Data Sheet SAMSUNG PROPRIETARY
Revision 1.0
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Revision 1.0
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Samsung microSD
P9 Express Card
2025 Data Sheet
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Data Sheet SAMSUNG PROPRIETARY
Revision 1.0
2
DISCLAIMER
SAMSUNG ELECTRONICS RESERVES THE RIGHT TO CHANGE PRODUCTS, INFORMATION AND SPECIFICATIONS
WITHOUT NOTICE.
Products and specifications discussed herein are for reference purposes only. All information discussed herein
may change without notice and is provided on an “AS IS” basis without warranties of any kind. This document
and all information discussed herein remain the sole and exclusive property of Samsung Electronics. No license
of any patent, copyright, mask work, trademark or any other intellectual property rights is granted by one party
to the other party under this document by implication, estoppels or otherwise. Samsung products are not
intended for use in life support, critical care, medical, safety equipment, or similar applications where product
failure could result in loss of life or personal or physical harm, or any military or defense application, or any
governmental procurement to which special terms or provisions may apply. For updates or additional
information about Samsung products, contact your nearest Samsung Electronics’ authorized representative.
COPYRIGHT © 2025
This material is copyrighted by Samsung Electronics. Any unauthorized reproductions, use or disclosure of this
material or any part thereof, is strictly prohibited and is a violation under copyright law. The microSD, microSDHC
and microSDXC mark and logo are trademarks of SD-3C LLC. All other marks are property of their respective
owners.
TRADEMARKS & SERVICE MARKS
The Samsung Logo is the trademark of Samsung Electronics. Adobe is a trademark and Adobe Acrobat is a
registered trademark of Adobe Systems Incorporated. All other company and product names may be trademarks
of the respective companies with which they are associated.
Data Sheet SAMSUNG PROPRIETARY
Revision 1.0
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1. TECHNICAL SPECIFICATIONS
Samsung microSD P9 Express Card
Interface
PCIe Gen 3.0 x1, NVMe 1.3, SD 7.1, SDR 104
1)
Hardware
Information
Form Factor
microSDXC
TM
User Capacity
256GB / 512GB
256,288,751,616 Bytes / 512,644,612,096 Bytes
2)
Dimensions
15 x 11 x 1.1 (mm) (L x W x T)
Weights
Approx. 0.25g (Card only)
Performance
Speed Class
Class 10, V30
3)
Speed Grade
Grade 3 (U3)
Sequential Read Speed
4)
(SD Express) 800 MB/s
(UHS-I) 90 MB/s
Reliability
Temperature
5)
Operating : 0°C to 45°C
Non-Operating : -40°C to 85°C
EMC Certifications
FCC (IC), CE (UKCA), VCCI, RCM
Warranty
3 year limited
6)
1) SDR104: 1.8V Signaling, Frequency up to 208 MHz, up to 104MB/sec, Max. Current Consumption 800mA (varies by test conditions)
2) 1GB=1,000,000,000 bytes. Actual usable storage capacity may vary. User capacity measured with SD Formatter 3.1 tool with FAT
file system.
3) V30 : Video Speed Class means sustained video capture rates of 30MB/s(V30) which enable to support real-time video recording
to UHS Bus interface products. Transfer speeds may vary by host device.
4) Performance results are based on internal testing conditions. Actual read speeds may vary depending on user environment.
5) Stated temperature is defined as the ambient temperature. Sufficient cooling airflow or effective heat-dissipation are
recommended to be operated properly on heavier workloads within device operating temperature.
6) Warranties provided herein do not extend to any use of the product for or with continuous recording instruments or any other
write-intensive devices, including without limitation security cameras, surveillance systems, dashboard cameras, blackbox
cameras, internet protocol/network cameras, continuous recording set top box devices and continuous data logging devices like
servers, dedicated devices for benchmarking test, the primary drive for certain devices and any other excessive uses.
Data Sheet SAMSUNG PROPRIETARY
Revision 1.0
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2. PRODUCT LINEUP
Form Factor
Lineup
Capacity
Model Name
microSD
P9 Express
256GB
MB-MK256T
microSD
P9 Express
512GB
MB-MK512T
3. Regulatory Compliance
4. Environmental Specifications
1)
Features
Mode
Specification
Humidity
2)
Non-operating
40℃/93%, 85℃/85%
Shock
3)
Non-operating
1,500 G
Vibration
Non-operating
15 G, 10~2,000 Hz, 36 Cycles, Rising/Falling 10 mins
Water
4)
Non-operating
1 M depth, 3% NaCl, 25℃
Magnetic
Non-operating
15,000 Gauss, 30 secs
X-Ray
Non-operating
100 mGy
Drop
Non-operating
1 m, 10 times
Durability
Non-operating
10K cycles
NOTE:
1) The specification is referred to the microSD Card Addendum version 7.1. Test Requirements.
2) Humidity is measured in non-condensing (40℃/93%, 85℃ / 85% RH, 504hr).
3) 1500G, duration 0.5ms, 10 times, 3axis.
4) 1M depth, 3% NaCl , 25℃, 72hr
5) The testing results reported herein were obtained under strictly controlled lab environment, as more fully described in the
respective footnote for each test. Any attempt to replicate such results are not covered under Samsung’s warranty
program and Samsung disclaims any and all liability with respect to damages resulting from such attempts, including
without limitation, damage to product, loss of property, or loss of data. For more information on Samsung’s warranty
policy, please visit: www.samsung.com/support.
Data Sheet SAMSUNG PROPRIETARY
Revision 1.0
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5. REVISION HISTORY
Revision
Number
Description
Revision Date
1.0
Initial Release
September, 2025
