Best BUFFALO NAS Devices: 9 Models Compared
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This guide compares 9 models to help you find the best BUFFALO NAS devices for your specific needs. BUFFALO offers a range of sizes and shapes, including compact desktop units and heavy rackmount servers. We selected the top pick based strictly on the specifications published on the listings. The BUFFALO LinkStation 210 2TB 1-Bay NAS leads this list because it is ideal for home users needing basic file sharing. Its small footprint and straightforward design make it a practical starter device. You can choose from 1-bay to 12-bay options depending on your storage requirements. Each model varies in capacity and form factor to suit different environments.
Quick picks
Our 9 picks
BUFFALO LinkStation 210 2TB 1-Bay NAS
Best for: home users needing basic file sharing
- Drive Bays
- 1-Bay
- Included Storage
- 2TB
- Intended Use
- Home Users
- Dimensions
- 9.45 × 3.31 × 8.67 inches
- Weight
- 2.43 pounds
The BUFFALO LinkStation 210 is a single-bay NAS designed for home users who need centralized storage. It includes 2TB of drive space in a compact desktop form factor. You get subscription-free personal cloud access and SSL encryption for secure transfers. The unit supports automated backups via NAS Navigator 2 for macOS 15 and earlier. It is a straightforward solution for basic file sharing and data security without complex management.
Pros
- Includes 2TB of storage in a single drive bay
- Subscription-free personal cloud access for photos and videos
- SSL encryption ensures secure file transfers
- Compact desktop dimensions of 3.31 x 9.45 x 8.67 inches
Cons
- Single drive bay offers no RAID redundancy
- Limited to macOS 15 (Sequoia) and earlier for management software
- Only 2TB capacity compared to higher-capacity multi-bay options
Good fit if
- You need a simple, single-drive storage solution for personal files
- You want subscription-free cloud access for media backup
- You primarily use macOS 15 or earlier for management
Skip if
- You require RAID redundancy for data protection
- You need more than 2TB of storage in one unit
- You rely on macOS 26 or newer for system compatibility
Verdict: The BUFFALO LinkStation 210 2TB 1-Bay NAS is a practical starter device for home users needing basic file sharing. It suits individuals who prioritize simplicity and security over capacity or redundancy.
BUFFALO TeraStation 5420DN 32TB Desktop NAS
Best for: Businesses needing 32TB local storage and 10GbE
- Drive Bays
- 4-Bay
- Network Connectivity
- Native 10GbE port
- Included Storage
- 32TB (4x8TB)
- RAID Support
- RAID 5, RAID 6, RAID 0
- Form Factor
- Desktop
- Dimensions
- 14.1 × 12.2 × 14.3 inches
This 4-bay desktop NAS ships with 32TB of storage (4x8TB drives). It features a native 10GbE port for fast transfers and supports RAID 5 or 6. The system includes 256-bit drive encryption, two-factor authentication, and snapshot capabilities for ransomware protection. It syncs with major cloud services. This unit suits businesses needing high capacity and security without rack mounting.
Pros
- Native 10GbE port for high-speed file transfers
- 32TB capacity with four NAS-grade hard drives included
- 256-bit drive encryption and two-factor authentication
- Snapshot feature for instant data recovery
- Cloud integration with Dropbox, Amazon S3, and Azure
Cons
- Large desktop footprint measures 14.3 inches in height
- No mention of built-in UPS or battery backup
- Closed system limits custom OS installation
Good fit if
- You need 32TB of local storage for a small office
- You require 10GbE connectivity for fast network speeds
- You want enterprise-grade security features like snapshots
Skip if
- You need a rackmount form factor for server rooms
- You require more than 32TB of total capacity
- You prefer a 2-bay or 1-bay compact solution
Verdict: BUFFALO TeraStation 5420DN 32TB 4-Bay Desktop NAS delivers robust security and 10GbE speed for businesses needing substantial local storage. It fits teams that prioritize data protection and fast transfers over compact size.
