Key Features
- Everything Included in the Box - TeraStation Windows Server IoT 2025 NAS ships with NAS-grade HDDs included and RAID pre-configured along with a free rail kit.
- Windows Server Operating System - TeraStation WS5020 NAS comes with native Windows Server IoT 2025 for Storage Workgroup edition and leverages the operating system for efficient and robust storage management and security features.
- Robust Data Security - Windows Server IoT 2025 enhances security with features such as SMB over QUIC for encrypted remote access, Active Directory with stronger encryption, automated password management, mandatory LDAP encryption, and more.
- No CALs Required - The Windows Server IoT 2025 NAS does not require any Client Access Licenses (CALs). You can have up to 50 users access the NAS without needing to pay additional costs to further help device integration.
- 24/7 Peace of Mind Included - 3-year warranty with optional warranty services, along with Buffalo's award-winning 24/7 US-based Live Phone Support and data recovery service.
- Made in Japan - Quality made data storage and fully TAA compliant.
TERASTATION WS5420RN 40TB 4-BAY RM NAS
WS5420RN48W5
SKU 15002027
UPC 747464136455
Regular price saves you $1,691.42 against MSRP.
Contact us to check availability
Product Overview
TERASTATION WS5420RN 40TB 4-BAY RM NAS
- Buffalo (WS5420RN48W5) Storage Arrays & Servers
- BUFFALO TeraStation WS5420RN 4-Bay Windows Server IoT 2025 Rackmount NAS 48TB (4x12TB) HDD Included TAA Compliant - Intel Atom C3338 Dual-core (2 Core) 1.50 GHz - 4 x HDD Supported - 48 TB Supported HDD Capacity - 4 x HDD Installed - 48 TB Installed HDD Capacity - Serial ATA/600 - 8 GB RAM DDR4 SDRAM - Serial ATA/600 Controller - RAID Supported - 0, 1, 5, JBOD RAID Levels - 4 x Total Bays - 10 Gigabit Ethernet, Gigabit Ethernet - 3 USB Port(s) - Network (RJ-45) - Windows Server IoT 2025 - i
- BUFFALO TeraStation WS5420RN 4-Bay Windows Server IoT 2025 Rackmount NAS 48TB (4x12TB) HDD Included TAA Compliant
- Intel Atom C3338 Dual-core (2 Core) 1.50 GHz - 4 x HDD Supported - 48 TB Supported HDD Capacity - 4 x HDD Installed - 48 TB Installed HDD Capacity - Serial ATA/600 - 8 GB RAM DDR4 SDRAM - Serial ATA/600 Controller - RAID Supported - 0, 1, 5, JBOD RAID Levels - 4 x Total Bays - 10 Gigabit Ethernet, Gigabit Ethernet - 3 USB Port(s) - Network (RJ-45) - Windows Server IoT 2025 - iSCSI, TCP/IP, CIFS/SMB, AFP, FTP, SFTP, NFS, SNMP - Rack-mountable - TAA Compliant
Technical Specifications
| Product Type | SAN/NAS Storage System |
| Manufacturer Part Number | WS5420RN48W5 |
| Protocols | iSCSI |
| Protocols | TCP/IP |
| Protocols | CIFS/SMB |
| Protocols | AFP |
| Protocols | FTP |
| Protocols | SFTP |
| Protocols | NFS |
| Protocols | SNMP |
| Limited Warranty | 3 Year |
| Standard Memory | 8 GB |
| Operating System | Windows Server IoT 2025 |
| Form Factor | Rack-mountable |
| Manufacturer | Buffalo Americas, Inc |
| Product Model | WS5420RN48W5 |
| Product Name | TeraStation WS5420RN48W5 SAN/NAS Storage System |
| Processor Speed | 1.50 GHz |
| Processor Type | Atom |
| Product Line | TeraStation |
| RAID Levels | 0, 1, 5, JBOD |
| Controller Type | Serial ATA/600 |
| Product Series | WS5020 |
| Brand Name | Buffalo |
| Operating System Supported | Windows 11 |
| Operating System Supported | Windows 10 |
| Operating System Supported | Windows 10 x64 |
| Operating System Supported | Windows 8.1 |
| Operating System Supported | Windows 8.1 x64 |
| Operating System Supported | Windows 7 |
| Operating System Supported | Windows 7 x64 |
| Operating System Supported | Windows Server 2022 |
| Operating System Supported | Windows Server 2016 |
| Operating System Supported | Windows Server 2019 |
| Operating System Supported | Windows Server 2012 |
| Operating System Supported | Windows Server 2012 R2 |
| Operating System Supported | Mac OS X 10.12 Sierra |
| Operating System Supported | Windows 11 x64 |
| Memory Technology | DDR4 SDRAM |
| Processor Model | C3338 |
| Country of Origin | Japan |
| Height | 1.7" |
| Width | 16.9" |
| Depth | 16.9" |
| Processor Core | Dual-core (2 Core) |
| Processor Manufacturer | Intel |
| Hard Drive Interface | Serial ATA/600 |
| RAID Supported | Yes |
| Ethernet Technology | 10 Gigabit Ethernet |
| Ethernet Technology | Gigabit Ethernet |
| Number of Total Expansion Bays | 4 |
| Number of Network (RJ-45) Ports | 3 |
| Network (RJ-45) | Yes |
| Hard Drive Configuration | 4 x 12TB |
| Total Number of USB Ports | 3 |
| Total Hard Drive Capacity Supported | 48 TB |
| Total Hard Drive Capacity Installed | 48 TB |
| Number of Hard Drives Supported | 4 |
| Number of Hard Drives Installed | 4 |
| Drive Interface | Serial ATA/600 |
| TAA Compliant | Yes |
| Number of USB 3.2 Gen 1 Ports | 3 |
Marketing Information
- TeraStation WS5420RN48W5 SAN/NAS Storage System
- AC Cable
- 6a Ethernet Cable
- Warranty Statement
- Quick Setup Guide
- Setup Media (SD Card)
- Rail Kit with Mounting Brackets and Screws
Buffalo's TeraStation WS5020 IoT 2025 is a robust NAS solution powered by Windows Server IoT 2025 for Storage, offering seamless integration into Windows environments, centralized data management, and lower IT costs-all the while keeping your data secure.
With NAS-grade drives and RAID pre-configured, the WS5020 is Day One Ready. The WS5020 also supports your existing Windows tools and services, and includes key features like data deduplication, enhanced Active Directory, and improved scalability.
Shipping & Dimensions
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