The SSD simpletek Ace A55 from 4TB (model code: SP004TBSS3A55S25) is the ideal solution to give a new life to your fixed computer or notebook, eliminating the typical slowdowns of old mechanical discs. Using the Serial ATA III 6Gb/s interface and advanced 3D NAND Flash technology, this solid-state disc offers reading speeds of up to 500 MB/s and writing up to 450 MB/s, ensuring fast operating system alerts and instant application uploads. Advanced Performance and Reliability 3D Technology NAND: It ensures higher storage density, superior stability and high durability over time. Bad block management (BBM): The integrated mechanism automatically detects and isolates faulty blocks to prevent data loss and secure access. ECC and S.M.A.R.T. technology: The error correction system (ECC) combined with S.M.A.R.T. monitoring protects the integrity of transmitted data and constantly monitors the health of the unit. Internal Auto-Copy Technology: Optimize overall efficiency by reducing the workload of the controller and internal cache memory during data transfer. Lightweight and resistant design With a weight of just 63 grams and an ultra-thin thickness of only 7 mm (standard 2.5 inch format), the A55 fits perfectly to any thin laptop or desktop PC. The absence of mechanical parts in motion makes it highly impact resistant (up to 1500G) and vibrations, protecting your data even when moving. Specifications Main Techniques Capacity: 4000 GB (4TB) Interface: Serial ATA III Reading Speed: Up to 500 MB/s Writing Speed: Up to 450 MB/s MTBF (Middle time between faults): 1.500.000 hours Working voltage: 5V Environmental certifications: EC, FCC, RoHS