Superior performance for high-end computing: For high-end computing applications like gaming, HD media playback, or creative software, WD Blue solid state drives have the speed you need for the performance you want. Tiered caching technology utilizes SLC (single-level cell) and TLC (triple-level cell) flash technology to enable sequential read speeds of up to 545 MB/s and sequential write speeds of up to 525 MB/s, allowing for fast system boot up, quick application response, and rapid transfer speeds. Leading-edge reliability: With no moving parts, a solid state drive is designed to help protect against data loss if a drive is accidentally bumped or dropped. And with 1.75M hours MTTF (mean time to failure) and an endurance rating of up to 400 TBW (terabytes written), WD Blue SSDs can help guard data for years to come. WD Blue solid state drives also use several leading error-correction technologies to help prevent data loss and provide lasting reliability.