
Transcend 128GB Micro SD Card
Score: 82/100
SanDisk Extreme PRO 128GB
Score: 84/100Rankings

The SanDisk Extreme PRO 128 GB SDXC offers top-tier read performance and rugged durability, making it ideal for 4K UHD shooting and burst photography. Its write speed is modest for sustained high-bitrate video and it carries a premium price. Best suited for professionals needing reliability and fast off-loads without UHS-II support.

The Transcend 128 GB microSDXC card offers high endurance and fast read speeds, making it ideal for dashcams and continuous Full HD recording. Its write speed falls short of U3/V30 standards, limiting 4K performance. Best suited for users needing rugged, long-life storage in harsh environments.
| Attribute | ![]() | ![]() |
|---|---|---|
128 GBbest | 128 GBbest | |
100 MB/s | 200 MB/sbest | |
85 MB/s | 90 MB/sbest | |
| ↓ lower better | 0.4 gbest | 2 g |
5 yearsbest | — | |
| ↓ lower better | 1 mmbest | 2.3 mm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(4) | ||
Read Speed (MB/s) | 100 MB/s | 200 MB/s |
Write Speed (MB/s) | 85 MB/s | 90 MB/s |
Speed Class | U1 | Class 10 |
UHS Speed Class | UHS-I | U3 |
Design(3) | ||
Form Factor | microSDXC | SDXC |
Weight (g) | 0.4 g | 2.0 g |
Thickness (mm) | 1 mm | 2.3 mm |
General(2) | ||
Warranty (years) | 5 years | lifetime years |
Certifications | CE, UKCA, FCC, EAC, RCM | CE, FCC, C-Tick/RCM, UKCA, EAC, ICES |

Products in the top-left offer the best value (high score, low price).

Professional reviewers and editors consistently commend the Transcend 128 GB endurance card for its rugged build, extreme temperature tolerance, and impressive 30,000-hour video endurance, noting that its 100 MB/s read and ~45 MB/s write speeds are adequate for continuous Full HD dashcam and security-camera workloads.
Everyday customers echo the professional praise, highlighting the card's durability in dashcams and security cameras and its ability to record long stretches of Full HD video without failure.

“built to last”

“decent 40ish MB/s write speed”

“perfect for 4K shooting and burst mode”




Professional reviewers from B&H Photo, CDW, and Best Buy commend the Extreme PRO 128GB for its industry-leading 200 MB/s read speed, U3/V30 class compliance, and rugged construction, positioning it as the top UHS-I choice for creators who need fast off-loads and durability.
Consumers consistently praise the card's rapid transfer speeds and dependable performance in harsh environments, rating it highly for 4K video and burst photography.