StorageReviews

Lexar Professional SILVER Series 1066X microSDXC

Capture your adventures in 4K UHD

Testing

 

Test Platform:
CPU       Intel Core i9-10900k
Mobo    Asus ROG Strix Z490-I Gaming
RAM      32GB HyperX Fury RGB
GPU       Nvidia RTX 2080Ti FE
OS SSD  Samsung 960 Pro 2TB

 

Windows

Lexar Professional SILVER Series 1066X microSDXC 1

Lexar’s Pro Silver Series MicroSD card comes formatted as exFAT and has about 236GB of free space available after formatting. ExFAT is very well supported and should be ready to go for the vast majority of devices without needing to format from the device first.

 

CrystalDiskMark 7.0

“CrystalDiskMark is designed to quickly test the performance of your hard drives. Currently, the program allows measuring sequential and random read/write speeds.”

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CrystalDiskMark shows around 155MB/s reads and around 121MB/s in real-world testing at QD1. Latency is pretty decent for a memory card, and random 4K performance is decent as well. You could easily use the Lexar Pro Silver series in a RaspberryPi or similar as well.

 

ATTO Disk Benchmark

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Atto gives us 145-150MB/s on reads and 116-117MB/s writes and is very consistent.

 

Anvil’s Storage Utilities

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Anvil Shows similar speeds but gives a closer look at latency and IOPS capabilities, which are a pretty solid result for the Lexar Professional Silver series Memory card.

 

Black Magic Disk Speed Test

Disk Speed Test is an easy to use tool to quickly measure and certify your disk performance for working with high-quality video! Simply click the start button and Disk Speed Test will write test your disk using large blocks of data, and then display the result. Disk Speed Test will continue to test writes and reads from your disk so you can evaluate both performance and readability over time.

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BlackMagic’s Disk Speed test is intended more to check drive speeds against raw video formats from professional cameras but doesn’t really test compressed formats like you would get from a drone saving to MPEG or AVI type video.

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Most memory cards do pretty well but let’s fill it up to about 90% and see how it handles it. It took a few minutes to dump around 212GB of random stuff from our Steam library onto the drive, but it held a pretty flat 110-115MB/s the entire time which is a really good sign.

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CrystalDiskMark only drops a little bit, but still holds on to around 130/110MB/s Reads and Writes respectively.

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Atto shows the Lexar Professional Silver series MicroSD card holding on to around 104MB/s writes even when 90% full, pretty great!

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