What is the write speed? only read speed in description

Just tested this card myself. Verified 250MBps read and 120MBps write. It's actually printed on the packaging, too; just not in the product description.

Does it work with the gh5 all-i 400mb/s?

I've bought 4 just for my gh5 camera to use it with all-i 400mb/s!!! Well 2 works perfectly the other 2 are completely broken. After few seconds I've pressed the record button the camera stops with the error message that the card doesn't support the bitrate. I've ordered two new cards to send back the two that are not working. So if you are lucky they works if you are not you can send them back. The card are v60 certified that means that they should support 60Mb/sec. 400mb/s = 400/8 = 50Mb/sec.!!! I think the price is great if they work!

No, el Zoom Q2n usa tarjetas MICRO SD, esta es SD estandar

Does this work for recording 4k video with a go pro 7 black?

Yes it is definitely fast enough fir 4k

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Lexar 256GB (2-Pack) Professional 1667x SD Card, UHS-II, C10, U3, V60, Full HD, 4K, Up To 250MB/s Read SDXC Memory Card, for Professional Photographer, Videographer, Enthusiast (LSD1667256G-B2NNU)

Product ID: 416214865

Details

Brand
Lexar
Compatible Devices
Camera
Flash Memory Type
SDXC
Memory Storage Capacity
256 GB
Model Name
1667x SD

⚡250MB/s blazing read speed

🎥V60 video speed class for 4K

📸256GB massive storage x2

€ 515.42

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Capture. Transfer. Create. Never miss a moment with Lexar Pro 1667x!

DUAL 256 GB CAPACITY - Two cards mean double the storage—shoot longer, worry less about swapping cards mid-session.
BLAZING FAST TRANSFERS - UHS-II tech delivers up to 250MB/s read speeds to keep your workflow lightning quick.
LIFETIME PEACE OF MIND - Limited lifetime warranty and product support keep you covered for the long haul.
UNIVERSAL COMPATIBILITY - Backwards compatible with UHS-I and Class 10 devices, so your gear stays future-proof and versatile.
4 K READY VIDEO PERFORMANCE - V60 rating ensures smooth, uninterrupted 4K and Full HD video capture for professional results.

The Lexar 256GB (2-Pack) Professional 1667x SDXC cards leverage UHS-II U3 technology to deliver ultra-fast 250MB/s read speeds, ideal for professional photographers and videographers capturing 4K, Full HD, and 3D content. With dual high-capacity cards, V60 video speed class, and broad device compatibility, these cards accelerate your workflow while providing reliable, long-term performance backed by a limited lifetime warranty.

Specifications

ASIN	B09NP78Q1Z
Additional Features	UHS-II
Best Sellers Rank	#29 in SecureDigital Memory Cards
Brand	Lexar
Built-In Media	Lexar SILVER Series Professional 1667x 256GB UHS-II SDXC Memory Card, 2-Pack
Color	Black/Gray
Compatible Devices	Camera
Customer Reviews	4.8 4.8 out of 5 stars (16,324)
Flash Memory Type	SDXC
Flash Memory Video Speed Class	V60
Hardware Connectivity	SDXC
Item Dimensions D x W x H	0.95"D x 1.25"W x 0.08"H
Item Dimensions L x W	1.25"L x 0.95"W
Item Weight	9.07 g
Manufacturer	Lexar International
Media Speed	250 MB per second
Memory Storage Capacity	256 GB
Mfr Part Number	LSD1667256G-B2NNU
Model Name	1667x SD
Model Number	LSD1667256G-B2NNU
Number of Items	2
Number of Packs	2
Read Speed	250 megabytes_per_second
Secure Digital Association Speed Class	Class 10
UPC	843367126514
Unit Count	1 Count
Warranty Description	Limited lifetime warranty
Warranty Type	Limited

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