Best 4 Bay NAS Enclosures of 2025

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4 Bay NAS Enclosures are network attached storage devices that allow users to store and share data across multiple devices. These enclosures typically have four bays that can accommodate multiple hard drives, providing ample storage capacity. They are ideal for small to medium-sized businesses or households that require a centralised storage solution. With features such as data backup, remote access, and media streaming, 4 Bay NAS enclosures are a reliable and efficient option for managing data.
At a Glance: Our Top Picks
Top 10 4 Bay NAS Enclosures
Synology DS923+ 4 Bay Network Attached Storage
The Synology DS923+ is a powerful NAS enclosure designed to enhance your data management experience. Featuring an AMD Ryzen R1600 CPU, it operates at a frequency of 2.6GHz, with the capability to boost to 3.1GHz when needed, ensuring smooth performance for your tasks. Its 2-core and 4-thread design means you can run multiple processes efficiently. The built-in hardware encryption engine (AES-NI) offers a secure way to protect your data, making it ideal for sensitive information. With these features, the Synology DS923+ provides speed, efficiency, and security for all your storage needs.
Synology DS423 4 Bay NAS for Data Storage
The Synology DS423 NAS offers an efficient solution for your data storage needs. With centralized data storage, you can consolidate up to 72 TB of data, ensuring you have complete ownership and easy access across multiple platforms from anywhere. Secure sharing and syncing features allow you to safely access and share files with friends or collaborators, keeping everyone updated. You can also protect your valuable media and documents effortlessly by backing them up to multiple destinations, while snapshots help safeguard against malware, providing you peace of mind.
Asustor Drivestor 4 Pro NAS Enclosure
The Asustor Drivestor 4 Pro is a powerful NAS enclosure designed for home and small office users. With its Realtek RTD 1296 Quad Core 1.4 GHz CPU and 2GB DDR4 RAM, you’ll enjoy reliable performance for all your storage needs. It accommodates up to 72TB of storage, allowing you to expand easily as your data grows. The 2.5 Gigabit Ethernet port enhances your connectivity, providing double the performance of standard Gigabit devices. Plus, with support for transcoding 10-bit 4K H.265 media, you can experience smooth video playback effortlessly.
Asustor Drivestor 4 AS1104T 4 Bay NAS
The Asustor Drivestor 4 is designed to enhance your personal cloud experience. With 1 GB DDR4 RAM, it offers a 40% increase in efficiency compared to older memory types, allowing for faster data processing. The 2.5GbE port ensures quicker network speeds, which is ideal for transferring large files. Additionally, it supports Wake on LAN and Wake on WAN features, enabling you to remotely access your NAS conveniently. This means you can easily manage your files from anywhere, making it a practical choice for users seeking flexibility.
Asustor Lockerstor 4 Gen 2 NAS Unit
The Asustor Lockerstor 4 NAS boasts a powerful Quad-Core 2.0GHz Intel Celeron N5105 CPU, offering you 31% more performance compared to previous models. With its superfast 2.5-Gigabit Ethernet ports, you can enjoy smoother streaming and quicker uploads. The flexible PCIe slot allows you to enhance performance further by adding 10GbE NICs or M.2 SSDs. Plus, the device supports DDR4-2933 memory, providing you with a 40% performance boost for your data tasks.
KCMconmey 4 + 1 Bay DIY NAS Case
The KCMconmey NAS Enclosure is designed to support a Mini ITX motherboard, making it ideal for compact setups. With its flexibility to accommodate either a Flex or 1U Power Supply Unit, you can choose the power supply that best fits your needs. This enclosure also allows for a single slot full-height PCI-e expansion card, enabling you to enhance your system with additional capabilities like video or network cards. Additionally, two front USB 3.0 ports facilitate faster data transfers, ensuring you can quickly access and manage your files.