BUFFALO TeraStation 5420RN 4-Bay 32TB
Best for: Businesses needing 10GbE speed and snapshot recovery
- Drive Bays
- 4-Bay
- Network Connectivity
- Native 10GbE port
- Included Storage
- 32TB (4x8TB)
- RAID Support
- RAID 5, RAID 6, RAID 0
- Form Factor
- Rackmount
- Dimensions
- 7.9 × 23 × 21.3 inches
This is a 4-bay business rackmount NAS with 32 TB of storage. It includes four 8 TB drives and ships in RAID 5 for 24 TB usable space. The unit features a native 10GbE port for fast transfers. It supports snapshots for quick recovery and integrates with cloud services like Dropbox and Azure. The system uses 256-bit encryption and two-factor authentication for security. It weighs 27.2 pounds and measures 23 by 21.3 inches.
Pros
- Native 10GbE port for high-speed data transfers
- 32 TB total capacity with four included NAS-grade drives
- Snapshots enable instant data backup and ransomware mitigation
- 256-bit drive encryption and two-factor authentication
- Cloud integration with Dropbox, Amazon S3, and Microsoft Azure
Cons
- Rackmount form factor requires specific mounting hardware
- Ships in RAID 5, leaving only 24 TB usable by default
- Heavy at 27.2 pounds and large at 23 inches wide
Good fit if
- You need high-speed 10GbE connectivity for large files
- You require enterprise-grade security with encryption and snapshots
- You have a server rack for the 4-bay chassis
Skip if
- You prefer a desktop form factor for easy placement
- You want maximum raw capacity without RAID overhead
- You need a compact unit for limited space
Verdict: BUFFALO TeraStation 5420RN 4-Bay 32TB Rackmount NAS fits businesses needing secure, high-capacity storage with 10GbE speed. It suits teams that value snapshot recovery and cloud hybrid options over desktop convenience.
BUFFALO TeraStation 51220RH 12-Bay 240TB
Best for: Enterprise rackmount storage with 240TB capacity
- Drive Bays
- 12-Bay
- Network Connectivity
- 10GbE
- Included Storage
- 240TB (12x20TB)
- RAID Support
- RAID 0, 6
- Form Factor
- Rackmount
- Dimensions
- 29 × 3.4 × 18.9 inches
This is a 12-bay enterprise rackmount NAS designed for heavy data loads. It includes twelve 20TB drives for 240TB total capacity, shipping in RAID 6 for 200TB usable space. You get native 10GbE ports for fast transfers and 256-bit drive encryption for security. The closed system supports snapshots for ransomware protection and syncs with major cloud services. It suits businesses needing high-capacity, stable storage with US-based support.
Pros
- 240TB total capacity with twelve 20TB enterprise drives included
- Native 10GbE port for high-speed file transfers
- 256-bit drive encryption and two-factor authentication
- Snapshots for instant data recovery and ransomware mitigation
- 5-year warranty with optional hard drive coverage
Cons
- Weighs 55.4 pounds, making it difficult to move
- Requires rackmount installation rather than desktop placement
- Closed system limits third-party app integration
Good fit if
- You need a high-capacity solution for a data center
- You require 10GbE connectivity for fast internal transfers
- You want enterprise-grade security with drive encryption
Skip if
- You need a compact desktop unit for an office
- You prefer open-source operating systems
- You have limited rack space in your server room
Verdict: BUFFALO TeraStation 51220RH 12-Bay 240TB Rackmount NAS delivers massive storage and security for enterprises. It fits organizations that prioritize data protection and speed over flexibility.
BUFFALO TeraStation 12-Bay 80TB Rackmount NAS
Best for: Enterprise environments needing 10GbE and 12-bay capacity
- Drive Bays
- 12-Bay
- Network Connectivity
- 4x 10GbE
- Processor
- Intel Xeon
- Included Storage
- 80TB (4x20TB)
- Form Factor
- Rackmount
- Dimensions
- 29 × 3.5 × 18.9 inches
View on Amazon: BUFFALO TeraStation 12-Bay 80TB Rackmount NAS
The BUFFALO TeraStation 71210RH is a 12-bay enterprise rackmount NAS designed for high-workload IT environments. It includes 80TB of storage and features four native 10GbE ports for accelerated data transfer. The system uses an Intel Xeon processor and supports PCIe Gen 4x8 slots for SSD caching. It offers robust data protection with 256-bit drive encryption and Btrfs snapshots. This unit suits businesses needing scalable, high-speed storage with strong security features.
