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SKU: 12304743734

Transcend TS512GUSD300S-A,512GB microSD w/ adapter UHS-I U3 A1

Sale price$29.67 Regular price$32.97
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Ships within 48 hours · Estimated delivery Sep 7 - Sep 12

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Description

Transcend TS512GUSD300S-A,512GB microSD w/ adapter UHS-I U3 A1USD300S Want to save space on your mobile device by running apps from a memory card? Transcend's microSDXC SDHC 300S cards are the right choice! Compliant with the latest speed class, the cards boast excellent random read write speed, perfect for retrieving small pieces of data from random locations and speeding app launch time. A good fit for mobile app storage Its common for users to install and run mobile apps from microSD cards in order to free

USD300S

 

Want to save space on your mobile device by running apps from a memory card? Transcend's microSDXC/SDHC 300S cards are the right choice! Compliant with the latest speed class, the cards boast excellent random read/write speed, perfect for retrieving small pieces of data from random locations and speeding app launch time.

 


A good fit for mobile app storage

 

It’s common for users to install and run mobile apps from microSD cards in order to free device memory. Random read/write performance is thus crucial. Transcend's microSDXC/SDHC 300S memory cards are a great fit for storing mobile apps.

 

Introducing Application Performance Class

 

The Application Performance Class was introduced to adapt this new trend. Transcend's microSDXC/SDHC 300S memory cards meet the new A2 standards, delivering minimum random read of 4,000 IOPS and random write of 2,000 IOPS, and sustained sequential speeds of at least 10MB/s.

A2 compliance applies only to 1TB capacity card.

 


Show the transfer capabilities

 

Transcend's microSDXC/SDHC 300S memory cards meet both the UHS Speed Class 3 (U3) and the UHS Video Speed Class 30 (V30) standards for 4K Ultra HD video recordings, with read/write speeds of up to 100MB/s and 85MB/s respectively.

U3 and V30 compliance applies only to 128GB-1TB capacity cards.

 

Store as many as you wish

 

In addition to excellent random read/write performance, Transcend's microSDXC/SDHC 300S memory cards come in up to 1TB storage capacity, allowing you to keep more digital files and apps at hand!

 

Built for extremes

 

To deliver the best performance and stability, Transcend's microSD memory cards are tested to withstand extreme conditions. They are temperature resistant, waterproof, shock proof, X-ray proof, and static proof.

 

RecoveRx software

 

Transcend offers exclusive RecoveRx software, a free data recovery utility that allows you to search deep within a storage device for traces of erased files including digital photos, documents, music and videos.

Learn more

 

Specifications

Appearance

Dimensions 11 mm x 15 mm x 1 mm (0.43" x 0.59" x 0.04")
Weight 0.4 g (0.01 oz)

Storage

Capacity
  • 4 GB/
  • 8 GB/
  • 16 GB/
  • 32 GB/
  • 64 GB/
  • 128 GB/
  • 256 GB/
  • 512 GB/
  • 1 TB
Flash Type
  • 3D NAND flash
  • 2D NAND flash

Operating Environment

Operating Temperature -25°C (-13°F) ~ 85°C (185°F)
Operating Voltage
  • 2.7V ~ 3.6V

Performance

Speed Class
  • UHS-I U3
  • UHS-I U1
  • Class 10
  • V30
  • A1
  • A2
Sequential Read/Write (CrystalDiskMark)
  • 1 TB
    Up to 100/85 MB/s
  • 512 GB
    Up to 100/85 MB/s
 
  • 256 GB
    Up to 100/40 MB/s
 
  • 128 GB
    Up to 100/35 MB/s
 
  • 64 GB
    Up to 100/20 MB/s
 
  • 32 GB
    Up to 100/20 MB/s
 
  • 16 GB
    Up to 95/10 MB/s
 
  • 8 GB
    Up to 20/10 MB/s
 
  • 4 GB
    Up to 20/10 MB/s
Insertion/Removal Cycles 10,000
Note
  • Speed may vary due to host hardware, software, usage, and storage capacity.

