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Samsung PRO Plus MicroSDXC Memory Card (256GB)

Item # 305MD256KA

1 question - 1 answer

Item # 305MD256KA

Product highlights:

  • 256GB capacity
  • UHS Speed Class 3 (recommended for 4K video)
  • Video Speed Class V30 (certifies high minimum speed for video)
  • data transfer speed: 160MB/s read, 120MB/s write
  • durable design
    • waterproof up to 3 feet for up to 72 hours
    • endures temperatures from -13° to 185°F
    • tested against wearing out over 10,000 uses
    • magnet-proof
    • X-ray-proof
    • withstands drops up to 16.4 feet
  • includes full-size SD card adapter
  • warranty: 10 years card (1 year adapter)
  • MFR # MB-MD256KA/AM

What's in the box:

  • 256 GB microSDXC memory card
  • SD card adapter

Customer reviews for Samsung PRO Plus MicroSDXC Memory Card

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5.0 out of 5 stars
13 reviews

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More details on the Samsung PRO Plus MicroSDXC Memory Card

Mark G.

Product Research

Features

Overview: The Samsung PRO Plus microSDXC flash memory card lets you store your digital photos and videos, as well as your digital music files and documents. The memory card is compatible with microSDXC host devices, including most digital cameras and camcorders, drones, and smartphones with a microSD memory card slot. A full-size SD card adapter is included for use with SDXC-compatible devices. The card is backed by a 10-year limited warranty.

Speed Class Rating: This PRO Plus microSDXC card has an SD Class 10 speed rating, and a UHS Speed Class rating of U3, making it a recommended medium for recording large, mega-pixel photos and 4K UHD video. It has a Video Speed Class rating of V30, and an Application Performance classification of A2. It has a read speed of up to 160 MB/s and a write speed of up to 120 MB/s.

Durability: The Samsung microSDXC card's rugged construction makes the card able to withstand most any condition. It is resistant to the following:

  • Waterproof: withstand up to 72 hours in seawater
  • Temperature: operating temperatures of -25°C to 85°C (-13F° to 185°F); non operating temperatures of -40°C to 85°C (-40°F to 185°F)
  • X-Ray: up to 100mGy (equal to airport X-ray machines)
  • Magnetic Fields: up to 15,000 gauss, or the magnetic field of a high-field MRI
  • Drop: withstands drops up to 5 meters (16.4 feet)
  • Wearout: up to 10,000 swipes

Capacity: This PRO Plus microSDXC memory card has a capacity of 256 GB. The chart below indicates the capacity of the available sizes of the PRO Plus memory cards:

  128 GB 256 GB 512 GB
4K Video*
7.5 hours 15 hours 30 hours
Full HD Video 20 hours 40 hours 80.5 hours
4K Photos 51,783 103,566 207,159
Full HD Photos 67,518 135,036 270,108

* 4K Video: 3840 x 2160 @ 30 fps (Video Size: 30 min / 7.93 GB)
Full HD Video: 1920 x 1080 @ 30 fps (Video size: 30 min / 2.95 GB)
4K Photo: 4000 x 3000 (avg. 2.36 MB)
Full HD Photo: 4000 x 1868 (avg. 1.81 MB)
Test device: Samsung Note Ultra

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Customer Q&A

1 question already asked

Q
Is the Samsung Pro Plus Micro SDXC Memory Card with 256 GB compatible with a Galaxy Note 9 phone?
anthony  Dec 06, 2022
1 answer
A
Greetings Anthony, and thank you for your question. We do not check compatibility on smart phones. If your Samsung phone can accept a Micro SDXC card up to 256 GB, im sure it will be fine, but you might want to check with your cell phone provider first.
hogan  Dec 07, 2022 (Staff)

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