9 Best Rackmount NAS in 2024

Affordable and high-quality rackmount NAS.

Finding the best rackmount NAS isn’t an easy task. Today, many users face the problem of running out of disk space or have to deal with hard drive crashes. Fortunately, the market is flooded with storage options that may greatly optimize the performance of your PC.

Earlier, only big enterprises could afford to buy the network attached storage. Today, small and middle-sized companies, as well as private houses, can get the best rackmount NAS. What’s more, there is a wide range of models available including those with price tags under $1000.

Max capacity: 64TB |CPU: Quad Core 2.1 GHz | RAM: 2GB | Brand: Synology

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Max capacity: 40TB |CPU: Dual core Intel CPU 2.0 GHz | RAM: 2GB | Brand: NETGEAR

The NETGEAR ReadyNAS 2304 is a 40TB prepopulated NAS. Its features make it ideal for small to medium businesses, and the device can handle the needs of teams of up to 40 people. Its 5-level data protection, ReadyDR disaster recovery, and virtualized storage for VMware and other virtual networks make it ideal for any business.

NETGEAR's ReadyNAS 2304 is a 4-bay network-attached storage solution that is designed for data backup, IP-based surveillance video management, recording, and storage in any business. Featuring the latest ReadyNAS OS 6.7, the ReadyNAS 2304 is equipped with features that ensure maximum security and reliability. Among the features are a cloud backup to Amazon S3, a 3D configuration tool, and future-proof Linux 4.4. It also has a wide range of business features.

Max capacity: 16TB |CPU: Realtek RTD1296 1.4GHz | RAM: 2GB | Brand: Synology

The Synology 4 bay RS819 rackmount NAS is ideal for both home and small business users. Two built-in, M.2 SATA SSDs in a redundant configuration provides the most efficient data storage capabilities available in a desktop NAS unit.

With built-in, eight-port AC adapter and powerful enterprise-level disk formatting tools, the RS819 can provide superior storage performance for your data storage needs.

Max capacity: 16TB |CPU: Quad-Core 1.4GHz | RAM: 1GB | Brand: BUFFALO

The BUFFALO TeraStation 3410RN rackmount NAS device offers enterprise-class features and reliability for mission-critical data storage needs. It is designed to deliver the maximum performance and standard data access rates in a compact design. With powerful hardware, flexible networking and state-of-the-art software - the TeraStation is built to work as a flexible, robust appliance that can meet your data storage needs with minimal maintenance and configuration effort.

Connectivity - The TeraStation's powerful Ethernet solutions provide fast connectivity with dedicated Low-Jacking technology. With an easy-to-install 10-core iSCSI NIC and iSCSI target area, fast speeds to transfer data from any computer to another with minimal configuration. The innovative iSCSI Clients features provides centralized discovery of iSCSI target servers and storage controllers, while supporting advanced protocols such as Fibre Channel (FC). The iSCSI Targeting for optimized performance allows the server to behave more like a dedicated firewall, blocking unauthorized access by using routing table entries (SRTP, RASP) with port-clients.

Max capacity: 56TB |CPU: Intel Xeon D-1527 2.4GHz | RAM: 8GB | Brand: Synology

Synology RS1619xs+ rackmount NAS come with several unique features that set it apart from other leading NAS devices in the market today. The primary advantage it has over its competitors is its flexibility and reliability. With Synology RS, data can be safely backed up to various remote locations even without human intervention. Aside from this, its powerful and easy to use admin panels allow users to perform multiple functions with just a few clicks of the mouse.

First on the list is the fact that it comes with powerful admin tools and software that allows you to perform multiple tasks with just a few simple mouse clicks. Users can easily manage multiple users in this NAS device since it comes with many slots for additional disk drives and partitions.

