Best 4 Bay Nas In May 2025

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Below is the top 10 Best 4 Bay Nas review to guide you buy the best product. Choose one of these products and your satisfaction is guaranteed!

To help you in your search, we have completed this list of the Best 4 Bay Nas.

Top Rated Best 4 Bay Nas Of 2025

Rank	Product Name	Score
1	QNAP TR-004 4 Bay Hard Drive Enclosure Direct Attached Storage (DAS) with hardware Buy Now	9.7 Buy Now
2	TerraMaster D5-300C USB3.0(5Gbps) Type C 5-Bay RAID Enclosure Support RAID 0/1/Single Exclusive 2+3 Buy Now	9.5 Buy Now
3	Synology 4 Bay NAS DS420j (Diskless), 4-Bay; 1GB DDR4 Buy Now	9.1 Buy Now
4	QNAP TS-431P-US 4-Bay Personal Cloud NAS, ARM Cortex A15 1.7GHzDual Core, 1GB RAM Buy Now	8.8 Buy Now
5	TerraMaster F4-210 4-Bay NAS Quad Core Network Attached Storage Media Server Personal Private Buy Now	8.6 Buy Now
6	Synology 4 bay NAS DiskStation DS918+ (Diskless) Buy Now	8.3 Buy Now
7	BUFFALO LinkStation SoHo 2-Bay Desktop 4TB Home Office NAS with Hard Drives Included Buy Now	8.1 Buy Now
8	Synology 4 bay NAS DiskStation DS418 (Diskless) Buy Now	7.8 Buy Now
9	Synology 4 Bay NAS Rackstation RS819 (Diskless) Buy Now	7.5 Buy Now
10	Synology 5 bay NAS DiskStation DS1019+ (Diskless) Buy Now	7.2 Buy Now

1. QNAP TR-004 4 Bay Hard Drive Enclosure Direct Attached Storage (DAS) with hardware

• Lockable drive bays
• Expand the capacity of your qnap nas
• High-speed direct-attached storage device via usb type-c for windows, macos and linux
• Use the tr-004 as external storage for nas backup
• Supports up to 4 2. 5/3. 5 inch sata drives at gbps
• Hardware raid supports raid 0, 1, 5, jbod, and individual disks

2. TerraMaster D5-300C USB3.0(5Gbps) Type C 5-Bay RAID Enclosure Support RAID 0/1/Single Exclusive 2+3

• 5-bay raid storage, compatible with 2.5"/3.5" sata hard drive or ssd, supports 12tb hard drive, total capacity up to 60tb. (note: users need to purchase their own hard drives. these are not included. for stable performance, seagate ironwolf hard drives or wd reds are recommended). compatible with mac and windows, and also works with the computers possessing the thunderb...
• Compatible with mac, windows and linux computers. this is a das, not a nas.
• Adopts real superspeed usb3.0(5gbps) type-c interface, the read/write speed is up to 410mb/s (ssd in raid 0).
• D5-300c adopts aluminum enclosure and low-noise fan, which is firm and reliable, of good heat dissipation, and low noise.
• Unique 2+3 raid mode: hard drive #1 & #2 can be configured as raid 0, raid 1 or single disk. the remaining drives #3-5 work as single, independent drives.

3. Synology 4 Bay NAS DS420j (Diskless), 4-Bay; 1GB DDR4

• Energy-saving design with only 7 88 w consumed in hibernation mode
• 64-bit 4-core 1 4 ghz processor and 1 gb ddr4 memory
• 4-bay home nas with over 60 tb raw capacity support suitable for data backup and file sharing
• Over 112 mb/s encrypted sequential reading and writing throughput
• Easy-to-deploy surveillance solution that supports up to 16 ip cameras

4. QNAP TS-431P-US 4-Bay Personal Cloud NAS, ARM Cortex A15 1.7GHzDual Core, 1GB RAM

• Arm cortex-a15 dual-core 1.7ghz, 1gb ram, sata 6gb/s, 2x gbe lan, 3 x usb3.0, hdd hot-swappable
• Supports agent as a mailroom center and contacts for centralizing contact information , operating temperature - 0 - 40 degree celsius
• Synchronize files between the ts-431p, computers, laptops, and mobile devices , stream your multimedia library via dlna, airplay & chromecast
• Build a surveillance center to safeguard your home and office
• Centralizes file storage, sharing and backup with excellent performance , full nas encryption using volume-based technology and hardware acceleration

