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10 Best Nas Servers 2025 in the United States
#1
Winner
BUFFALO TeraStation 5820DN 8-Bay Business Desktop NAS 160TB (8x20TB) with Hard Drives Included RAID iSCSI Network Storage File Server
The BUFFALO TeraStation 5820DN is a solid choice for businesses needing a large and reliable network storage solution. It comes with 8 bays, each preloaded with 20TB NAS-grade hard drives, giving you a massive raw capacity of 160TB. Configured in RAID 6 out of the box, it offers about 120TB of usable space with good data protection, which is ideal for critical business data. The device supports RAID configurations, allowing flexibility depending on your needs for speed or redundancy.
Rating
10.0
Chosen by1,246
Number of Bays
Software and Features
Most important from
3 reviews
#2
NETGEAR ReadyNAS RN526XE4 6 Bay 24TB Enterprise Premium Performance NAS, 60TB Capacity Network Attached Storage, Intel 2.2GHz Dual Core Processor, 4GB RAM
The NETGEAR ReadyNAS RN526XE4 is a robust NAS server designed for professionals and businesses that require substantial storage and high performance. With a 24TB capacity and the potential to expand up to 60TB, it caters well to creative professionals, architects, and any businesses handling large files. One of the standout features is its 10G connectivity, allowing for exceptionally fast data transfer speeds, which is ideal for environments with high data demands. The Intel dual-core processor combined with 4GB of RAM ensures smooth operation and improved application processing, making it suitable for multitasking needs.
Rating
10.0
Software and Features
Most important from
23 reviews
#3
WD My Cloud 24TB EX2 Ultra 2-Bay NAS
The WD My Cloud 24TB EX2 Ultra is a solid choice for a centralized storage solution primarily suited for home or small office use. It offers a large storage capacity of 24TB across two bays, allowing you to install two drives with RAID options for data protection and improved performance. The 1.3 GHz dual-core processor paired with 1GB of DDR3 memory helps reduce lag during streaming and multitasking, which is beneficial for media sharing and file backups.
Rating
9.8
Storage Capacity
Processor and RAM
RAID Support
Most important from
8790 reviews
Top 10 Best Nas Servers 2025 in the United States
#1
Winner
BUFFALO TeraStation 5820DN 8-Bay Business Desktop NAS 160TB (8x20TB) with Hard Drives Included RAID iSCSI Network Storage File Server
BUFFALO TeraStation 5820DN 8-Bay Business Desktop NAS 160TB (8x20TB) with Hard Drives Included RAID iSCSI Network Storage File Server
Storage Capacity: 160 TB
Number of Bays: 8
RAID Support: RAID 6 default, RAID 0 optional
Connectivity: 10GbE Ethernet
Software and Features: 256-bit encryption, 2FA, snapshots, cloud
Chosen by 1246 this week
NETGEAR ReadyNAS RN526XE4 6 Bay 24TB Enterprise Premium Performance NAS, 60TB Capacity Network Attached Storage, Intel 2.2GHz Dual Core Processor, 4GB RAM
NETGEAR ReadyNAS RN526XE4 6 Bay 24TB Enterprise Premium Performance NAS, 60TB Capacity Network Attached Storage, Intel 2.2GHz Dual Core Processor, 4GB RAM
Storage Capacity: 24TB
Processor and RAM: Intel dual-core, 4GB RAM
Connectivity: 10G, Wi-Fi
Software and Features: ReadyNAS OS 6, cloud backups, ransomware protection
WD My Cloud 24TB EX2 Ultra 2-Bay NAS
WD My Cloud 24TB EX2 Ultra 2-Bay NAS
Storage Capacity: 24TB
Number of Bays: two
Processor and RAM: 1.3 GHz dual-core, 1GB RAM
RAID Support: RAID options
Connectivity: USB 3.0
Software and Features: file sync, sharing, remote access
QNAP TVS-h1288X-W1250-16G High-speed media NAS with Intel® Xeon® W-1250 CPU and Two 10GbE Ports
QNAP TVS-h1288X-W1250-16G High-speed media NAS with Intel® Xeon® W-1250 CPU and Two 10GbE Ports
Storage Capacity: 12 bays
Number of Bays: 12
Processor and RAM: Intel Xeon W-1250, 16GB ECC RAM
RAID Support: Yes
Connectivity: Two 10GbE, 2.5GbE, USB, HDMI
Synology DiskStation DS1621+ NAS Server for Business with Ryzen CPU, 16GB Memory, 1TB M.2 SSD, 12TB HDD, DSM Operating System, iSCSI Target Ready
Synology DiskStation DS1621+ NAS Server for Business with Ryzen CPU, 16GB Memory, 1TB M.2 SSD, 12TB HDD, DSM Operating System, iSCSI Target Ready
Storage Capacity: 1TB SSD, 12TB HDD
Processor and RAM: Ryzen V1500B, 16GB DDR4
Connectivity: 4 RJ-45, USB 3.2, eSATA
Software and Features: iSCSI, Cache, VM Manager, AES 256-bit
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BUFFALO TeraStation 3420RN 4-Bay SMB 16TB (4x4TB) Rackmount NAS w/Hard Drives Included Network Attached Storage
BUFFALO TeraStation 3420RN 4-Bay SMB 16TB (4x4TB) Rackmount NAS w/Hard Drives Included Network Attached Storage
Storage Capacity: 16 TB
Number of Bays: 4
RAID Support: RAID 5, 6, 0
Connectivity: 2.5GbE Ethernet
Software and Features: iSCSI, 256-bit encryption, cloud
BUFFALO TeraStation 3420RN 4-Bay SMB 64TB (4x16TB) Rackmount NAS w/Hard Drives Included Network Attached Storage
BUFFALO TeraStation 3420RN 4-Bay SMB 64TB (4x16TB) Rackmount NAS w/Hard Drives Included Network Attached Storage
Storage Capacity: 64 TB
Number of Bays: 4
RAID Support: RAID 0, 1, 5, 6
Connectivity: 2.5GbE port
Software and Features: iSCSI, 256-bit encryption, cloud integration