Pros
- Four native 10GbE ports for high-speed network connectivity
- 12-bay capacity with 80TB included storage
- Intel Xeon processor for enterprise-grade performance
- Snapshots and Btrfs file system for instant data recovery
- 256-bit drive encryption and two-factor authentication
Cons
- Large physical dimensions at 29 inches in length
- Heavy build at 54.2 pounds
- Requires rackmount installation space
Good fit if
- You need high-speed 10GbE network transfer rates
- You require an enterprise-grade solution with Intel Xeon processing
- You have rackmount infrastructure and need 12-bay scalability
Skip if
- You are looking for a compact desktop unit
- You need 1GbE connectivity only
- You prefer a lightweight, portable storage solution
Verdict: The BUFFALO TeraStation 71210RH 12-Bay 80TB is a heavy, rackmount-focused unit that fits large businesses requiring 10GbE speeds and Intel Xeon performance. It is not suitable for home offices or desktop setups.
BUFFALO TeraStation 4-Bay 8TB Rackmount NAS
Best for: Businesses needing encrypted rackmount storage
- Drive Bays
- 4-Bay
- Network Connectivity
- 2.5GbE
- Included Storage
- 8TB (4x2TB)
- RAID Support
- RAID 0, 5, 6
- Form Factor
- Rackmount
This 4-bay rackmount NAS includes four 2TB hard drives for a total capacity of 8TB. It features a native 2.5GbE port for fast file transfers and supports RAID configurations like RAID 5 or RAID 6. The system offers 256-bit drive encryption and syncs with cloud services such as Amazon S3 and Microsoft Azure. It is designed for users who need professional-grade storage in a rackmount form factor.
Pros
- Native 2.5GbE port for high-speed transfers
- 256-bit drive encryption for data security
- Cloud sync with Amazon S3 and Azure
- RAID 5 pre-configured for data protection
Cons
- Only 4TB usable capacity in default RAID 5
- No mention of USB connectivity for local backups
- Rackmount form factor limits desktop placement
Good fit if
- You need a rackmount NAS for your server room
- You want cloud integration for hybrid backups
- You require 2.5GbE speeds without cable upgrades
Skip if
- You need a desktop NAS for a home office
- You want maximum raw capacity without RAID overhead
- You require USB ports for direct device connections
Verdict: BUFFALO TeraStation Essentials 8TB Rackmount NAS provides a secure, rackmount solution with 2.5GbE connectivity. It suits businesses needing hybrid cloud sync and encrypted storage in a server rack.
BUFFALO TeraStation 4-Bay 16TB Desktop NAS
Best for: Small offices needing secure desktop storage
- Drive Bays
- 4-Bay
- Included Storage
- 16TB (4x4TB)
- RAID Support
- RAID 0, RAID 5, RAID 6
- Form Factor
- Desktop
This 4-bay desktop NAS includes 16TB of storage across four pre-tested drives. It ships with RAID 5 for 12TB usable space, offering a balance of speed and redundancy. You get a native 2.5GbE port for fast transfers without new cables. The system supports RAID 0, 5, and 6, plus 256-bit drive encryption. It also syncs with major cloud services for hybrid storage needs.
Pros
- Includes 16TB storage (4x4TB drives)
- Native 2.5GbE network port
- Supports RAID 0, 5, and 6
- 256-bit drive encryption
- Cloud sync with Amazon S3 and Azure
Cons
- Smaller usable capacity in RAID 5 compared to larger models
- Desktop form factor limits rack mounting options
- No mention of USB 3.2 or Thunderbolt ports
Good fit if
- You need a ready-to-use desktop NAS with drives included
- You want 2.5GbE speeds without replacing cables
- You prefer a closed system with built-in encryption
Skip if
- You require rackmount form factor for server rooms
- You need more than 16TB of total raw storage
- You want to build your own RAID array from scratch
Verdict: BUFFALO TeraStation Essentials 16TB Desktop NAS is a practical choice for small offices needing a secure, pre-configured 4-bay solution with 2.5GbE connectivity.
