Camera Memory Speed
Memory Card Comparison & Performance Tests for Digital Cameras

Samsung PRO 64GB microSDXC Memory Card Review

Samsung PRO 64GB microSDXC Card

Introduction

The Samsung PRO microSDXC 64GB memory card offers UHS-I high-performance storage for action cameras, smartphones and tables. The card is rated UHS Speed Class 3 (U3) making it suitable for 4K and HD video recording because it can maintain at least 30MB/s continuous write speed. Samsung claims the card offers up to 90MB/s read and 80MB/s write speeds. Samsung PRO microSD cards are offered in 16, 32 and 64 GB capacities. The 64GB microSDXC card (MB-MG64EA/AM) is tested in this review.

The Samsung PRO microSD cards were introduced in 2014, and updated in late 2015 with the new U3 speed designation.

Samsung PRO 64GB microSDXC memory card back

The 64GB card tested for this review was made in Korea. The back of the card has the product code MB-M64D. Samsung PRO memory cards have a 10-year warranty.

Performance

The 64GB Samsung PRO microSD card was benchmarked in USB 3.0 card readers. The highest sequential read speed was 97.8 MB/s in the Lexar Professional Workflow SR2 UHS-II card reader, comfortably above the 90MB/s read speed claim made by Samsung. The highest write speed benchmark was 80.0 MB/s, the same as the claimed, in the Lexar microSD card reader.

Card: Samsung PRO microSDXC 64GB 64 GB
Benchmark: CrystalDiskMark 3.0.3 x64
Program settings: 1000 MB, 5 passes, random test data
Operating system: Windows 8.1 Pro
Motherboard: Gigabyte GA-Z77X-UD3H
Processor: Intel Core i7-3770K @ 4.40GHz
RAM: 32GB DDR3 1600

Samsung PRO microSDXC 64GB 64 GB
Card Reader Benchmarks
Sequential
Read
1000MB
(MB/s)
Sequential
Write
1000MB
(MB/s)
Random
Read
512KB
(MB/s)
Random
Write
512KB
(MB/s)
Random
Read
4KB
(MB/s)
Random
Read
4KB
(IOPS)
Random
Write
4KB
(MB/s)
Random
Write
4KB
(IOPS)
Lexar Professional Workflow SR2 UHS-II97.78878.79385.79413.8047.7171883.92.807685.2
Lexar LRWM04U-7000 UHS-II Reader97.78879.20486.40211.5037.6751873.72.884704.2
Kingston MobileLite G4 UHS-II95.93679.17486.34511.7977.6611870.32.888705.1
SanDisk Extreme Pro UHS-II SD Reader/Writer95.85779.12686.16110.7777.6181859.82.882703.7
Lexar Professional Dual Slot UHS-II Card Reader95.84878.54586.13210.9357.6051856.82.637643.9
Delkin Dual Slot SD UHS-II and CF Card Reader95.80478.48085.73812.1597.6171859.52.814687.0
Kingston FCR-HS4 Card Reader95.62979.07286.14713.4077.6771874.32.791681.3
Transcend Multi-Card Reader RDF995.62978.54585.68211.4197.6831875.82.825689.8
Delkin Travel Reader95.30878.83483.66312.1007.6141858.92.872701.1
Delkin Universal Memory Card Reader94.31379.11484.24413.2157.2141761.12.557624.2
Lexar LRWM03U-7000 UHS-I microSD Reader93.73279.95982.96012.0666.7081637.82.891705.9
Transcend SD Card Reader RDF5 Black93.53179.36582.64611.4266.0871486.22.344572.4
SanDisk ImageMate All-In-One USB 3.092.68877.92675.47412.5164.6921145.51.975482.2
SanDisk microSD UHS-II USB 3.0 Reader92.44378.27580.89812.9577.4041807.62.657648.6
Lexar LRWM05U-7000 UHS-II microSD Reader92.41078.35781.0589.9747.3531795.12.578629.5
Sony MRW-E90 XQD 2.0 / SD UHS-II Card Reader91.75577.55280.80512.2667.2031758.52.555623.8

The 64GB PRO microSD card will be tested for write speed in cameras. When results are available they will be posted in the table below.

Samsung PRO microSDXC 64GB
Tested in Camera
Write Speed
(MB/s)
Canon 5D Mark IV70.4
Olympus E-M1 II40.9

Cameras tested with this card: Canon 5D Mark IV, Olympus E-M1 II

The following table contains information encoded in the SD card.

Samsung PRO microSDXC 64GB microSD — Internal Card Information
Serial number (PSN)447743007
Product Name (PNM)00000
Product Revision1.0
Manufacturer ID (MID)0x00001b
OEM ID (OID)SM
Manufacture Date (MDT)08/2015
Total capacity64,021,856,256 bytes

Internally, the Samsung PRO card is identified by OEM ID (OID) "SM" and manufacturer ID (MID) 0x00001b, indicating Samsung as the manufacturer. The card capacity is just over 64 billion bytes. The card tested in this review was produced August, 2015 according to the card register.

Available sizes and prices

Compare prices on the Samsung PRO microSD card. The lowest prices are highlighted in the table below. Prices are updated daily.

CardSize
GB
Lowest
$ / GB
Prices
AmazonB&H PhotoAdorama
Samsung PRO microSD16$0.87$63.99$13.99$13.99
Samsung PRO microSD32$0.56$67.95$17.95$17.95
Samsung PRO microSD64$0.56$42.08Check price$35.95