Synology DiskStation DS923+ NAS Server with Ryzen 2.6GHz CPU, 32GB Memory, 4TB SSD Storage, 1TB M.2 NVMe SSD, 2 x 1GbE LAN Ports, DSM Operating System
Synology DiskStation DS923+ NAS Server with Ryzen 2.6GHz CPU, 32GB Memory, 4TB SSD Storage, 1TB M.2 NVMe SSD, 2 x 1GbE LAN Ports, DSM Operating System
Storage Capacity: 4TB SATA + 2x 500GB NVMe
Number of Bays: 4
Processor and RAM: Ryzen 2-core 2.6GHz, 32GB ECC
RAID Support: Supported
Connectivity: Two 1GbE LAN, link aggregation
Software and Features: Synology DSM OS, backup, multimedia
Power Consumption and Noise: Quiet design
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: Intel Core i5, 32GB RAM
Connectivity: Dual 2.5GbE, USB 3.2 Gen 2
Software and Features: 4K playback, transcoding, cloud backup
#10
BUFFALO TeraStation 5420DN 4-Bay Business Desktop NAS 40TB (2x20TB) with Hard Drives Included RAID iSCSI Network Storage File Server
BUFFALO TeraStation 5420DN 4-Bay Business Desktop NAS 40TB (2x20TB) with Hard Drives Included RAID iSCSI Network Storage File Server
Storage Capacity: 40 TB
Number of Bays: 4
RAID Support: RAID 1, 6, 0
Connectivity: Ethernet, 10GbE port
Software and Features: 256-bit encryption, 2FA, backups, cloud sync
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Buying Guide for the Best Nas Servers
When choosing a NAS (Network Attached Storage) server, it's important to consider your specific needs and how you plan to use the device. NAS servers 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, and can also provide additional functionalities like remote access and data redundancy. 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 server can hold. This is important because it determines how much data you can store and share. Storage capacity is usually measured in terabytes (TB). For personal use, a NAS with 2-4 TB might be sufficient, while small businesses might need 8-16 TB or more. If you plan to store large files like videos or run multiple backups, opt for higher capacity. Always consider future growth and choose a NAS that allows for easy expansion.
Number of BaysThe number of bays in a NAS server indicates how many hard drives it can accommodate. This is crucial for both storage capacity and data redundancy. A NAS with more bays allows for greater storage and the ability to use RAID configurations for data protection. For home use, 2-4 bays are typically enough, while businesses might require 4-8 bays or more. If you need high storage capacity and robust data protection, choose a NAS with more bays.
Processor and RAMThe processor and RAM in a NAS server determine its performance and ability to handle multiple tasks simultaneously. A more powerful processor and higher RAM are important for running applications, streaming media, and managing large amounts of data. For basic file storage and sharing, a dual-core processor and 2-4 GB of RAM might suffice. For more demanding tasks like virtualization, media transcoding, or running multiple applications, look for a NAS with a quad-core processor and 8 GB or more of RAM.
RAID SupportRAID (Redundant Array of Independent Disks) support is a feature that allows you to combine multiple hard drives into a single unit for data redundancy and performance improvement. This is important for protecting your data against drive failures. Common RAID levels include RAID 0, 1, 5, 6, and 10, each offering different balances of performance, redundancy, and storage efficiency. For personal use, RAID 1 or 5 might be sufficient, while businesses might prefer RAID 5, 6, or 10 for better data protection and performance.
ConnectivityConnectivity options on a NAS server determine how it can be accessed and integrated into your network. This includes Ethernet ports, USB ports, and sometimes Wi-Fi. Gigabit Ethernet is standard, but for faster data transfer, look for NAS servers with multiple Gigabit ports or 10 Gigabit Ethernet. USB ports are useful for connecting external drives or printers. If you need high-speed access and plan to connect multiple devices, ensure the NAS has sufficient and fast connectivity options.
Software and FeaturesThe software and features provided by the NAS server's operating system can greatly enhance its functionality. This includes user-friendly interfaces, mobile apps, remote access, backup solutions, and support for various applications like media servers, virtual machines, and cloud integration. Consider what features are important for your use case. For example, if you need to access files remotely, look for robust remote access features. If you plan to use the NAS for media streaming, ensure it supports popular media server applications.
Power Consumption and NoisePower consumption and noise levels are important considerations, especially if the NAS server will be running continuously or placed in a quiet environment. Lower power consumption can save on energy costs, and quieter operation is less disruptive. Check the power consumption ratings and noise levels provided by the manufacturer. For home use, look for energy-efficient models with low noise levels. For business environments, balance power efficiency with performance needs.