Fast memory upgrade for your smartphoneWant to save internal storage space on your mobile device by running applications from a memory card? Then the microSDHC 300S card from Transcend is the right choice. The card is characterized by a very high read/write speed. This makes them ideal for retrieving small amounts of data from anywhere and accelerating app startup time. Perfectly suited for offloading appsFrequently, users install and run mobile applications on a gaming card to keep the mobile device's internal memory free. The random read/write performance of the card is critical for this application, which is why Transcend's microSDHC 300S memory card is ideal for storing mobile applications.
Fast memory upgrade for your smartphoneWant to save internal storage space on your mobile device by running applications from a memory card? Then the microSDHC 300S card from Transcend is the right choice. The card is characterized by a very high read/write speed. This makes them ideal for retrieving small amounts of data from anywhere and accelerating app startup time. Perfectly suited for offloading appsFrequently, users install and run mobile applications on a gaming card to keep the mobile device's internal memory free. The random read/write performance of the card is critical for this application, which is why Transcend's microSDHC 300S memory card is ideal for storing mobile applications.
in 6 offers
Transcend Card microSD 4 GB
Fast memory upgrade for your smartphoneWant to save internal storage space on your mobile device by running applications from a memory card? Then the microSDHC 300S card from Transcend is the right choice. The card is characterized by a very high read/write speed. This makes them ideal for retrieving small amounts of data from anywhere and accelerating app startup time. Perfectly suited for offloading appsFrequently, users install and run mobile applications on a gaming card to keep the mobile device's internal memory free. The random read/write performance of the card is critical for this application, which is why Transcend's microSDHC 300S memory card is ideal for storing mobile applications.
Fast memory upgrade for your smartphoneWant to save internal storage space on your mobile device by running applications from a memory card? Then the microSDHC 300S card from Transcend is the right choice. The card is characterized by a very high read/write speed. This makes them ideal for retrieving small amounts of data from anywhere and accelerating app startup time. Perfectly suited for offloading appsFrequently, users install and run mobile applications on a gaming card to keep the mobile device's internal memory free. The random read/write performance of the card is critical for this application, which is why Transcend's microSDHC 300S memory card is ideal for storing mobile applications.
The lowest price for Transcend Card microSD 4 GB right now is $44.44 at Amazon.com.au, compared across 5 retailers.
The all-time low was $12.71 on 16 Apr 2026 — today's price is 250% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 4 Nov 2026.
Last updated at 04/11/2026 17:45:15
Transcend 4GB USD300S microSD Card, 20MB/s, C10, 2D NAND Flash
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Transcend 4GB USD300S microSD Card, 20MB/s, C10, 2D NAND Flash
Delivery between 11–14 Nov $29
Transcend 4GB USD300S microSD Card, 20MB/s, C10, 2D NAND Flash
Free delivery between 13–18 Nov
Transcend microSDHC 300S 4GB Class 10
Free delivery
Transcend 4 GB MicroSD Memory Card, Class 10, 2D NAND, Operating Temperature -25°C to 85°C TS4GUSD300S
Free delivery
| Speed Class | Class 10 |
| Read Speed | Up to 95 MB/s |
| Write Speed | 45 MB/s |
| Card Format | microSDHC, microSDXC |
| Supported Devices | Mobile device, Digital cameras, Smartphones, Tablets |
Transcend 4GB USD300S microSD Card, 20MB/s, C10, 2D NAND Flash
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Transcend 4GB USD300S microSD Card, 20MB/s, C10, 2D NAND Flash
Delivery between 11–14 Nov $29
Transcend 4GB USD300S microSD Card, 20MB/s, C10, 2D NAND Flash
Free delivery between 13–18 Nov
Transcend microSDHC 300S 4GB Class 10
Free delivery
Transcend 4 GB MicroSD Memory Card, Class 10, 2D NAND, Operating Temperature -25°C to 85°C TS4GUSD300S
Free delivery
| Speed Class | Class 10 |
| Read Speed | Up to 95 MB/s |
| Write Speed | 45 MB/s |
| Card Format | microSDHC, microSDXC |
| Supported Devices | Mobile device, Digital cameras, Smartphones, Tablets |