Warranty

Certificate
  • CE/
  • UKCA/
  • FCC/
  • EAC/
  • RCM
Warranty
  • Five-year Limited Warranty
Warranty Policy
  • Please click here for more information about the Transcend Warranty Policy.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 12304743734

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4.6 ★★★★★
Based on 7 reviews
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Product Reviews
B
Beth and Tom
Port Orchard, US
★★★★★ 5
A Polished Leather Tote That Looks Right at Home in the Office 👜
Color: Coffee, Color: Coffee
This leather tote has a really beautiful, structured look that feels both classic and professional. The leather has that rich, slightly vintage finish that gives it character, and the shape holds nicely whether it’s carried by the top handle or worn with the shoulder strap. I actually got this for my daughter-in-law, who is a trial attorney and needs something that looks polished and put-together in court, and this bag really delivers that look. It’s roomy enough to carry her essentials comfortably, and the zip-top closure keeps everything secure. The interior is thoughtfully laid out with pockets that make it easy to stay organized without digging around, and the bag itself feels sturdy without being overly heavy. It works just as well for everyday use, but definitely has that elevated, professional style that makes it stand out a bit more than a typical tote. ⭐ Bottom Line: A structured, professional-looking leather bag that combines style, organization, and everyday functionality—great for work, commuting, or anyone who wants a polished look.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
V
Verified Purchase
Vaishali Gajjar
Louisville, US
★★★★★ 1
Poor quality
Color: Coffee
Zipper broke within 15 days of use
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
C
C. J. B.
Birmingham, US
★★★★★ 5
Real leather, soft and lightweight
Color: Brown, Color: Brown
This medium sized leather tote bag is well made, with tight stitching; heavy duty, gunmetal colored hardware; and a thick, dark gray fabric lining on the inside. There are 2 short, rounded handles that do not fold down, and a narrow, flat, detachable crossbody strap that can be adjusted in length. The style is simple and classic, with a hand-dyed brown finish that will go well with most outfits. It's versatile, being suitable for work or everyday use. It can carry a small laptop or tablet, along with other essential items. There are no outside pockets, but inside there are several. The central compartment is spacious, with 2 slip pockets on one side. There are also 2 zippered pockets, with a large open pocket separating them. The top of the bag has a full, metal zipper that seems good quality. This bag is very attractive as well as functional, and though the leather feels lightweight the bag seems durable. Its listed price is a little high for my budget, but a coupon offer currently makes it a good value. I was very surprised that there is no logo or branding of any kind visible on the outside of this bag, and only one name label stitched to a pocket on the inside. Many bags I see have prominent names, symbols, or initials on the outside, and sometimes all over the inside lining as well. The simplicity of this bag is a refreshing change as it lets the quality speak for itself. I like it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 5, 2026
C
Cassandra Complex
Boise, US
★★★★★ 3
Great bag
Color: Brown, Color: Brown
This is a wonderful leather bag. It can be carried by handles or worn crossbody. It fits my 13" MacBook Pro perfectly though it doesn't have any particular padding to protect a laptop. I have a couple of nitpicks though for a bag that costs $98. 1/It's a shame that the handles can't lay down or disappear in some way when not in use. They just look a little goofy when you wear the bag across your body. And 2/the stitching is a little weird. The exterior shows the stitching for the inside pocket and I don't know that it's necessary. All in all it's a good bag but if I could return it I would consider doing so because of the way the handles stick up when worn crossbody. I do think, ultimately that's a dealbreaker for me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 23, 2025
K
Kathy
Chelsea, US
★★★★★ 5
This Bag Is Unbelievable - Serious Business
Color: Brown, Color: Brown
I’m a self-admitted bag enthusiast, and this one genuinely surprised me. I wasn’t familiar with the brand, but the quality is immediately apparent. The leather is soft yet substantial, giving it a premium feel without seeming fragile or flimsy. The stitching is impeccable, and the front and back are cleanly designed with no unnecessary frills—just a timeless, well-constructed silhouette. It’s the kind of bag that people notice, whether you’re carrying it or someone sees it from across the room. The strap was neatly packaged inside, and everything arrived in perfect condition. I looked it over carefully and couldn’t find a single flaw. In my opinion, this is a near-perfect everyday bag and an impressive value for the quality. *** Photos are front of bag (same as back), side of bag & bottom of bag. As you can see the stitching, as well as everything else, is quite impressive. Love this bag!
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Reviewed in the United States on December 30, 2025

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