BUFFALO LinkStation SoHo 220 4TB 2-Bay NAS
Best for: Small office file sharing and backup
- Drive Bays
- 2 Bay
- Included Storage
- 4TB (2x2TB)
- RAID Support
- RAID 0, RAID 1
- Dimensions
- 8.1 × 3.4 × 5 inches
- Weight
- 5.52 pounds
This 2-bay NAS offers 4 TB of total storage, shipping with two 2 TB drives installed. It supports RAID 1 for automatic backup or RAID 0 for full capacity. The device features SSL encryption and a closed system to reduce vulnerabilities. It connects to your router for shared network storage. You can use it to organize, store, and back up files from Windows and macOS devices without monthly fees.
Pros
- Includes 4 TB total capacity with 2x2 TB drives
- Supports RAID 1 for automatic data backup
- Features SSL encryption for secure file transfers
- Closed system reduces third-party app vulnerabilities
- Compatible with Windows and macOS 15 and earlier
Cons
- Limited to macOS 15 (Sequoia) and earlier versions
- No mention of 2.5 GbE connectivity in this model
- Usable capacity drops to 2 TB in default RAID 1 mode
Good fit if
- You need a simple, secure NAS for home office backups
- You want pre-installed drives without buying separately
- You prefer a closed system for reduced security risks
Skip if
- You require support for macOS 26 or newer
- You need high-speed 2.5 GbE network connectivity
- You want to maximize usable storage with RAID 0
Verdict: BUFFALO LinkStation SoHo 220 4TB 2-Bay NAS is a secure, subscription-free storage solution for small offices. It suits users who value data safety and simple setup over advanced network speeds or newer macOS support.
BUFFALO TeraStation 3430DN 4-Bay Desktop NAS
Best for: Small offices needing secure desktop storage
- Drive Bays
- 4-Bay
- Included Storage
- 4TB (2x2TB)
- RAID Support
- RAID 0, 1
- Form Factor
- Desktop
- Dimensions
- 14.8 × 14.1 × 12.5 inches
- Weight
- 13.3 pounds
View on Amazon: BUFFALO TeraStation 3430DN 4-Bay Desktop NAS
The BUFFALO TeraStation 3430DN is a 4-bay desktop NAS designed for small to medium businesses with up to 40 users. It includes 2 pre-installed 2TB drives, offering 2TB usable in RAID 1 or 4TB in RAID 0. The unit features 256-bit drive encryption and two-factor authentication. You get 3-year warranty support and US-based phone assistance. This model ships with hard drives included and is optimized for always-on reliability.
Pros
- Includes 2 pre-tested NAS-grade hard drives
- 256-bit drive encryption and two-factor authentication
- Supports Dropbox, OneDrive, and Amazon S3 sync
- 3-year warranty with US-based live phone support
- Optimized for environments with up to 40 users
Cons
- Only 2TB usable capacity in default RAID 1
- No mention of included rackmount rails in specs
- Limited to 2 empty bays for future expansion
Good fit if
- You need a desktop NAS for a small office
- You want pre-installed drives to save setup time
- You require 24/7 US-based phone support
Skip if
- You need a rackmount form factor
- You require more than 4TB usable capacity out of the box
- You prefer a fully populated 4-bay system
Verdict: The BUFFALO TeraStation 3430DN 4-Bay Desktop NAS fits small businesses needing secure, supported storage with included drives. It offers robust encryption and phone support, but you must expand manually if you need more than 2TB initially.
