Is this the newer microsd from sandisk with faster r/w speeds?

No but this os one of the good and farter one...

Why is my 512gb sd card actually 478gb?

Hello, thank you for connecting with EMAX The remaining is utilized already for the in built software within the card

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256GB Extreme Pro microSD UHS I Card for 4K Video on Smartphones, Action Cams & Drones 200MB/s Read, 140MB/s Write, SDSQXCD 256G GN6MA, Red/Black

Product ID: 451065819

Details

Brand
SanDisk
Compatible devices
Camera
Flash memory type
Micro SD
Memory storage capacity
256 GB
Model name
Extreme PRO

⚡200MB/s read speed

🚀140MB/s write speed

🛡️Drop, water, temperature & X-ray proof

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KD 24.53

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Sold byAmazon KUWAITDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📸 Elevate your content game with speed and durability that keeps up with your hustle!

BUILT FOR ADVENTURE - Rugged design protects your data from drops, water, extreme temps, and X-rays.
MASSIVE 256 GB STORAGE - Store thousands of photos, videos, and games without compromise.
BLAZING FAST TRANSFERS - Experience lightning-quick 200MB/s read speeds for instant media offloads.
SEAMLESS COMPATIBILITY - Optimized for smartphones, action cams, drones, and more — never miss a frame.
CAPTURE EVERY MOMENT IN 4 K - Shoot uninterrupted 4K UHD video with ultra-reliable 140MB/s write speeds.

The SanDisk 256GB Extreme Pro microSD UHS-I card delivers ultra-fast 200MB/s read and 140MB/s write speeds, perfect for 4K UHD video capture on smartphones, drones, and action cameras. Engineered with SanDisk QuickFlow Technology and rated U3/V30, it ensures smooth, uninterrupted recording. Its rugged, drop-proof, water-proof, temperature-proof, and X-ray-proof design safeguards your data during all your adventures. With massive 256GB capacity and broad device compatibility, it’s the ultimate storage solution for professionals and enthusiasts who demand speed, reliability, and durability.

Specifications

ASIN	B09X7DMBVF
Additional Features	Drop Proof, Temperature Proof, Water Proof, X Ray Proof
Best Sellers Rank	#11 in Computers ( See Top 100 in Computers ) #2 in Micro SD Memory Cards
Brand	SanDisk
Color	Red/Black
Compatible Devices	Camera, Smartphone
Customer Reviews	4.6 4.6 out of 5 stars (62,093)
EU Spare Part Availability Duration	2 Years
Flash Memory Type	Micro SD
Flash Memory Video Speed Class	30
Hardware Connectivity	microSDXC
Item Dimensions D x W x H	15D x 10W x 1H centimeters
Item Dimensions L x W	15L x 11W millimeters
Item Weight	5 Grams
Manufacturer	Western Digital
Media Speed	140 MB/s
Memory Storage Capacity	256 GB
Mfr Part Number	SDSQXCD-256G-GN6MA
Model Name	Extreme PRO
Model Number	SDSQXCD-256G-GN6MA
Read Speed	200 Megabytes Per Second
Secure Digital Association Speed Class	Class 10
UPC	619659188542
Unit Count	1.0 Count
Warranty Description	1 Year Manufacturer Warranty
Warranty Type	Limited

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