TERRAMASTER F4-223 High Performance NAS Storage
The TERRAMASTER F4-223 NAS offers impressive performance with its N4505 dual-core 2.0GHz CPU and 4GB DDR4 RAM, expandable to 32GB. With dual 2.5-Gigabit Ethernet ports, you can achieve fast data transfer speeds, making it ideal for small and medium businesses. The device supports a maximum internal raw capacity of 80TB, allowing you to store large amounts of data efficiently. Its multiple backup solutions enhance data safety, providing peace of mind for your important files.
Asustor NIMBUSTOR 4 AS5304T NAS Enclosure
The Asustor NIMBUSTOR 4 offers impressive performance with its Intel Celeron J4105 quad-core CPU and 4GB of DDR4 RAM, expandable to 8GB. This makes it an ideal choice for power users and enthusiasts seeking enhanced computing capabilities. You can easily expand your storage up to 72TB by using 2.5" or 3.5" SATA SSDs or HDDs. Additionally, with dual 2.5 Gigabit Ethernet ports, you can enjoy up to 150% faster performance, especially when using Link Aggregation mode. The HDMI 2.0a support allows you to experience stunning 4K HDR content, making it perfect for media enthusiasts.
QNAP TS-932PX-4G 9 Bay NAS Enclosure
The QNAP TS-932PX NAS offers impressive connectivity with two 10GbE SFP+ and two 2.5GbE RJ45 ports, making it ideal for bandwidth-demanding tasks and fast file sharing. The HBS feature ensures comprehensive backup and data recovery, allowing you to optimise storage while reducing backup times. With snapshot functionality, you can easily protect your files from accidental deletions and malware. Additionally, the cloud storage gateways enhance your hybrid cloud applications, ensuring low-latency data access whenever you need it.
QNAP TS-431XEU-2G 4 Bay NAS Enclosure
The QNAP TS-431XEU NAS offers a short depth design, making it ideal for smaller racks or tight spaces, ensuring it fits seamlessly into your setup. With 10GbE readiness and SSD caching, you can experience faster data transfers and enhanced performance. The encryption acceleration engine provides secure data management, giving you peace of mind. Additionally, the VJBOD feature allows you to expand the storage capacity of other QNAP NAS devices, making it a versatile choice for your storage needs.
Frequently Asked Questions (FAQs)
1. How many bays should my NAS have?
A NAS with four or more bays gives you more storage options than a two-bay NAS does. For starters, you can opt for RAID 5, 6, or 10; those data-storage configurations require three or more disks but provide better data protection and (depending on which RAID configuration you choose) can offer better performance.
2. What is a NAS enclosure?
A network-attached storage (NAS) enclosure is a storage device that provides hard disk drive (HDD) capacity to devices connected to a network.
3. Do I need a NAS enclosure?
Is a NAS device at home necessary? In most cases, yes! ... NAS devices often have redundancy and allows for a second copy of your data to be made in case a hard disk fails – something that does not happen with single drive external hard drives. A disaster-proof NAS is even better.
During our 4 bay nas enclosure research, we found 39 4 bay nas enclosure products and shortlisted 10 quality products. We collected and analyzed 6,050 customer reviews through our big data system to write the 4 bay nas enclosures list. We found that most customers choose 4 bay nas enclosures with an average price of £465.39.
The 4 bay nas enclosures are available for purchase. We have researched hundreds of brands and picked the top brands of 4 bay nas enclosures, including Synology, Asustor, KCMconmey, TERRAMASTER, QNAP. The seller of top 1 product has received honest feedback from 273 consumers with an average rating of 4.1.

Kenneth Collin graduated from Imperial College, London, at 22. He is a UX/UI designer, a web developer, and a writer, amongst others. At age 14, Kenneth programmed his first app. Kenneth's app served as a remote control for censored devices. "When I was 8, I would pick up scraps from electronics and try to rebuild or at least fix them," Kenneth said in one of his recent articles on Home repairs for top gadgets.