FeatureMore stable performance?An industry-leading 1.75M hours Mean Time To Failure (MTTF) and several error-correction technologies for lasting reliability. KUIJIA SSD has read speeds of up to 540MB/s and write speeds of up to 500MB/s for faster application response times and boosted transfer speeds. you get the speed to easily run high-end applications like video games, HD media players, or creative software. Optimized for multitasking to simultaneously run resource-heavy applications without system slow-down.KUIJIA SSD go through extensive compatibility and reliability testing, and are certified by DF FIT Labs to work with a wide range of desktop and laptop computers. 3-year warranty.We provide a better warranty than the Amazon policy system, from the date of purchase of the product within 3 year of any failure, free replacement of new products About US: KUIJIA SSD has read speeds of up to 540MB/s and write speeds of up to 500MB/s for faster(Machines with different configurations can vary in speed)application response times and boosted transfer speeds. you get the speed to easily run high-end applications like video games, HD media players, or creative software. Our products using original MLC chip,An industry-leading 1.75M hours Mean Time To Failure (MTTF) and several error-correction technologies for lasting reliability. Optimized for multitasking to simultaneously run resource-heavy applications without system slow-down.KUIJIA SSD go through extensive compatibility and reliability testing, and are certified by DF FIT Labs to work with a wide range of desktop and laptop computers. Product Specification: Interface: SATA2.5/ mSATA/PCIe NVMe/ M.2（2242 2260 2280） Flash Memory: Tier-1 3D TLC or MLC flash Drive: TRIM command, S.M.A.R.T. monitor system, ECC technology Certification: TAA, RoHS, FCC, CE,WWN Operating Temperature: 0℃–70℃ Storage Temperature: -40℃–85℃Details About the Speed:The speed of our SSD is: (for 2.5″sata, msata, M.2 (2242 2260 2280) interface)32GB read 200MB/s write 140MB/s60GB read 400MB/s write 180MB/s64GB read 400MB/s write 180MB/s120GB read 500MB/s write 420MB/s128GB read 500MB/s write 420MB/s240GB read 550MB/s write 450MB/s250GB read 550MB/s write 450MB/s256GB read 550MB/s write 450MB/s480GB read 570MB/s write 500MB/s500GB read 570MB/s write 500MB/s512GB read 570MB/s write 500MB/s1 TB read 580MB/s write 530MB/s Be careful:Before choosing the product, please confirm the appropriate size of your equipment: 22*42mm or 22*80mm! Part of the machine model for KUIJIA NGFF SSD: HP:Chromebook 14; EliteBook: 820 G1, 840 G1, 850 G1; EliteBook Revolve: 810 G2;ProBook: 430 G1, 430 G2, 450 G2, 640 G1, 650 G1;ZBook 14 LENOVE: G410, G710, V4400u; Essential: B5400, M5400;Flex, Flex 2, Flex 14, Flex 15; IdeaPad: L440, L540, U330, U410, U430, U530, Y410p, Y510p;ThinkPad: S431, S531, S540, T431s, T440, T440P, T440s, T540, T540p,W540, X240;ThinkPad Edge: E431, E440, E531, E540; ThinkPad Yoga;ThinkPad S3;K4450, K2450;LENOV: X240S Acer Chromebook: C720,C720 Core i3 (C720-3871) ASUS Chromebox ASUS ROG: G750JH, G750JX SONY:VAIO PRO 13 Series, VAIO DUO 13 Series