Transcend 128GB SDXC 300S Memory Card UHS- I, C10, U3, V30, 4K, Full HD, Up to 95/40 MB/s
Transcend 128GB SDXC memory card with up to 95MB/s read speed and 40MB/s write speed, ideal for digital cameras. UHS-I, Class 10, U3, V30 compatibility
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Transcend 128GB SDXC 300S Memory Card – Unmatched Performance for Modern Creators
The Transcend 128GB SDXC 300S is engineered to meet the demanding needs of photographers, videographers, and content creators who require reliable, high‑speed storage. With a robust combination of UHS-I U3, Class 10, and V30 Video Speed Class, this memory card delivers exceptional read and write speeds that keep pace with the latest 4K and Full HD recording standards.
Key Technical Specifications
- Capacity: 128 GB (131,072 MB)
- Form Factor: SD Card (SDXC interface)
- Dimensions: 32 mm × 24 mm × 2.1 mm
- Read Speed: Up to 95 MB/s
- Write Speed: Up to 45 MB/s
- Video Speed Class: V30 (supports 4K video recording at 30 fps)
- UHS Speed Class: U3 (ensures sustained write speeds of 30 MB/s or higher)
- Operating Temperature: –25 °C to +85 °C
- Voltage Range: 2.7 V to 3.6 V
- Weight: 0.002 kg (negligible impact on device balance)
- Certification: CE, FCC, BSMI compliant
Why the 300S Stands Out in the SDXC Market
The Transcend 300S line is specifically designed for high‑performance applications. Its UHS-I U3 interface guarantees that even the most demanding recording devices—such as action cameras, drones, and professional DSLR/ mirrorless bodies—can fully exploit its speed potential without buffering or dropped frames.
With a V30 Video Speed Class, the card is certified to sustain 30 Mbps video streams, making it ideal for:
- 4K Ultra HD recording at 30 fps with minimal latency.
- Full HD 1080p capture at high bitrates (up to 60 fps).
- 360° and VR video where continuous write performance is critical.
Durability and Reliability
The card’s TLC NAND flash memory offers a balance between cost, capacity, and endurance. Coupled with Transcend’s rigorous quality control, the 300S delivers:
- A five‑year limited warranty, reflecting confidence in long‑term reliability.
- Resistance to extreme temperatures, ensuring stable operation from –25 °C up to +85 °C—ideal for outdoor shoots and harsh environments.
- Robust construction that withstands frequent insertion and removal cycles without data corruption.
Compatibility Across Devices
The Transcend 128GB SDXC 300S is fully compatible with any device supporting the SDXC standard, including:
- Professional DSLR and mirrorless cameras (Canon EOS R series, Sony Alpha, Nikon Z).
- High‑definition video recorders and camcorders.
- Drones equipped with 4K or higher recording capabilities.
- Action cameras such as GoPro HERO series.
- Smartphones and tablets that support SDXC via adapters.
Optimized for Speed and Efficiency
The card’s 95 MB/s read speed allows rapid transfer of large media files to editing workstations, reducing bottlenecks during post‑production. The sustained write speed of 45 MB/s ensures that high‑resolution footage is written without interruption, preserving frame integrity.
Because the card adheres to the UHS-I U3 standard, it maintains a minimum write performance of 30 MB/s, which is essential for:
- Continuous 4K recording sessions lasting several minutes.
- High‑speed burst photography where thousands of images are captured in seconds.
- Simultaneous audio and video capture without data loss.
Design and Build Quality
The sleek black finish not only looks professional but also helps dissipate heat during intensive use. Its compact dimensions (32 mm × 24 mm × 2.1 mm) fit comfortably into standard SD card slots without adding bulk.
Ideal Use Cases
Whether you’re a hobbyist capturing family moments or a professional shooting commercial content, the Transcend 128GB SDXC 300S excels in:
- 4K video production for film and television.
- Live streaming where low latency is critical.
- High‑resolution photography requiring rapid image transfer.
- 360° VR content creation with continuous data streams.
- Action sports footage that demands high write endurance.
Conclusion: The Ultimate Choice for High‑Performance Storage
The Transcend 128GB SDXC 300S Memory Card combines speed, capacity, and durability in a single, compact package. Its adherence to the latest UHS-I U3, Class 10, and V30 standards makes it the go‑to solution for anyone who needs reliable storage that can keep up with modern recording demands.
