# Biwin MS100 Micro SDXC Card 256GB – Fast UHS-I Storage for 4K and Apps

Biwin MS100 256GB microSDXC card offers up to 100 MB/s read speeds with U3/V30, a practical choice for 4K videos and app storage on phones, tablets.

- [Original product page](https://www.ofertitastop.com/uk/product/biwin-ms100-micro-sdxc-card-256gb)
- [View offer](https://www.ofertitastop.com/uk/visit/biwin-ms100-micro-sdxc-card-256gb)
- Market: UK
- Language: en-GB
- Currency: GBP
- Product updated: 2026-10-23T05:45:15.872Z
- SKU: ofertitastop-uk-136398
- Category: Electronics > Electronics Accessories > Memory > Flash Memory > Flash Memory Cards
- Source store: amazon UK
- Active deal: Yes
- Price: 40.19 GBP
- Previous price: 42.99 GBP
- Discount: 7%
- Rating: 4.6 / 5
- Reviews: 584

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

## What this is and what it offers
The Biwin MS100 is a 256GB Micro SDXC memory card designed for devices that demand reliable storage and quick access. It carries the UHS-I U3 and V30 ratings, with read speeds up to 100 MB/s. On paper, that combination supports high‑definition photos, 4K video capture, and quick file transfers, which can help you spend less time waiting and more time creating. It’s positioned as a versatile option for smartphones, tablets, home security cameras and dash cams, offering a single card to cover many everyday needs.

## How it performs in practice
The stated specifications signal solid performance for everyday tasks and moderate professional workloads. In real-world terms, you might expect smooth recording and steady app loading, especially when your workflow involves bursts of high‑resolution imagery or large video files. However, as with any memory card, actual speeds can vary depending on the device, file type, and how full the card is. It’s not a guarantee of peak performance across every situation, so manage expectations accordingly.

## Where it fits best
If your routine includes taking lots of photos, recording 4K video on a compatible device, or transferring large files between a camera, tablet or phone, the MS100 aims to cover those basics without fuss. Its 256GB capacity helps balance space for media and apps with the portability of a microSD solution. For adventurers and fieldwork, the card’s rugged branding suggests resilience to dust and temperature extremes, which is worth noting for outdoor use, even if you don’t see specific test data here.

## The strengths you’ll notice day to day
- Versatility across devices: smartphones, tablets, dash cams and security cameras can all benefit from a single card.
- Solid capacity: 256GB means ample room for high‑res photos, videos and app data.
- Brand heritage in storage: Biwin is presented as a long‑standing supplier of memory components, which can be reassuring for reliability.

## Potential limitations
- Real-world speeds may differ from the 100 MB/s read claim depending on device and card fullness.
- It’s a mid‑range proposition on paper, if you’re chasing top‑tier sustained write performance for intensive video workflows, you might notice gaps compared with premium models.
- No explicit mention of software features or bundled services, you’ll rely on your device’s native file management.

## Who this is for
- Users who want a single, relatively large microSD card for phones, tablets and cameras.
- People who record 4K video and need reliable capacity without swapping cards frequently.
- Those who value broad compatibility and a practical balance of speed and capacity.

## When this might not be the best option
- If you require the absolute fastest sustained write speeds for demanding 4K or high‑bitrate footage, you may prefer higher‑tier cards.
- If your device has strict microSD compatibility requirements beyond standard UHS‑I, confirm support before purchasing.

## What to check before buying
- Ensure your device supports microSDXC and UHS‑I buses to realise the stated performance.
- Consider your typical file sizes and how full you tend to carry the card, speeds can drop as the card fills.
- Verify that you actually need 256GB, if you’re keeping things light, a smaller capacity could be more cost‑effective.

## Practical example of use
Imagine you’re out photographing a short outdoor session: you shoot bursts of RAW images and also capture 4K video. The MS100’s 256GB capacity helps you avoid constant card swaps, while the U3/V30 ratings suggest the card is well suited to handling the video data without frequent interruptions.

## Is it worth it?
It makes sense if you prioritise a straightforward, flexible microSD option with ample space and decent performance for everyday media capture and app use. It may not be the best choice if your work relies on uncompromising, sustained high‑speed writes or you need specialised features beyond basic storage.

## Frequently asked questions
- What devices work with this card? It’s described for smartphones, tablets, home security cameras and dash cams, with broad compatibility implied by the product description.
- Can I use this for 4K video? Yes, the V30 and U3 ratings indicate suitability for 4K video on compatible devices.
- Do speeds vary? Yes, read speeds are up to 100 MB/s on paper, but real‑world performance depends on device, file type and card fullness.

## Final thoughts
For users needing a dependable 256GB microSD card that covers a range of everyday tasks—from photos to 4K video—Biwin MS100 offers a practical balance of capacity and speed. If your workflow demands peak sustained write performance or niche compatibility, you might want to compare against higher‑spec options. In general, this card is a sensible choice for expanding storage across multiple devices without overcommitting to a single use case.

## Images

![Biwin MS100 Micro SDXC Card 256GB – Fast UHS-I Storage for 4K and Apps — 1](https://www.ofertitastop.com/i/S6ZuiYIns2br6hOdJIK82LyIiBxQz_6JtKyjEhncctI2NpWSJrMb8mAs5zsOXmpq_fShQ3UXqfllAe8-iYA_KdVI_Hy12klPDbWKxWWJZy-G9uCTQN6UG3qcjQ.jpg)

![Biwin MS100 Micro SDXC Card 256GB – Fast UHS-I Storage for 4K and Apps — 2](https://www.ofertitastop.com/i/tdU1xmUGZBiTuhR0P2zhxRVXTUcpOv5cBB-reCombXtwC80OUOVn4SQFpNeaeHzwK9gg9a_CLqYjtidGwzRCpWN7-H0qPEqBmWDnUYtgzHUuiWnU6zh3YtG5Jw.jpg)

![Biwin MS100 Micro SDXC Card 256GB – Fast UHS-I Storage for 4K and Apps — 3](https://www.ofertitastop.com/i/aA_nevnsQZr5WVjGEftFhvoDjbdC3XOVuOQlBGfbiJfVDrxD1A9zDUZR00M_k9wowec50nWI1T9so14AVJ1epTVh8h0GW8Q71mxQhAdKztEtsLCGt9ZFhB5kMw.jpg)

![Biwin MS100 Micro SDXC Card 256GB – Fast UHS-I Storage for 4K and Apps — 4](https://www.ofertitastop.com/i/eINOu_cU0WGCUmJFfu5H0MqRdHnIe_qpzyFnvNU67S_VvPnBiMu9vA1DgpA8UxglEmh08-psG-wERAnPXcqXoG2UZyeQwo3ePHcf_ZNIDUfKjeW8n9xtJucurw.jpg)

![Biwin MS100 Micro SDXC Card 256GB – Fast UHS-I Storage for 4K and Apps — 5](https://www.ofertitastop.com/i/haz_9V9jmWPYxM-TZI607lUqzocpMUim6Cp-a_55uNNDKtktE0AtY9FxgMnmnIPMcVp0CPBVcrMxl0aHY5SIJj8Vp7QR5Z4N32Z17-8QoSRSBQTmrlw4zAzBaA.jpg)