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Samsung PRO Select 128GB microSDXC Memory Card Review

Samsung PRO Select 128GB microSDXC memory card

Introduction

The Samsung PRO Select 128GB microSDXC UHS-I U3 card is optimized for HD video and DSLR use. The PRO Select offers up to 95MB/s read and 90MB/s write speed and the UHS Speed Class 3 (U3) rating assures it supports at least 30MB/s continuously for recording full HD and 4K video.Its operating temperature range of -13°F to 185°F means it will operate in the harshest environments. Samsung PRO Select series microSD cards are available in 32, 64 and 128 GB capacities. The 128GB microSDXC card (MB-MF128DA/AM) is covered in this review.

Samsung backs the PRO Select cards with 10-year limited warranty. The back of the card is marked, "made in Korea."

Samsung PRO Select 128GB microSDXC memory card back

Performance

The Samsung PRO Select 128GB microSDXC card was benchmarked using USB 3.0 card readers. The highest test showed 94.9 sequential read speed, essentially reaching its stated speed rating, but just slightly below the 97.8 MB/s mark set by the 64GB capacity version of the card. Write speed peaked at 84.9 MB/s, which is slightly below the 90 MB/s rating Samsung advertises, and below the 88.5 MB/s benchmark set by the 64GB version.

Card: Samsung PRO Select microSDXC 128GB
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 Select microSDXC 128GB
Card Reader Benchmarks
Seq.
Read
1000MB
MB/s
Seq.
Write
1000MB
MB/s
Rand.
Read
512KB
MB/s
Rand.
Write
512KB
MB/s
Rand.
Read
4KB
MB/s
QD1
Rand.
Read
4KB
IOPS
QD1
Rand.
Write
4KB
MB/s
QD1
Rand.
Write
4KB
IOPS
QD1
Rand.
Read
4KB
MB/s
QD32
Rand.
Read
4KB
IOPS
QD32
Rand.
Write
4KB
MB/s
QD32
Rand.
Write
4KB
IOPS
QD32
Lexar LRWM04U-7000 UHS-II Reader94.91184.20983.4552.8748.6762118.22.180532.39.3272277.12.135521.3
Lexar Professional Workflow SR2 UHS-II94.88583.90083.4552.3128.6762118.22.196536.19.2962269.52.132520.4
SanDisk Extreme Pro UHS-II SD Reader/Writer93.53184.27083.5522.3288.6982123.42.175531.19.3372279.62.155526.2
Transcend Multi-Card Reader RDF993.19884.01483.3722.4758.6622114.72.175531.09.2932268.92.123518.3
Delkin Dual Slot SD UHS-II and CF Card Reader93.14184.27083.3722.3868.6302107.02.177531.59.2442256.72.146524.0
Kingston MobileLite G4 UHS-II93.05084.31883.2482.4018.8062150.02.163528.19.3172274.72.135521.2
Delkin Travel Reader92.82784.94681.1242.6768.6952122.72.171530.19.2732264.02.135521.2
Lexar Professional Dual Slot UHS-II Card Reader92.75383.89383.3862.1548.7132127.32.044499.09.2602260.62.077507.0
Kingston FCR-HS4 Card Reader92.65583.81983.1522.4548.6402109.42.179531.99.2642261.72.138522.0
Transcend Multi-Card Reader RDF8 Black91.97284.46081.6082.8788.2542015.22.017492.58.8782167.42.025494.4
Delkin Universal Memory Card Reader91.71584.57681.6082.2368.2832022.32.002488.78.8752166.62.005489.4
Lexar LRWM03U-7000 UHS-I microSD Reader91.23684.20380.3372.4238.0751971.42.194535.68.4832070.92.128519.5
Transcend SD Card Reader RDF5 Black90.87283.56580.1372.3896.6311618.81.847450.96.7671652.21.824445.4
SanDisk microSD UHS-II USB 3.0 Reader89.96083.18178.4342.3938.5232080.72.053501.29.0802216.82.073506.1
SanDisk ImageMate All-In-One USB 3.089.89182.77473.1562.2954.9661212.51.637399.65.0001220.71.585386.9
Sony MRW-E90 XQD 2.0 / SD UHS-II Card Reader89.77583.26078.3952.4738.4842071.42.035496.99.0752215.62.051500.8
Lexar LRWM05U-7000 UHS-II microSD Reader89.44682.22878.4732.4128.2752020.31.999488.08.9932195.52.015492.0

Additional write speed test results will be added once the PRO Select 128GB microSDXC card has been tested in cameras. The results will be shown below when available.

Samsung PRO Select microSDXC 128GB
Tested in Camera
Write Speed
(MB/s)
Canon 5D Mark IV73.8
Nikon D560073.6
Olympus E-M1 II39.9

Cameras tested with this card: Canon 5D Mark IV, Nikon D5600, Olympus E-M1 II

The following table contains information encoded in the SD card.

Samsung PRO Select microSDXC 128GB microSD — Internal Card Information
Serial number (PSN)1247499255
Product Name (PNM)0
Product Revision1.0
Manufacturer ID (MID)0x00001b
OEM ID (OID)SM
Manufacture Date (MDT)07/2016
Total capacity128,026,935,296 bytes

The Samsung PRO Select 128GB microSDXC card contains OEM ID (OID) "SM" and manufacturer ID (MID) 0x00001b in the card identification register. These codes denote Samsung as the manufacturer. The total card capacity is 128,026,935,296 bytes. The card register also contains the production date of July, 2016.

Available sizes and prices

Compare prices on the Samsung PRO Select 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 Select microSD32$0.78$24.99
Samsung PRO Select microSD64$0.78$49.99
Samsung PRO Select microSD128$0.67$85.41