Specifications side by side
| Spec | BUFFALO LinkStation 210 2TB 1-Bay NAS | BUFFALO TeraStation 5420DN 32TB Desktop NAS | BUFFALO TeraStation 5420RN 4-Bay 32TB | BUFFALO TeraStation 51220RH 12-Bay 240TB | BUFFALO TeraStation 12-Bay 80TB Rackmount NAS | BUFFALO TeraStation 4-Bay 8TB Rackmount NAS | BUFFALO TeraStation 4-Bay 16TB Desktop NAS | BUFFALO LinkStation SoHo 220 4TB 2-Bay NAS | BUFFALO TeraStation 3430DN 4-Bay Desktop NAS |
|---|---|---|---|---|---|---|---|---|---|
| Drive Bays | 1-Bay | 4-Bay | 4-Bay | 12-Bay | 12-Bay | 4-Bay | 4-Bay | 2 Bay | 4-Bay |
| Network Connectivity | not specified | Native 10GbE port | Native 10GbE port | 10GbE | 4x 10GbE | 2.5GbE | not specified | not specified | not specified |
| Processor | not specified | not specified | not specified | not specified | Intel Xeon | not specified | not specified | not specified | not specified |
| Included Storage | 2TB | 32TB (4x8TB) | 32TB (4x8TB) | 240TB (12x20TB) | 80TB (4x20TB) | 8TB (4x2TB) | 16TB (4x4TB) | 4TB (2x2TB) | 4TB (2x2TB) |
| RAID Support | not specified | RAID 5, RAID 6, RAID 0 | RAID 5, RAID 6, RAID 0 | RAID 0, 6 | not specified | RAID 0, 5, 6 | RAID 0, RAID 5, RAID 6 | RAID 0, RAID 1 | RAID 0, 1 |
| Form Factor | not specified | Desktop | Rackmount | Rackmount | Rackmount | Rackmount | Desktop | not specified | Desktop |
| Number of Bays | not specified | 4-Bay | 4-Bay | 12-Bay | 12-Bay | 4-Bay | 4-Bay | 2-Bay | 4-Bay |
| Intended Use | Home Users | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Dimensions | 9.45 × 3.31 × 8.67 inches | 14.1 × 12.2 × 14.3 inches | 7.9 × 23 × 21.3 inches | 29 × 3.4 × 18.9 inches | 29 × 3.5 × 18.9 inches | not specified | not specified | 8.1 × 3.4 × 5 inches | 14.8 × 14.1 × 12.5 inches |
| Weight | 2.43 pounds | not specified | 27.2 pounds | 55.4 pounds | 54.2 pounds | not specified | not specified | 5.52 pounds | 13.3 pounds |
| Size | 2TB (1x2TB) | 32TB (4x8TB) | 32TB (4x8TB) | 240TB (12x20TB) | 80TB (4x20TB) | 8TB (4x2TB) | 16TB | 4TB (2x2TB) | 4TB (2x2TB) |
| Color | Black | black or dark gray | Black | Black | Black | Black | not specified | not specified | not specified |
| Model | LS210D0201 | TS5420DN3204 | TS5420RN3204 | TS51220RH24012 | TS71210RH8004 | TS3420R0804S | TS3430D1604S | LS220D0402B | TS3430DN0402 |
BUFFALO NAS Devices Compared
You can choose between compact desktop units and heavy rackmount servers. The LinkStation 210 offers basic file sharing for home users. Small offices may prefer the TeraStation 3430DN for its secure desktop design. These options fit spaces where size matters more than raw capacity.
Larger teams need robust hardware. The TeraStation 5420DN provides 32TB of storage with 10GbE connectivity. Enterprise environments often select the 12-bay TeraStation 51220RH for massive 240TB capacity. These rackmount models suit businesses prioritizing data protection and speed over compact form factors.
Where BUFFALO Fits Your Needs
BUFFALO’s range spans from a single-bay home unit to massive enterprise racks. You can choose between compact desktops for small offices and heavy rackmount servers for data centers. The lineup includes 1, 2, 4, and 12-bay options. Most models offer 10GbE or 2.5GbE connectivity. You will find no 1-bay rackmount or 2-bay desktop options in this specific list. The brand clearly separates home simplicity from business-grade security and capacity. You should match your form factor preference to your physical space and network speed requirements.
If you plan to add fast cache drives, review hardware specifications for the best nvme SSDs for NAS.
How to choose the right BUFFALO NAS
-
Match form factor to space
Decide between desktop and rackmount designs based on where you place the device. Desktop units like the TeraStation 3430DN fit easily on desks or shelves in small offices. Rackmount models such as the TeraStation 51220RH are built for server cabinets. These heavier units require more physical space and proper mounting hardware. Check the width and height specifications to ensure the device fits your available area. Desktop models offer flexibility, while rackmount versions provide structured organization for larger setups.