5. TerraMaster F4-210 4-Bay NAS Quad Core Network Attached Storage Media Server Personal Private

• Arm v8 quad-core 1.4ghz cpu with 2gb ram (not upgradeable), blazingly fast read/write speeds of more than 114 mb/s (raid 0, wd red 4tb x 2), hardware encryption.
• Supports emby and plex media servers, which keep your videos, music, and photos personal media beautifully organized,always ready for on-demand streaming to your pc, mobile device, smart tv, or games console.
• Compatible with 3.5" and 2.5" sata hdd, 2.5" sata ssd. each bay supports the hdd up to 16tb (total of 32tb in raid 0). the wd red hard drives and the seagate ironwolf ones are recommended for stable performance. supports the plex and emby media servers.
• Supports docker, cloud drive sync, multiple backups, remote access and mobile app. dozens of free applications, ultra-quiet heat dissipation technology.
• A 4-bay entry-level nas optimized for home and soho users, running the latest tos 4.1 operating system.

6. Synology 4 bay NAS DiskStation DS918+ (Diskless)

• Quad-core processor with aes-ni hardware encryption engine, dual 1gbe lan with failover and link aggregation support
• Compatibility: hdd/ssd, ip camera, surveillance devices, router, network card, other devices
• Dual-channel h.265/h.264 4k video transcoding on the fly. operating temperature: 5c to 40c (40f to 104f).maximum internal raw capacity: 56 tb (14 tb drive x 4) (capacity may vary by raid types)
• Advanced file system offering 65,000 system-wide snapshots and 1,024 snapshots per shared folder
• 4gb ddr3l-1866 memory, expandable up to 8gb, scalable up to 9 drives with synology dx517
• Encrypted sequential throughput at over 225 mb/s reading and 221 mb/s writing

7. BUFFALO LinkStation SoHo 2-Bay Desktop 4TB Home Office NAS with Hard Drives Included

• Direct copy-ready nas lets you save data directly from usb devices
• Bundled with novastor's novabackup pc backup software (5 licenses)
• 3-year standard wty with 24/7 north american-based support
• Easy to use reliable & economic backup storage for home office & creative professionals
• Private cloud/ active directory supported
• Pre-tested standard-grade hard drives included with raid pre-configured

8. Synology 4 bay NAS DiskStation DS418 (Diskless)

• Storage temperature -20 degree celsius to 60 degree celsius (-5 degree fahrenheit to 140 degree fahrenheit)
• Dual 1gbe ports with failover and link aggregation support
• 4k 10-bit h.265 video transcoding on the fly
• Over 40tb raw single volume capacity. operating temperature - 5c to 40c (40f to 104f)
• Sequential throughput performance at over 226 mb/s reading and 170 mb/s writing

9. Synology 4 Bay NAS Rackstation RS819 (Diskless)

• Scalable 4-bay 1u rack mount nas for business workgroups, scale up to 8 drives with synology rx418
• Advanced btrfs file system offering 4, 096 system-wide snapshots and 256 snapshots per shared folder
• Dual 1gbe lan with failover and link aggregation support
• 64-bit quad-core 1.4ghz processor, encryption performance at over 224 mb/s reading, 152 mb/s writing
• Compact chassis design, less than 12-inch deep

10. Synology 5 bay NAS DiskStation DS1019+ (Diskless)

• Loaded with two 4gb ddr3l memory module, providing 8gb memory capacity in total.power supply unit / adapter - 120 w. ac input power voltage - 100 v to 240 v ac .power frequency - 50/60 hz, single phase
• Quad-core cpu with aes-ni encryption engine, delivering reading and writing throughput at over 225 mb/s even when data are encrypted
• Built-in two m.2 nvme ssd slots for system cache support, dual 1gbe (rj-45) ports with failover and link aggregation support
• Dual-channel h.264/h.265 4k video transcoding on the fly
• Scalable up to 10 drives with one expansion unit dx517 connected