Lexar 256GB Blue Micro SD Card Up to 160MB/s, microSDXC UHS-I Memory Card with SD Adapter, C10, U3, A2, V30, Full HD, 4K UHD, High Speed TF Card

Quick take

This 256GB Lexar Blue microSDXC card is designed for fast file transfers (up to 160MB/s read) and confident video performance, with a V30 rating for 4K recording and a C10/U3 baseline for everyday high-speed use. It can also help with app loading on compatible devices thanks to an A2 rating. The main buying caveat is that peak speeds depend on the device and the right card reader, so real-world results can vary.

Pros and cons

Pros

  • Up to 160MB/s read speed for quicker transfers, especially when paired with a compatible UHS-I setup.
  • V30 plus C10/U3 support for smoother 4K UHD and high-bitrate recording needs.
  • A2-rated for faster app launches on supported smartphones and tablets.
  • Durability-focused design with multiple protection tests (including IPX7 water resistance, drop, vibration, and magnetic/X-ray protection).
  • Includes an SD adapter and comes with a 10-year limited warranty for the card (adapter has its own limited warranty).

Cons

  • Advertised peak performance requires compatible hardware, otherwise you may see lower speeds.
  • The A2 benefit depends on device support, so not every phone or tablet will show a noticeable difference.
  • Buyer-review evidence in the provided snippets leans positive, but detailed performance breakdowns for this exact 256GB model are limited.

What buyers think

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Buyer feedback is broadly positive, with recurring themes around the card being fast enough for real video and camera workflows, working smoothly with devices, and maintaining consistent performance during transfers. Several comments emphasize reliability for larger video files (including action-camera use) and note that formatting and day-to-day operation feel dependable. At the same time, the provided review snippets do not include a lot of granular, model-specific testing detail for this exact 256GB capacity, so the evidence for edge-case behavior (like worst-case write performance over time) is limited.

Key specs that matter for buying

Speed and video ratings (UHS-I, C10, U3, V30)

This card is built around UHS-I performance, with a Class 10 (C10) baseline and U3, which are useful signals if you’re recording Full HD or higher-bitrate footage. The V30 video speed class is the headline for creators using action cameras, drones, or similar devices that support 4K UHD, since V30 targets sustained write performance for video recording rather than just burst transfers.

Transfer speeds (up to 160MB/s read)

The card is rated for read speeds up to 160MB/s, which is most helpful when you pull files off the card frequently for editing or sharing. If you are planning to maximize throughput, pair it with a UHS-I compatible reader that can actually take advantage of the card’s performance profile.

App performance (A2)

The A2 rating targets faster app launches and smoother app storage behavior on supported Android devices. This is most relevant if your phone/tablet supports running apps from microSD and you routinely switch between several apps, games, or large app data.

Capacity and format (256GB microSDXC)

256GB is a practical middle ground for a wide range of uses, including storing a decent library of 4K clips, larger photo sets, and app data without constantly rotating cards. Actual usable capacity can vary by device formatting and file system overhead.

Durability and protection features

Lexar positions the Blue series around real-world protection testing, including resistance to water (IPX7), X-ray protection, vibration resistance, magnetism protection, shock and drop testing up to 1.5m, and wear resistance. If you’re using the card in outdoorsy, travel, or action-oriented setups, these features are part of the value proposition.

Who this card is best for

  • Action camera, drone, and outdoor creators who need a microSDXC card with V30 support for 4K recording and want a balance of capacity and speed.
  • Smartphone or tablet users who can take advantage of A2 for faster app launches (assuming your device supports microSD app storage).
  • People who move lots of media who will benefit from faster read speeds when backing up to a computer.
  • Buyers who want an SD adapter included so they can use the card in SD-compatible readers and laptops.

Who should consider alternatives

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  • Buyers who only record short clips on devices that do not use 4K may prefer a lower-cost card if they do not need V30-grade video performance.
  • Buyers focused on maximum sustained write speed for heavy-duty continuous recording should ensure their device’s requirements align with the V30/U3 profile and consider whether a higher-tier card class is necessary for their specific workload.
  • Buyers whose devices do not support A2 microSD performance may not see any app-related benefit and should shop primarily on capacity and video speed class.

