Transcend TS128GSDC340S 340S 128GB SDXC UHS-I U3 V30 A2 - 160 MB/s Read - 90 MB/s Write
Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
Technical Overview
This SDXC card delivers sequential read speeds up to 160 MB/s and write speeds up to 90 MB/s, enabling rapid file transfers between devices and computers. The UHS-I U3 rating guarantees a minimum write speed of 30 MB/s for sustained video recording, while the V30 classification ensures consistent performance for 4K video capture.
The A2 application performance class optimizes the card for use in smartphones and tablets, supporting faster app loading and smoother operation when running applications directly from the storage media. The card's physical design adheres to standard SDXC dimensions, ensuring reliable fit in compatible slots without compatibility issues.
Relevant factors for this section include Storage Capacity, Maximum Read Speed, Maximum Write Speed, Width. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The Transcend 340S combines high-speed performance with reliable storage capacity, making it ideal for content creators who need dependable media for continuous shooting and recording.
High-Speed Transfers
160 MB/s read and 90 MB/s write speeds minimize wait times when moving large photo and video files to your computer or cloud storage.
- Fast offloading of 4K footage
- Quick access to stored media
- Efficient workflow integration
Optimized for Mobile Use
A2 performance class enhances operation in Android devices, allowing apps to run smoothly when installed on the card.
- Faster app launches
- Reduced lag in mobile applications
- Improved multitasking capability
Compact and Lightweight
Weighing only 2 grams with standard SDXC dimensions, this card adds minimal bulk while providing substantial storage expansion.
- Easy portability
- Fits most camera and drone slots
- Minimal impact on device weight
Deployment / Use Cases
This SDXC card is engineered for scenarios where reliable high-speed storage is critical. Its performance characteristics make it suitable for extended recording sessions in action cameras, drones, and digital cameras, where consistent write speeds prevent interruptions during video capture.
Mobile photographers and videographers will appreciate the A2 classification, which improves responsiveness when using the card as expanded storage in smartphones and tablets. The 128GB capacity supports lengthy projects without requiring frequent file management, making it practical for travel, events, and field work where access to computers may be limited.
Action and Drone Videography
Maintains V30-rated speeds for smooth 4K video recording in moving platforms, ensuring footage remains clear and uninterrupted.
Mobile Content Creation
Enhances storage on Android devices for apps, photos, and videos, supporting creators who work directly from smartphones or tablets.
Physical Profile
The card measures 0.94" (24 mm) in width and 1.26" (32 mm) in length, conforming to the standard SDXC form factor for universal compatibility. Its lightweight construction at approximately 2 grams ensures it doesn't add noticeable weight to devices, while the durable build protects data integrity in various environmental conditions.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 0.94" (24 mm), 2 g. This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 0.94" (24 mm)
- Weight
- 2 g
- Length
- 1.26" (32 mm)
Highlights
- 128GB storage capacity for extensive photo and video collections
- 160 MB/s read speed enables fast file transfers to computers
- 90 MB/s write speed supports continuous 4K video recording
- UHS-I U3 rating guarantees minimum 30 MB/s write for video
- V30 video speed class ensures consistent 4K performance
- A2 application performance class optimizes for mobile device use
- Standard SDXC dimensions ensure broad device compatibility
- Lightweight 2-gram design minimizes added bulk
Specifications
| Specifications | |
|---|---|
| Manufacturer | Transcend Information, Inc |
| Manufacturer Part Number | TS128GSDC340S |
| Brand Name | Transcend |
| Product Model | 340S |
| Product Name | 340S 128GB SDXC Card |
| Product Type | SDXC |
| Technical Information | |
| Storage Capacity | 128 GB |
| Maximum Read Speed | 160 MB/s |
| Maximum Write Speed | 90 MB/s |
| Speed Class Rating | UHS-I (U3) |
| Video Speed Class | V30 |
| Application Performance Class | A2 |
| Physical Characteristics | |
| Width | 0.94" (24 mm) |
| Thickness | 82.68 mil (2.10 mm) |
| Length | 1.26" (32 mm) |
| Weight (Approximate) | 2 g |
FAQ
What devices are compatible with this SDXC card?
This Transcend 340S 128GB SDXC card is compatible with any device that supports the SDXC standard, including digital cameras, drones, action cameras, and smartphones/tablets with microSD adapters. The UHS-I U3, V30, and A2 ratings ensure optimal performance in devices designed for high-speed storage media.
How does the A2 performance class benefit mobile users?
The A2 application performance class is specifically designed for use in Android devices. It allows applications to run more smoothly when installed on the card, with faster launch times and improved responsiveness compared to standard storage cards. This makes it ideal for expanding mobile device storage without sacrificing performance.
Is this card suitable for recording 4K video?
Yes, the V30 video speed class guarantees minimum write speeds of 30 MB/s, which is sufficient for recording 4K video at standard frame rates. Combined with the UHS-I U3 rating, it ensures consistent performance during extended recording sessions without dropped frames or buffering issues.
What is the difference between read and write speeds on this card?
Read speed (160 MB/s) refers to how quickly data can be accessed from the card, such as when transferring files to a computer. Write speed (90 MB/s) indicates how fast data can be saved to the card, crucial for recording video or taking burst photos. Both speeds are optimized for efficient workflow in content creation.
How much storage capacity does this card provide?
This card offers 128GB of storage capacity, which can hold approximately 32,000 high-resolution photos or over 10 hours of 4K video, depending on compression settings. This ample space reduces the need for frequent card changes during extended shooting sessions.
What are the physical dimensions and weight of this SDXC card?
The card measures 0.94 inches (24 mm) in width, 1.26 inches (32 mm) in length, and weighs approximately 2 grams. These standard SDXC dimensions ensure it fits properly in compatible device slots, while the lightweight design minimizes added bulk to cameras, drones, or mobile devices.
| Qty | Price | Available |
|---|
