Status: In Stock
  • Support 4KUHD camera, Transportation System, Drive recorders, and Security
  • MLC and TLC Flash (Contact us if you go for SLC)
  • Direct Factory offer on SDXC card
Deals ends in:


Buy Now
Bulk deal
Quantity Discount Discounted price
100 - 500 $0.05 -
501 - 1000 $0.08 -
1001 + $0.12 -
Bulk pricing will be applied to package:
Free shipping
UP to 300pcs
lead time
Free sample
(minimal order quantity)
Product description:
Technical detail
manufacture MRT
Flash Type MLC and TLC
Weight 3g (0.11oz)
Speed 50-70MB/s by Write, 100-150MB/s by Read
Dimension for Standard SD Card 15*11*1 (mm)  / 0.04 x 0.59 x 0.43 inches
Disk system exFAT
Compressed Photos in 10MP Can store nearly 96,000 photos
HD video at 9Mbps over 64 hrs
Operating Temperature 0 to 60 °C (recommended)
Standard SD 3.0
Shipping Time 3 - 5 days by DHL
Custom Sticker Size: 20x25mm (mm)  / 0.78 x 0.98  inches
Testing we have for bulk SDXC 512GB U3
MRT does 100% testing on all memory cards. Main tests are H2test, ATTO test, Aging test and reliability test and backed up with 5 years warranty. Our bulk SDXC cards are using controller to deliver SPI signals to flash media data, it is the way to produce optimized SD cards. In addition, there is power interrupt data protection for 512GB flash cards. It is an advanced function to prevent data loss from unexpected power failure. With these rigorous tests, the MTBF can reach more than 2 million hours.
H2test result for bulk bulk SDXC 512GB U3:
bulk SDXC 512GB U3 Datasheet
product detail

512GB SD Card: This bulk SDXC UHS-3 Card 512GB U3 is powerful in performance, speed, and capacity. To capture every moment in brilliant color and smooth content, SDXC U3 cards are optimized to meet high standard. Therefore, it is ideal for ultra-HD 4K video recording, and will help you create film-quality content. Each 512GB card can store a full 128 hours of 1080p High-Definition digital footage or 32000+ RAW images at up to 1920×1080 pixel resolution and beyond, eliminating the need to switch cards during shooting sessions. 512GB wholesale SDXC card is large enough for your trip. No matter you do shooting in 4K UHD or high-resolution photos, the memory card always has sufficient space to keep you going. In addition, people care more about durability and safety. This flash card is as rugged as rock, your next adventure will be secured by it.

Quality standard
  • Speed:50-70MB/s by Write, 100-150MB/s by Read
  • Package: 50pcs per tray.
  • Standard Packing: Bulk Package
  • Warranty: 5 years
  • Lead Time for Wholesale SDXC Card 512GB: within one day after order Confirmed;
  • Shipping Time: 3 days by DHL.
  • Compliant:Support with SD 3.0, Backwards compatible with SD2.0
  • Security: Built-in Error Correcting Code (ECC) to detect and correct transfer errors
  • Available for ISP to update firmware
  • Customized Service: Support Customized chip, CID registers, Logo printing and Package.
  •  Performance: These Cards are shock proof, x-ray proof, temperature proof and waterproof.
  • Where to USE

    SDXC 512GB we supply can meet UHS-III standard, you can get writing speed at 50MB/s as minimum. This super SDXC Card can perfectly work with sport camera, drone, and camcorder in high resolution. This bulk 512GB SDXC card also support A1 rated performance, any App stored in it is loading fast. Game console and PSP station prefer going for large capacity as 512gb, it is an unlimited access for huge games. Besides it, there is a burst mode for shooting by cameras, U3 card will bring you chance to enjoy stunning shots.

  • Standard:

These Cards are shock proof, x-ray proof, temperature proof and waterproof.

  •  Flash Type:

TLC and MLC (contact us if you have specific demands)

  • Controller for Controller for SDXC 512GB

The stable option is SMI2703/2705 and SanDisk

  • Order Instruction (Buying Guide)
  1. 300pcs order for SDXC 512GB card is free shipping, all the SD card will be packed by tray or bag. You can order online if you accept bulk pack, you can email us if you need own logo or package.
  2. MLC Flash (Contact us if you go for SLC)
1 review for UHD SDXC Card 512GB UHS-3
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1 star
DavisApril 23, 2023
This card tested at 100MB/S Read, so it meets its claim. The 4K speeds are fairly slow at 5MB/s and the sequential write is 25 MB/s which should suffice for most applications. This will work well for most people's needs.
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