Cross Platform Disk Test score Read: 90.51 MB/s Write: 57.42 MB/s with a Lexar 633X 64GB

Information Detail

The Lexar High-Performance 633x 64GB microSDXC is a high-grade memory card designed to provide fast data transfer speeds and reliable performance, especially for users who frequently handle large multimedia files. With UHS-I U1/U3 and V30 class speeds, as well as a 633x rating, the card offers read speeds of up to 100MB/s which is ideal for Full HD to 4K UHD video recording, high-resolution photography, and heavy application usage on Android devices.

The microSD card also has an A1 rating for app performance, which enables faster app loading times and more responsive multitasking on mobile devices. Compatibility is broad, supporting various types of devices such as smartphones, action cams, drones, tablets, and other recording devices. For more flexible use, Lexar also includes an SD adapter in the sales package so that the card can be used easily with DSLR cameras or laptops that have full SD slots.

Another advantage lies in physical durability. The Lexar 633x is designed to waterproof, extreme temperature resistant, shockproof, and X-ray resistant standards, making it a great choice for outdoor use or rugged field conditions. This card is perfect for content creators, travelers, and gamers who need large-capacity yet reliable storage.

Testing was conducted using a Lenovo IdeaPad Slim 3i 14ITL6 device with Intel Core i5-1135G7 processor, NVIDIA MX350, 12GB DDR4 3200MHz RAM, and Windows 11 Home 23H2 operating system. Testing also utilized a Lexar RW450 (rev B) card reader with GL3231S controller, using factory default conditions (exFAT file system, Quick Removal). In the CrystalDiskMark benchmark, the card recorded a read speed of 87.70 MB/s and write speed of 58.83 MB/s, confirming its performance claim as one of the fastest microSDs in its class.

Overall, the Lexar High-Performance 633x 64GB offers a combination of high speed, physical durability, and sufficient capacity to meet the storage needs of multimedia, gaming, and heavy applications on modern mobile devices. If you are looking for a microSDXC card with stable performance and ready to be used in various conditions, the Lexar 633x 64GB is a highly recommended choice.

Device Test (Testbed):

Device: Lenovo IdeaPad Slim 3i 14ITL6
Device Specs: i5-1135G7, NVIDIA MX350, 12GB RAM 3200MHz (4+8), 512GB NVMe SSD, USB 3.1 Gen 1, Windows 11 Home 23H2
Card Reader: Lexar RW450 rev B (GL3231S Controller)
Room Temperature: 30 celcius based on DHT11 Sensors

* This experiment is run when the item is newly purchased, no files condition (0% usage), exFAT file system (default), Device Manager Policy: Quick Removal (Default).