Transcend 32GB SDHC Flash Memory Card
Score: 71/100
Lexar High-Performance 633x 256GB
Score: 60/100Rankings
The Transcend 32 GB SDHC card delivers fast 90 MB/s reads and 45 MB/s writes with a mechanical write-protect switch and lifetime warranty. Its limited 32 GB capacity and lack of rugged features make it less ideal for demanding professional or 4K use. Ideal for casual photographers and hobbyists needing reliable Full HD performance.
Lexar's 256 GB 633x microSDXC offers up to 100 MB/s read speed, a V30 rating, and includes a micro-SD to SD adapter for versatile use. Its slower 45 MB/s write speed and lack of waterproofing limit high-end video applications. Suitable for smartphones, tablets and action cameras where large capacity and broad compatibility are priorities.
| Attribute | | |
|---|---|---|
32 GB | 256 GBbest | |
90 MB/s | 100 MB/sbest | |
45 MB/sbest | 45 MB/sbest | |
| ↓ lower better | 2 gbest | 453.6 g |
| ↓ lower better | 2.1 mm | 1.02 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Capacity (GB) | 32 GB | 256 GB |
Performance(4) | ||
Read Speed (MB/s) | 90 MB/s | 100 MB/s |
Speed Class | Class 10 | C10 |
UHS Speed Class | U1 | U3 |
Interface | SD 3.01 | UHS-I |
Design(3) | ||
Form Factor | SDHC | microSDXC |
Weight (g) | 2.0 g | 453.6 g |
Thickness (mm) | 2.1 mm | 1.02 mm |
General(1) | ||
Compatibility | SDHC/SDXC compatible | wide compatibility with any UHS‑I device while remaining backward compatible with Class 10, V10 and U1 standards |
Products in the top-left offer the best value (high score, low price).
Professional reviewers position the Transcend 32GB SDHC as a solid mid-range option, highlighting its Class 10 and UHS-I support for reliable full-HD video and high-speed burst shooting. They commend the 600× speed rating and lifetime warranty, but caution that the limited 32 GB capacity and modest write speeds make it less suitable for 4K workflows or users demanding top-tier performance.
Everyday users consistently value the card's plug-and-play reliability, compact form factor, and the peace of mind provided by the mechanical write-protection switch and lifetime warranty. The main frustrations revolve around the relatively small 32 GB capacity and slower speeds when used in older, non-UHS-I devices.
Professional testing shows the Lexar 633x card delivers real-world read speeds near 97 MB/s and write speeds around 69 MB/s, surpassing its advertised specifications and confirming its suitability for 4K video capture. Reviewers acknowledge its solid mid-range performance but point out that newer Lexar BLUE models provide higher peak speeds, making the 633x less compelling for users seeking top-tier throughput.
Everyday users praise the large 256 GB capacity, the included SD adapter for easy file transfer, and the peace of mind from the lifetime warranty. They also highlight the card's reliable 4K video performance and compatibility with a wide range of devices. However, some users note the write speed feels modest compared to newer offerings, and the lack of UHS-II support limits its appeal for high-end professional use.