-
Select bays for capacity
The number of drive bays determines your maximum storage potential. Single-bay options like the LinkStation 210 suit home users with modest needs. Two-bay models, such as the SoHo 220, allow for basic redundancy. Four-bay units, including the TeraStation 5420DN, offer higher capacity and better performance for business environments. Twelve-bay systems like the 51220RH deliver massive storage for enterprises. Consider your current data volume and future growth. More bays provide expansion room but increase the physical footprint and power requirements of the system.
-
Check network interface speed
Network connectivity affects how fast you can transfer files. Standard Gigabit Ethernet is common in entry-level models. Higher-end devices feature 10GbE ports for significantly faster data movement. The TeraStation 5420DN and 71210RH both include 10GbE capabilities for rapid transfers. Ensure your network switches and cabling support these speeds. Without compatible infrastructure, you will not see the performance benefit. For small offices, 2.5GbE ports on models like the Essentials series offer a good middle ground between speed and cost.
-
Verify physical dimensions
NAS devices vary greatly in size. Compact units like the LinkStation 210 measure roughly 3 inches wide. Large rackmount servers can exceed 29 inches in length. Measure your intended installation space carefully before purchasing. The TeraStation 51220RH is significantly wider and heavier than desktop alternatives. Ensure you have adequate clearance for ventilation and cable management. Weight is also a factor for rackmount models, which can exceed 50 pounds. Proper sizing ensures the device fits securely and operates within safe thermal limits.
-
Align use case with features
Choose a model that matches your specific workflow. Home users often need simple file sharing, making the LinkStation 210 a practical choice. Small offices may require secure, encrypted storage with phone support, like the TeraStation 3430DN. Enterprises demanding snapshot recovery and cloud hybrid options should look at the TeraStation 5420RN. Avoid overbuying features you will not use. Conversely, do not underestimate the needs of a growing business. Selecting the right tier ensures you get the necessary tools without paying for unused enterprise-grade hardware.
Frequently asked questions
Which BUFFALO NAS is best for home file sharing?
The BUFFALO LinkStation 210 2TB is the top pick for home users needing basic file sharing. It is a practical starter device that prioritizes simplicity and security. This single-bay unit suits individuals who do not require massive capacity or redundancy. Its compact desktop form factor fits easily into a home office or living space.
What is the best budget BUFFALO NAS for business?
The BUFFALO TeraStation 5420DN 32TB is the best budget option for businesses. It delivers robust security and 10GbE speed for teams needing substantial local storage. This four-bay desktop NAS fits organizations that prioritize data protection and fast transfers. It offers a solid balance of performance and capacity for small to medium enterprises.
Does BUFFALO offer rackmount NAS options?
Yes, BUFFALO offers several rackmount NAS options for enterprise environments. The TeraStation 5420RN and 51220RH are designed for server racks. These units provide high capacity and secure storage with features like snapshot recovery. They suit teams that value cloud hybrid options and heavy-duty performance over desktop convenience.
How many bays do BUFFALO NAS drives have?
BUFFALO NAS devices come in various bay configurations. Options include one-bay, two-bay, four-bay, and twelve-bay models. The LinkStation 210 is a single-bay unit for home use. The SoHo 220 offers two bays for small offices. Larger business units like the TeraStation 51220RH provide twelve bays for maximum storage density.
What network speeds do BUFFALO NAS devices support?
Network connectivity varies by model. The TeraStation 5420DN and 71210RH feature 10GbE ports for high-speed data transfers. Other models, such as the TeraStation Essentials series, offer 2.5GbE connectivity. These speeds support efficient file sharing and backup operations for small offices and businesses requiring reliable network performance.
Which BUFFALO NAS is best for small offices?
The BUFFALO TeraStation 3430DN 4-Bay Desktop NAS is ideal for small offices. It provides secure, supported storage with included drives and robust encryption. The LinkStation SoHo 220 is another option for basic file sharing and backup. These desktop units fit easily on desks and offer subscription-free storage solutions.
What is the largest capacity BUFFALO NAS available?
The BUFFALO TeraStation 51220RH offers the largest capacity at 240TB. This twelve-bay rackmount NAS delivers massive storage for enterprise needs. It fits organizations that prioritize data protection and speed. The TeraStation 71210RH provides 80TB, while other models offer smaller capacities ranging from 2TB to 32TB.