4TB, Samsung QVO V-NAND, 2.5'. 7mm, SATA III 6GB/s, R/W(Max) 550MB/s/520MB/s, up to 1,440TBW, 3 Years Warranty General Feature Application Client PCs Capacity 4,000 GB (1 GB=1 Billion byte by IDEMA) Form Factor 2.5 inch Interface SATA 6 Gb/s Interface, compatible with SATA 3 Gb/s & SATA 1.5 Gb/s interface Dimension (WxHxD) 100 X 69.85 X 6.8 (mm) Weight Approx. 51.0g Weight Storage Memory Samsung V-NAND 4bit MLC Controller Samsung MJX Controller Cache Memory Samsung 1 GB Low Power DDR4 SDRAM Special Feature TRIM Support TRIM Supported S.M.A.R.T Support S.M.A.R.T Supported GC (Garbage Collection) Auto Garbage Collection Algorithm Encryption Support AES 256-bit Encryption (Class 0),TCG/Opal, IEEE1667 (Encrypted drive) WWN Support World Wide Name supported Device Sleep Mode Support Yes Performance Sequential Read Up to 550 MB/s Sequential Read * Performance may vary based on system hardware & configuration Sequential Write Up to 520 MB/s Sequential Write * Performance may vary based on system hardware & configuration ** Measured with Intelligent TurboWrite technology being activated Random Read (4KB, QD32) Up to 96,000 IOPS Random Read * Performance may vary based on system hardware & configuration ** Measured with Intelligent TurboWrite technology being activated