WD Red SA500 4TB 2.5" SATA SSD

This WD Red SA500 internal solid-state drive is engineered specifically for Network Attached Storage (NAS) environments requiring 24/7 operation and sustained performance. Its standard 2.5-inch form factor and SATA III interface ensure compatibility across a wide range of popular NAS enclosures and systems. The drive utilizes 3D NAND flash technology designed to optimize continuous caching duties and high-demand multi-user applications while managing power efficiency.

The 4000 GB capacity provides substantial storage for media libraries, backups, or archival duties within the NAS array. Performance specifications include sequential reading speeds up to 560 MB/s and sequential writing speeds up to 520 MB/s, supporting rapid data access within the network. This model carries an endurance rating of 2500 TBW, positioning it for reliable service during prolonged caching and continuous write operations in professional or prosumer setups.

• Storage capacity: 4000 GB
• Form factor: 2.5 inches with 7 mm height
• Interface: SATA 6 Gbit/s data transfer rate
• Target workload: NAS environments
• Random read performance: 87,000 IOPS
• Random write performance: 83,000 IOPS
• NAND flash type: 3D NAND construction
• Mean Time Between Failures (MTBF): 2,000,000 hours
• Operating shock resistance: 1500 G
• SMART monitoring support enabled
• Device Sleep (DEVSLP) power efficiency support