What features make the Team High Endurance 256GB microSDXC card suitable for monitoring systems?

It is designed for monitoring, stable and durable for consistent recording, operates under harsh conditions, supports 4K and Full HD video recording, and offers powerful storage capacities.

What is the maximum read and write speed of the Team High Endurance 256GB microSDXC card?

The maximum read speed is 100MB/s and the write speed is 50MB/s.

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Team 256GB High Endurance microSDXC UHS-I U3, V30 Memory Card, designed for monitoring, Speed Up to 100MB/s (THUSDX256GIV3002)

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SANDISK 256GB High Endurance Video microSDXC Card with Adapter for dash cam and home monitoring systems - C10, U3, V30, 4K UHD, Micro SD Card - SDSQQNR-256G-GN6IA

$69^.99–

Capacity: 256GB

64GB
128GB
256GB

Designed for monitoring
Stable & Durable to Deliver Consistent Recording
Fearless under harsh conditions
Support 4K & Full HD video recording
Powerful storage capacities & Long Lasting

Overview

Specs

Reviews (18)

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Designed for Monitoring

Unlike any other storage device, the High Endurance Card from TEAMGROUP is designed for professional monitoring systems and long recording hours that is perfect for professional and residential monitors. The High Endurance Card can satisfy write-intensive recording needs.

Powerful Storage Capacities & Long Lasting

The High Endurance Card has up to 256GB of storage capacity, delivers 40,000 hours of ultra-long recording hours, and comes with a 2-year limited warranty to ensure every critical moment is safely in storage.

Support 4K & Full HD Video Recording

The High Endurance card is classified under Video Speed Class V30 that supports recordings and playbacks through 4K monitoring equipment.

Fearless Under Harsh Conditions

Built to endure harsh environment, the High Endurance Card can operate under extreme temperatures and is built to be resistant to shock, water, static electricity, and x-rays.

Stable & Durable to Deliver Consistent Recording

The High Endurance Card is incredibly durable and delivers stable storage performance over the long term to ensure every single frame is captured.

Capacity	64GB / 128GB / 256GB^[1]
Voltage	2.7 ∼ 3.6V
Operation Temperature	-25℃ ∼ 85℃
Storage Temperature	-40℃ ∼ 85℃
Data Transfer Rate	Read/Write: up to 100/50MB/s^[2]
Weight	1g
Dimensions	15.0(L) X 11.0(W) X 1.0(H) mm
Endurance	64GB: 10,000hrs 26Mbps (FuU HD 1920 x 1080p) 128GB: 20,000hrs 26Mbps (Full HD 1920 x 1080p) 256GB: 40,000hrs 26Mbps (Full HD 1920 x 1080p)^[3]
Operation System	Micro SDXC exFAT format Supports only products with the Micro SDXC logo or slots complying with Micro SDXC memory cards. Supports only products with SDXC logo or slots complying with SDXC memory cards. (adaptor required)

[1] Part of the capacity of FLASH storage products will be used for formatting or other functions, and the displayed capacity in the operating system will be less than the actual storage capacity due to unit conversion. It is recommended to calculate the actual storage capacity based on this equation: total bytes/1024/1024/1024. Storage capacity may vary on different devices; users are recommended to first confirm storage capacity supported by their monitoring equipment.
[2] Transmission speed will vary according to different hardware / software conditions, therefore the data can only used for basic reference.
[3] 64GB option delivers up to 10,000 hours of recording and the 128GB option delivers up to 20,000 hours of recording. The 40,000 hours is recorded on a High Endurance 256GB Card at a video speed of 26Mbps in Full HD (1920*1080) resolution. Results may vary for different video speeds.
* We reserve the right to modify product specifications without prior notice

Best Seller Ranking	#19 in Memory Cards

Model
Brand	Team
Series	High Endurance
Model	THUSDX256GIV3002
Type	microSDXC

Details
Capacity	256GB
Speed Class Rating	UHS-I / U3 / V30
Read Speed	100MB/s
Write Speed	50MB/s

Features
Features	Designed for monitoring Stable & Durable to Deliver Consistent Recording Fearless under harsh conditions Support 4K & Full HD video recording Powerful storage capacities & Long Lasting

Additional Information
First Listed on Newegg	August 15, 2021

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 2 years
Limited Warranty period (labor): 2 years
Read full details

Return Policies

We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.

Return for refund until: January 31, 2026
Return for replacement until: January 31, 2026
This item is covered by Newegg.com's Extended Holiday Return Policy.
Read full return policy for details.

Manufacturer Contact Info

The Team High Endurance 256GB microSDXC card is designed for monitoring devices that need consistent recording, with UHS-I U3 and V30 speed ratings, read speeds up to 100MB/s, and write speeds up to 50MB/s.

Recommended For

Home-security camera owners who record continuously or repeatedly overwrite footage and want a card designed for monitoring use.
Drivers using a compatible dash cam for routine or loop recording who want storage intended for repeated video writes rather than occasional phone photos.
People recording 4K or Full HD video on compatible monitoring cameras who need a 256GB card with a V30 rating and a stated 50MB/s write speed.
Users of outdoor or vehicle monitoring equipment who need a microSDXC card rated for operation across a broad temperature range.

Real-World Use Scenarios

For a home or small-business security camera recording for long periods, the high-endurance design is intended for repeated recording, while 256GB provides local storage; how much footage it holds before older clips are replaced depends on the camera and recording settings.
In a compatible 4K monitoring camera, the card is intended to store video locally; expect less recording time at 4K than at Full HD, since the manufacturer’s 40,000-hour figure for the 256GB model is based on Full HD at 26 Mbps.
In a dash cam that supports 256GB microSDXC cards, it can serve as local storage for continuous driving footage; when the card fills, the camera may overwrite unsaved clips, so save important recordings promptly and check the camera’s card recommendations.
For an outdoor monitoring camera exposed to changing temperatures, the card’s stated operating range is −25°C to 85°C; actual recording still depends on the camera’s own environmental rating and compatibility.

Spec Summary

Attribute	Value
Best For	Monitoring and continuous recording in compatible surveillance, security, and camera devices, including 4K and Full HD video use
Capacity	256GB
Format And Interface	microSDXC card with UHS-I interface
Speed And Video Classes	U3, V30, and Class 10; 100 MB/s read and 50 MB/s write
Durability And Protection	High-endurance design for consistent recording; listed as X-ray proof
Model Identifiers	Team High Endurance, model THUSDX256GIV3002