Pros and cons in plain English

Pros you can feel in everyday use

  • Quicker backups when reading the card to a computer, especially if you use a compatible card reader.
  • Video confidence from V30 plus U3/C10 positioning, which helps for 4K UHD recording scenarios.
  • App storage acceleration (when supported) via A2, which can reduce waiting when launching apps stored on the card.
  • Durability messaging backed by multiple types of protection tests, which is especially relevant for travel and action setups.

Tradeoffs and expectations to set upfront

  • Speed claims are conditional, real-world speeds depend on the host device and reader.
  • A2 is not universal, you need device support for the app-launch advantages to matter.
  • Review detail is limited in the snippets provided, so if you need deeper, long-run benchmarking for your exact device, plan to verify compatibility and performance requirements.

Verdict

The Lexar 256GB Blue microSDXC card is a strong fit if you want one card that can cover fast transfers, V30-targeted 4K recording, and potential A2 app performance on compatible devices. It also looks appealing for users who prioritize durability and want an SD adapter included. Just make sure your device and card reader can actually take advantage of UHS-I and the card’s peak read rating, and treat the A2 gains as “device-dependent.”

FAQs

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What does V30 mean for 4K video recording?

V30 is a video speed class designed to support sustained write performance for video capture. Combined with C10 and U3, it’s meant to help you record and save 4K UHD footage more reliably than cards that only meet basic speed labels.

Is the “up to 160MB/s” speed realistic on my device?

That figure represents peak read speed and depends on your host device and the card reader’s ability to support the same performance level. If your camera, phone, or reader is limited, you’ll likely see lower transfer speeds.

Does A2 improve performance on all phones?

No. A2 benefits apply to compatible devices that support A2-rated microSD performance for apps. If your device does not support app storage on microSD, you’ll mainly benefit from capacity and video/transfer performance.

Will this card work with devices that take microSDXC?

It’s a microSDXC card (UHS-I). As long as your device is compatible with microSDXC and uses UHS-I microSD cards, it should be a match for typical action cams, drones, smartphones, and tablets that support microSD storage.

Does it include an SD adapter?

Yes. An SD adapter is included, so you can use the microSD card in SD-compatible card readers and some laptops/desktops.

How durable is this microSD card?

It’s marketed as being tested against multiple protection categories, including water resistance (IPX7), X-ray protection, vibration protection, magnetism protection, and drop/shock resistance (up to 1.5m). Durability features are especially relevant for outdoor and action setups.

Is 256GB enough for 4K footage?

256GB can hold a substantial amount of 4K video, but the exact number of recording hours depends on your camera’s bitrate, resolution, and frame rate settings. If you shoot often or at high bitrates, you may still want to manage storage proactively.

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Specifications

Product TitleLexar 256GB Blue Micro SD Card Up to 160MB/s, microSDXC UHS-I Memory Card with SD Adapter, C10, U3, A2, V30, Full HD, 4K UHD, High Speed TF Card
CategoryElectronics > Computers & Accessories > Computer Accessories & Peripherals > Memory Cards > Micro SD Cards
BrandLexar
ManufacturerLexar Co.,LTD
Model NameBlue
Model NumberLMSBLUE256G-BNANG
Item Weight0.25 Grams
ColorBlue
Flash Memory TypeMicro SDXC
Memory Storage Capacity256 GB
Compatible DevicesAction Cameras, Camera, Drones, Smartphone, Tablet
Additional FeaturesDrop Proof, Magnetic Proof, Temperature Proof, Wearout Proof, X Ray Proof
Read Speed160 Megabytes Per Second
Media Speed30 MB/s
Hardware ConnectivitymicroSDXC
Secure Digital Association Speed ClassClass 10
Flash Memory Video Speed ClassV30
Item Dimensions L x W0.59"L x 0.43"W
Item Dimensions D x W x H0.04"D x 0.43"W x 0.04"H
UPC843367136902
Mfr Part NumberLMSBLUE256G-BNANG
Unit Count1.0 Count
Warranty Description10-year limited warranty for sd card and 1-year limited warranty for adapter.
Warranty TypeLimited

Available variants

Capacity

  • 256GB X2
  • 256GB
  • 512GB
  • 128GB
  • 1TB
  • 2TB

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