With its proven performance across a wide range of devices and environments, this memory card is an indispensable tool for creators seeking to capture every moment without compromise.
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| Tags | SD card Flash Card Transcend 128GB Transcend 128GB SDXC Memory Card UHS 10 UHS-I Ideal for Digital |
| Identifiers | |
| Brand |  Transcend is a brand that specializes in memory storage products. They make a wide variety of products, from SD cards to hard drives, that are designed to help people store and back up their data. They are a well-known and respected brand in the tech industry, and their products are known for their quality and reliability. |
| Model | Transcend TS128GSDC300S |
| MPN | Transcend TS128GSDC300S |
| ID | 10108179 |
| Dimensions / Weight | |
| Key Features | |
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Case colour The colour or combination of colours that a product’s outer shell or enclosure is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the case for consumers.
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Black |
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Depth The linear measurement of an object from front to back or top to bottom, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the item is and can be used for fitting, compatibility, or spatial planning.
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2.4 cm |
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Disk Capacity The total amount of digital storage that a disk drive—whether internal or external—can hold, expressed as a numeric value with an appropriate unit such as GB, MB, or TB. This attribute helps users understand how much data can be stored on the device and compare different drives.
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128 GB |
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Encryption Indicates the cryptographic method or algorithm used to protect data on the device, such as AES, WEP, or other encryption ciphers. The value is a free‑text string that may include the algorithm name and bit length (e.g., "AES 256-bit"), and can be presented in any case or format by the manufacturer.
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No |
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Form factor Specifies the physical configuration or design of a product, such as ATX, Micro‑ATX, Mini‑ITX, tower, case with cover, etc. It describes how the device is built and what mounting or expansion options it supports.
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SD Card |
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Height The vertical dimension of a product measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and applies to any item where height is relevant, including books, electronics, furniture and other objects.
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2.1 cm |
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Interface type A list of the physical or logical interfaces that a product can use to connect with other devices or components, such as USB, PCI Express, SATA, M.2, Ethernet, Thunderbolt, and similar standards.
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SDXC |
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Memory class The classification of a memory card’s performance tier, indicating its speed and endurance characteristics. It is used to compare cards across brands and models, helping consumers choose the right card for their storage or recording needs.
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U3 |
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Pack quantity The total number of individual units contained within a single package or bundle. This value helps customers understand how many pieces they receive when purchasing the product, and it is useful for inventory, shipping, and comparison purposes.
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1 |
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Read speed The highest rate at which a storage device can retrieve data, expressed in bits per second or commonly used abbreviations such as MB/s or GB/s. This value indicates how quickly the device can read information for processing or transfer.
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95 MB/s |
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UHS Speed Class The UHS Speed Class indicates the minimum sustained write speed of an SD or microSD card, expressed as a class such as "Class 3 (U3)" or "Class 1 (U1)". It helps users compare cards for high‑performance applications like video recording or rapid data transfer.
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Class 1 (U1) |
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Video speed class The video speed class indicates the maximum sustained read and write speeds of a memory card or storage device when recording or transferring video, expressed as a standard code such as V10, V30, V60, or V90. It helps users compare how quickly a device can handle high‑definition video streams and ensures compatibility with camera or recorder requirements.
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V30 |
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Voltage The electrical potential difference that a device is designed to accept from its power source, expressed in volts (V). It indicates the nominal operating voltage for the product and helps users verify compatibility with local mains or battery supplies.
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2.7 to 3.6 V |
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Warranty The length of time for which the manufacturer guarantees that the product will be free from defects in materials and workmanship, typically expressed in years or months.
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Five-year Limited Warranty |
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Weight The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.
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0.002 kg |
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Width The horizontal measurement of a product, expressed in a linear unit such as millimetres or inches. It indicates how wide the item is from one side to the other and is used for sizing, fitting, and compatibility purposes.
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3.2 cm |
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Write speed The maximum rate at which a device can write data to storage or memory, expressed in bits per second (bps) or commonly used abbreviations such as MB/s or GB/s. This value indicates how quickly the device can transfer information for writing operations and is useful for comparing performance across models.
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45 MB/s |
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