Western Digital
Western Digital WDS400T2R0A 4TB WD Red SA500 NAS SSD
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Optimize Your NAS Performance with Reliable SSD StorageThe Western Digital 4TB WD Red SA500 NAS SSD is engineered to boost the performance and responsiveness of your NAS system. Designed for 24/7 operation, this SSD offers superior endurance and efficient caching for demanding applications, ensur...
$999.99*
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*Price sourced from Amazon.com. Last updated:Sep 04, 2026.Price and availability are subject to change — details.
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Overview
Optimize Your NAS Performance with Reliable SSD Storage
The Western Digital 4TB WD Red SA500 NAS SSD is engineered to boost the performance and responsiveness of your NAS system. Designed for 24/7 operation, this SSD offers superior endurance and efficient caching for demanding applications, ensuring reliable storage for both home and business users.
- Capacity: 4TB
- Interface: SATA III 6 Gb/s
- Form Factor: 2.5"/7mm
- Read Speed: Up to 560 MB/s
- NAND: 3D NAND
- Application: NAS Systems
Key Features
Storage optimized for caching in NAS systems to rapidly access your most frequently used files.
Superior endurance can handle the heavy read and write loads demanded by NAS, giving you the reliability you need in a 24/7 environment.
Purpose-built for NAS with proven Western Digital 3D NAND to deliver maximum SATA performance to both home and business users.
Reduces latency and improves responsiveness for OLTP databases, multi-user environments, photo rendering, 4K and 8K video editing, and more.
Available in 2.5” and M.2 form factors to fit the slots in modern NAS systems.
Specifications
Capacity
4TB
Form Factor Options
2.5” and M.2
NAND Technology
Western Digital 3D NAND
Primary Application
NAS Storage Optimized for Caching
Interface
SATA
Environment Suitability
24/7 NAS environments
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Is this SSD suitable for a regular desktop computer?
This SSD is storage-optimized for caching in NAS systems, meaning it's purpose-built for those environments and might not be the most cost-effective or highest-performing choice for a standard desktop.
What kind of performance can I expect in a NAS system with this drive?
It's designed to deliver maximum SATA performance in NAS systems, reducing latency and improving responsiveness for demanding tasks like 4K/8K video editing and multi-user environments.
Does this SSD offer high durability for continuous operation?
Yes, the Western Digital WD Red SA500 NAS SSD features superior endurance designed to handle the heavy read and write loads demanded by 24/7 NAS environments.
What form factors are available for this drive?
The Western Digital WDS400T2R0A is available in both 2.5” and M.2 form factors, allowing it to fit various modern NAS systems.
Is this SSD designed for enterprise-level NAS or also for home users?
It is purpose-built for NAS with proven Western Digital 3D NAND to deliver maximum SATA performance to both home and business users.
What specific benefits does it offer for frequently accessed files?
The storage is optimized for caching in NAS systems to rapidly access your most frequently used files, improving overall system speed.
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