Customer reviews from Lexar International
Lexar - 640GB Professional GOLD CFexpress 4.0 Type A Memory Card
Average customer rating
5
(81 Reviews)
Rating breakdown 81 reviews
5 Stars
77
4 Stars
4
3 Stars
0
2 Stars
0
1 Star
0
Customer Reviews for Lexar - 640GB Professional GOLD CFexpress 4.0 Type A Memory Card
Customer Rating
5
Works great!
on June 5, 2026
Posted by: ArielS
[This review was collected as part of a promotion.] High performance storage solution. Delivers high speed and works reliably. Handles high bit rate footage with ease. No stuttering. Feels durable. Compatible with a lot of products. An all around winner!
Written by a customer while visiting Lexar International
Customer Rating
5
Fast, reliable, and durable memory card
on June 5, 2026
Posted by: RobertM
[This review was collected as part of a promotion.] I’ve been using this memory card for my drone and it has been performing flawlessly. The write speeds are incredibly fast, allowing me to record high resolution footage without any dropped frames or buffering issues. Also, the 250 GB capacity provides plenty of space for multiple flights and the reliability has been amazing.
Written by a customer while visiting Lexar International
Customer Rating
5
Perfect for content creators!!!
on June 3, 2026
Posted by: TaquesttaN
[This review was collected as part of a promotion.] I have a dji osmo pocket 3 which requires a mini sd card. However, receiving this SD card is perfect because it has 256GB that I can use to transfer content over from my mini SD card with a card reader. I love to vlog my trips and taking this on the road with me will be perfect because it’s small and came with a storage case.
Written by a customer while visiting Lexar International
Customer Rating
5
Perfect for photo shoots
on June 2, 2026
Posted by: SamanthaS
[This review was collected as part of a promotion.] So I already needed a new SD card for my camera as we have a photoshoot coming up. This is the largest amount of storage I’ve owned for an SD card. I can’t wait to fill it up with our family photos.
Written by a customer while visiting Lexar International
Customer Rating
5
Super fast CF Card, just the right size.
on May 30, 2026
Posted by: BrunoB
[This review was collected as part of a promotion.] This CF card is great! I put it in my Sony and it recorded everything I threw at it with no delays. Super fast card and a great size. 256GB is just perfect where it can hold the right amount of data. Bigger cards you have to wait longer for the files to transfer over to a computer. This way it’s a faster transfer. Plus a 256GB card is so affordable you can just keep the data on the card and buy a new one.
Written by a customer while visiting Lexar International
Customer Rating
5
Fast, reliable, and perfect for demanding photo and video workflows.
on May 28, 2026
Posted by: BrendanC
[This review was collected as part of a promotion.] I’ve been using this card for high resolution photos and 4k video work, and the performance has been excellent. Write speeds are fast and consistent, allowing quick buffer clearing and smooth recording without dropped frames. The card feels well built, lightweight, and durable. I also noticed it stay relatively cool during extended outdoor shooting sessions. Thickness is thin for storage.
Written by a customer while visiting Lexar International
Customer Rating
5
Love this fast and spacious memory card!
on May 23, 2026
Posted by: catO
[This review was collected as part of a promotion.] Super fast card with tons of space perfect for my Sony a7 iv. Now I’m never worried about running out of memory for photos and video! No latency. No errors. Didn’t even need to reformat but I did out of best practice!
Written by a customer while visiting Lexar International
Customer Rating
5
It is incredibly fast
on May 22, 2026
Posted by: LicettP
[This review was collected as part of a promotion.] The 256gb capacity gives me plenty of space for all my content, and transferring files to my computer is super quick, which saves me so much time. Reliable, fast, and perfect for content creators!
Written by a customer while visiting Lexar International