BuffaloNAS & Storage Servers

TeraStation WS5420RN NAS Rack (1U) Intel Atom® C3338 8 GB DDR4 16 TB HDD Windows Server IoT 2025 Black

Part # WS5420RN16W5UPC 747464136400Warranty: 3 years26.5 lb

Small & Medium Business NAS Rack (1U) Black
Windows Server IoT 2025
Total installed storage capacity: 16 TB Number of storage drives supported: 4 HDD
Intel Atom® C3338 2.2 GHz
8 DDR4 ECC
Ethernet LAN 10000 iSCSI support

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Overview

WS5420RN 2025 NAS 16TB (4x4TB) The WS IoT 2025 TeraStation series NAS utilizes a specialized version of Windows Server IoT 2025 that is designed for small storage solutions. The NAS delivers smarter and more efficient data management, with enhanced backup and security features to optimize your data storage experience. Seamless compatibility with Windows software and cloud services means you can integrate it effortlessly into your existing ecosystem. And unlike traditional Windows Server, no Client Access Licenses (CALs) are required, which cuts installation costs today and helps reduce extra f

Specifications

Storage

Storage drive capacity: 4 TB
Storage drive interface: Serial ATA III
RAID support: Yes
RAID levels: 0, 1, JBOD, 5
Storage drives installed: Yes
Total installed storage capacity: 16 TB
Number of storage drives installed: 4
Number of storage drives supported: 4
Installed storage drive type: HDD
Supported storage drive types: HDD

Processor

Processor manufacturer: Intel
Processor family: Intel Atom®
Processor model: C3338
Processor frequency: 2.2 GHz
Processor cores: 2

Memory

Internal memory: 8 GB
Internal memory type: DDR4
ECC: Yes

Network

Ethernet LAN: Yes
Ethernet LAN data rates: 100,1000,10,10000 Mbit/s
Ethernet LAN data rate supported (max): 10000 Mbit/s
Copper ethernet cabling technology: 10GBASE-T, 1000BASE-T, 2.5GBASE-T, 100BASE-TX, 10BASE-T
iSCSI support: Yes
Supported network protocols: TCP/IP

Ports & interfaces

USB port: Yes
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 3
Ethernet LAN (RJ-45) ports: 3

Design

Chassis type: Rack (1U)
Cooling type: Active
Product colour: Black

Performance

Type: NAS
Device class: Small & Medium Business
Backup function: Yes
Security algorithms: SNMP

Software

Operating system installed: Windows Server IoT 2025
Windows operating systems supported: Windows 11, Windows 10, Windows 8.1
Mac operating systems supported: Mac OS X 10.12 Sierra
Server operating systems supported: Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012