---
title: Transcend 300S 8GB Micro SD UHS-I U1 Class10 Card - No Adapter
date: 2026-01-29T15:26:59Z
modified: 2026-05-22T13:05:54Z
permalink: "https://tech.co.za/product/transcend-300s-8gb-micro-sd-uhs-i-u1-class10-card-no-adapter/"
type: product
status: publish
excerpt: TS8GUSD300S microSDHC, C10 / 2D NAND Flash
wpid: 568515
product_brand:
  - Transcend
product_type:
  - simple
product_visibility:
  - featured
product_cat:
  - Data Storage
  - Memory Cards
featured_image: "https://tech.co.za/wp-content/uploads/2026/01/TS8GUSD300S.png"
---

| **Appearance** |  |
| --- | --- |
| Dimensions | 11 mm x 15 mm x 1 mm (0.43″ x 0.59″ x 0.04″) |
| Weight | 0.4 g (0.01 oz) |
| **Storage** |  |
| Capacity | 8 GB |
| Flash Type | 3D NAND flash2D NAND flash |
| **Operating Environment** |  |
| Operating Temperature | -25°C (-13°F) ~ 85°C (185°F) |
| Operating Voltage | 2.7V ~ 3.6V |
| **Performance** |  |
| Speed Class | UHS-I U3 UHS-I U1 Class 10V30A1A2 |
| Sequential Read/Write (CrystalDiskMark) | 8 GBUp to 20/10 MB/s |
| Insertion/Removal Cycles | 10,000 |
| Note | Speed may vary due to host hardware, software, usage, and storage capacity |