Max capacity: 40TB |CPU: Quad-Core 2.4GHz | RAM: 8GB | Brand: BUFFALO

The Buffalo TeraStation 51210RH 40TB is a high-performance and scalable Network Attached Storage (NAS) solution with twelve Enterprise-grade hard drives. It's ideal for large business files, graphics and video, and iSCSI virtualization targets. The RAID data protection and quad-core Annapurna processor make this unit perfect for businesses of all sizes. It is compatible with the Buffalo 10GbE series.

The Buffalo TeraStation 51210RH enables you to store large volumes of data in the cloud. It's built with Enterprise-grade hard drives and offers fast, reliable RAID performance. Its built-in 10GbE port allows it to connect to other 10GbE networks and speed up backup time. Its rail kit is included in the price of the unit, making it the ideal backup solution for small and medium-sized businesses.

Max capacity: 32TB |CPU: Intel Atom C3338 1.4GHz | RAM: 8GB | Brand: BUFFALO

The TeraStation WS5420RN is a reliable Network Attached Storage solution integrated with Windows Storage Server 2016 (NAS-grade hard drives included). This specialized operating system helps simple deployment and management of your growing storage demands as it integrates seamlessly with your existing Windows based environment.

The WS5420RN is an ideal solution for consolidating multiple file servers into a single solution that enables cost reduction and lowering of the overhead on your existing servers for other workloads.

Max capacity: 12TB |CPU: Alpine AL-314 Quad-Core 1.7 GHz | RAM: 2GB | Brand: QNAP

The main unique feature of the QNAP TS-431XeU-2G-US is that it can be classified as a NAS device or a virtual NAS appliance. This is because it is a low-cost device that is based on the very efficient Linux operating system. It is interesting that this low-cost device uses a very high quality Linux operating system with very good security features. So, it is not surprising that many people will find this unique feature attractive.

There are many reasons why one might choose to buy the QNAP TS-431XeU-2G-US instead of any other NAS device. As we said previously, it has many of the same features and functions as other NAS appliances, but it has the additional feature of being able to be classified as a virtual appliance.

Max capacity: 120TB |CPU: Quad-Core 2.4GHz | RAM: 8GB | Brand: BUFFALO

The Buffalo TeraStation 51210RH 120 TB NAS is a 12 drive rackmount NAS that features Enterprise-grade hard drives. The unit is great for storing large business files, video, and graphics, as well as supporting cloud integration. This NAS is equipped with RAID data protection and has a native 10GbE port. It also comes with 4 hard drives and has four GbE ports.

The NAS is built to be extremely durable. The NAS units are backed by a two-year warranty. You can count on a high level of reliability with this unit. Its Enterprise-grade hard drives are made to withstand the stress of continuous, always-on operation. This NAS is an excellent option for businesses that need storage to grow.

In brief, the more drives NAS features, the bigger storage capacity it can offer. We recommend getting a model with four or five bays, like the Synonology DS-1511. If it has 1TB or 2TB drives, you will have enough capacity for most needs. However, if it’s too much for you, you can purchase a two-bay unit. Besides, this option is more budget-friendly.

Most NAS units have more than one hard drive. Consequently, these two drives should effectively work together. There is a special standard called RAID (Redundant Array of Inexpensive Disks) that makes all drives work together smoothly. For example, if a NAS device has two hard drives, you can try two RAID configurations. The first one is RAID1 ‒ two discs mirror each other, and the second ‒ RAID0 where two drives look like a single system.

RAID0 provides advanced performance, but there is one significant drawback. If any of the drives fails, the data from both drives is lost. In case you use two 500GB hard drives in RAID0 configuration, you will get around 1TB of storage.  

When searching for the best rackmount NAS, you have two options to choose from. You can buy a ready-made model loaded with some drives or choose an empty chassis. We recommend purchasing an empty option since you can create the storage suitable for your needs. However, note that not all drives are supported by all NAS devices. Check the compatibility list the manufacturer provides to dispel doubts.

What’s more, many NAS models won’t play with “green” drives that are switched off when they are not used. Some NAS will take it as a disk failure, so you should consider this feature when buying a new NAS unit.