- Description
- Specifications
NAS-Grade Endurance for an Always-On System
A NAS never really powers down, and a drive that is not built for that constant read and write load becomes the weak point. The WD Red SA500 2TB is engineered for exactly that duty: a NAS-optimized SATA SSD rated for 24/7 operation, with high endurance and fast caching that keep an always-on array responsive under sustained load. Explore more Western Digital storage or browse other solid state drives.
Ideal Deployments
The SA500 is purpose-built for network-attached storage, where it works well as a dedicated caching tier or as a full SSD array in small-business and home NAS units. Its endurance and consistent performance suit RAID configurations, OLTP databases, multi-user file shares, photo rendering, and 4K and 8K video editing, the kinds of sustained workloads that wear out consumer drives never rated for continuous use.
What It Delivers
- 2TB of NAS-rated storage: built on Western Digital 3D NAND for dependable capacity across large, active file libraries.
- 1300 TBW endurance: handles the heavy, sustained read and write cycles of a 24/7 NAS environment.
- Up to 560 MB/s read and 520 MB/s write: sequential speeds over the SATA III 6Gb/s interface for fast access to frequently used content.
- Random performance of 87,000 read and 83,000 write IOPS keeps multi-user workloads responsive.
- Standard 2.5-inch, 7mm form factor drops into NAS bays, desktops, and laptops without adapters.
What Is the Difference Between WD Blue and WD Red SSDs?
The WD Red SA500 is designed and tested specifically for network-attached storage, so it is rated for 24/7 operation and tuned for the high-endurance caching and RAID workloads a NAS demands. WD Blue drives target everyday desktop and laptop computing, where the system is not running around the clock. If your drive lives inside an always-on NAS, the Red SA500 is the model matched to that job.
