Transcend JF920 128GB Gray
Score: 84/100
SanDisk Extreme PRO 512GB
Score: 89/100Rankings
The SanDisk Extreme PRO 512 GB USB-A flash drive delivers top-tier performance with up to 1000 MB/s read and 900 MB/s write speeds in a lightweight aluminum body. Its speed is lower than newer Gen 2 USB-C drives and it only offers a USB-A connector, which may limit compatibility with modern devices. Suited for professionals needing fast, high-capacity portable storage.
The Transcend JetFlash 920 128 GB drive delivers high-speed transfers up to 420 MB/s read and 400 MB/s write in a rugged aluminum case. Its performance is offset by a USB-A-only interface and lack of verified benchmark data. Ideal for photographers and videographers who prioritize speed and durability.
| Attribute | | |
|---|---|---|
128 GB | 512 GBbest | |
420 MB/s | 1,000 MB/sbest | |
400 MB/s | 900 MB/sbest | |
| ↓ lower better | 10 gbest | 27.22 g |
5 yearsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Storage(1) | ||
Storage Capacity (GB) | 128 GB | 512 GB |
Performance(2) | ||
Read Speed (MB/s) | 420 MB/s | 1000 MB/s |
Write Speed (MB/s) | 400 MB/s | 900 MB/s |
Connectivity(2) | ||
USB Version | USB 3.2 Gen1 | USB 3.2 Gen 1 |
Interface Type | Type-A | USB‑A |
Build & Design(3) | ||
Weight (g) | 10 g | 27.22 g |
Dimensions (L×W×H) (mm) | 62x20x7.8 mm | 71.12×21.08×10.92 mm mm |
Material | Aluminum | Metal |
General(1) | ||
Warranty (years) | 5 years | lifetime years |
Products in the top-left offer the best value (high score, low price).
No detailed professional reviews were found in the sources; retailer listings emphasize the drive's high advertised speeds, durable metal housing, and suitability for 4K video transfers, positioning it as a premium portable storage option.
User reviews and ratings were not present in the gathered data, so common praise or recurring complaints from everyday consumers cannot be determined.
Professional reviewers commend the Extreme PRO 512GB USB-A for its solid-state reliability, fast 420/380 MB/s performance, and useful RescuePRO recovery software, while noting its speed falls short of newer Gen 2 models and its plastic build feels less premium.
Consumers generally praise the drive's rapid backups, large capacity, and cross-device compatibility, though the scarcity of reviews leaves some buyers uncertain about long-term durability.
