability to handle multiple tasks simultaneously. A more powerful processor and higher RAM are important for tasks such as media streaming, running applications, and handling multiple users. Entry-level NAS devices may have a basic processor and 1-2 GB of RAM, suitable for simple file storage and sharing. For more demanding tasks, look for a NAS with a multi-core processor and 4-8 GB of RAM or more. Consider the types of tasks you will be performing and the number of users accessing the NAS when choosing the processor and RAM.
RAID SupportRAID (Redundant Array of Independent Disks) is a technology that combines multiple hard drives into a single unit to improve performance and provide data redundancy. RAID support is important for data protection and reliability. Common RAID levels include RAID 0 (striping), RAID 1 (mirroring), RAID 5 (striping with parity), and RAID 6 (double parity). For personal use, RAID 1 or RAID 5 might be sufficient to protect against data loss. For business use, RAID 5 or RAID 6 offers better data protection and performance. Choose a NAS with RAID support that matches your need for data redundancy and performance.
ConnectivityConnectivity options on a NAS device determine how it can be accessed and integrated into your network. Important connectivity features include Ethernet ports, USB ports, and sometimes Wi-Fi. Ethernet ports are essential for connecting the NAS to your network, with Gigabit Ethernet being the standard for fast data transfer. USB ports allow for connecting external drives and other peripherals. Some NAS devices also offer Wi-Fi connectivity for wireless access. Consider your network setup and how you plan to access the NAS when evaluating connectivity options.
Software and FeaturesThe software and features provided by a NAS device can greatly enhance its functionality. This includes the operating system, user interface, and additional applications for tasks such as media streaming, file synchronization, and backup. A user-friendly interface and robust software ecosystem are important for ease of use and maximizing the NAS's capabilities. Look for features such as remote access, mobile apps, and integration with cloud services. Consider what additional features you need and how they will benefit your use case when choosing a NAS device.
Power ConsumptionPower consumption refers to the amount of electricity the NAS device uses. This is important for both cost and environmental considerations, especially if the NAS will be running 24/7. NAS devices with more powerful processors and multiple hard drives typically consume more power. Look for energy-efficient models that offer features such as scheduled power on/off and hard drive hibernation. Consider the power consumption in relation to your usage patterns and the potential impact on your electricity bill.