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SanDisk Extreme Plus 100 MB/s UHS-I U3 V30 A1 128GB microSDXC Card Review

SanDisk Extreme Plus 100 MB/s UHS-I U3 V30 A1 128GB microSDXC Memory Card

Introduction

The updated version of SanDisk Extreme Plus 128GB microSDXC card adds the App Performance Class 1 (A1) rating. This rating is given to cards that can perform a minimum of 1500 IOPS read and 500 IOPS write and makes the card ideal for use in mobile devices. The card is rated at 100 MB/s read speed and 90 MB/s write speed, making it one of the fastest UHS-I microSD cards available. As with the previous generation Extreme Plus, this one is Video Speed Class 30 (V30) rated for use with HD and 4K video that requires at least 30MB/s continuous write speed.

Extreme Plus 100 MB/s A1 microSD cards are offered in 32, 64 and 128GB capacities. This review is for the 128GB microSDXC card model SDSQXBG-128G-GN6MA with UPC 619659154615. The card appearance is similar to the previous generation card except the updated version adds the A1 symbol to the card. The back of the card is marked made in China.

SanDisk Extreme Plus 100 MB/s UHS-I U3 V30 A1 128GB microSDXC Memory Card Back

Performance

This updated 128GB Extreme Plus microSDXC card was tested in several card readers using performance benchmark software. In these tests the fastest sequential read speed reached 99.5 MB/s. The sequential write measured as high as 91.2 MB/s. These results are consistent the speeds claimed by SanDisk and are practially the same as the last generation non-A1-rated Extreme Plus 128GB microSDXC card.

Card: SanDisk Extreme Plus 100MB/s A1 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

SanDisk Extreme Plus 100MB/s A1 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 Reader99.54290.66092.74864.5498.4342059.13.005733.79.3312278.13.060747.0
Lexar Professional Workflow SR2 UHS-II99.53390.96792.91663.2508.4592065.23.010734.99.3542283.83.039742.0
SanDisk Extreme Pro SD UHS-II USB-C Reader99.29789.88388.27661.1416.2601528.32.271554.56.5991611.02.394584.4
SanDisk Extreme Pro SD UHS-II Reader/Writer99.28890.36388.70061.9956.1151492.82.293559.86.6081613.32.425592.1
Sony S1 High Speed UHS-II Reader/Writer99.25990.79488.74463.2815.9351449.02.299561.36.2991537.82.402586.4
Delkin Black Rugged Card Reader99.19490.92887.97161.7315.6551380.72.295560.36.2431524.32.397585.3
Lexar Professional Dual Slot UHS-II Card Reader97.97091.08592.43962.3438.4272057.43.802928.29.3332278.74.064992.2
Delkin Multi-Card CFast SD UHS-II microSD Reader97.95290.02292.53763.2198.4662066.92.934716.49.3342278.72.981727.8
Transcend Multi-Card Reader RDF997.91590.93592.47063.2088.4592065.22.979727.39.3362279.23.021737.5
ProMaster Professional Dual Card Reader SD UHS-II97.88890.07692.22563.6338.4032051.63.075750.79.3642286.22.989729.7
Delkin Dual Slot SD UHS-II and CF Card Reader97.83390.57491.70763.7488.4702067.92.980727.59.3362279.23.041742.4
Kingston FCR-HS4 Card Reader97.72491.11792.62463.4158.3742044.52.990730.09.3542283.63.024738.3
Kingston MobileLite G4 UHS-II97.68791.18192.40962.7378.4872072.13.024738.39.3682287.13.059746.9
Delkin Universal Memory Card Reader97.61589.68391.25562.2100.909221.92.656648.50.992242.22.718663.6
Delkin Travel Reader97.53390.09990.05161.8028.4342059.12.961722.89.3182274.92.988729.5
Lexar C1 USB-C microSD Reader97.46988.76588.67161.0146.6041612.42.478605.07.0151712.62.512613.4
SanDisk Extreme Pro UHS-II SD Reader/Writer97.45190.03792.19463.1788.4082052.62.977726.99.3572284.33.036741.2
Transcend Multi-Card Reader RDF8 Black97.45190.09990.89264.4478.0191957.73.631886.68.9082174.83.831935.3
Verbatim USB-C Pocket Card Reader96.69689.55389.88863.6337.9721946.32.594633.39.1502233.92.681654.6
Lexar LRWM03U-7000 UHS-I microSD Reader96.18289.94589.38763.2297.2471769.34.1501013.27.8841924.74.2391034.8
Transcend SD Card Reader RDF5 Black95.47390.06889.02562.5195.9311448.12.314565.06.3381547.52.454599.1
SanDisk ImageMate All-In-One USB 3.094.89486.83180.35755.3254.6821143.02.127519.44.7791166.72.144523.5
Lexar LRWM05U-7000 UHS-II microSD Reader93.74887.01987.25060.2638.1731995.32.620639.79.0082199.32.707660.8
Sony MRW-E90 XQD 2.0 / SD UHS-II Card Reader93.69886.65987.72560.5118.1741995.72.629642.09.0912219.42.717663.3

Performance in cameras was tested using the Extreme Plus 100 MB/s A1 128GB microSDXC card. An average write speed during continuous shooting was calculated and results are shown in the table below. More cameras will be tested and added below when available.

SanDisk Extreme Plus 100MB/s A1 microSDXC 128GB
Tested in Camera
Write Speed
(MB/s)
Nikon D750077.4
Sony A976.2

Cameras tested with this card: Nikon D7500, Sony A9

The following table contains information encoded in the SD card.

SanDisk Extreme Plus 100MB/s A1 microSDXC 128GB microSD — Internal Card Information
Serial number (PSN)1397165753
Product Name (PNM)AGGCF
Product Revision8.0
Manufacturer ID (MID)0x000003
OEM ID (OID)SD
Manufacture Date (MDT)05/2017
Total capacity127,865,454,592 bytes

Available sizes and prices

Compare prices on the SanDisk Extreme Plus 100MB/s A1 microSD card. The lowest prices are highlighted in the table below. Prices are updated daily.

CardSize
GB
Lowest
$ / GB
Prices
AmazonB&H PhotoAdorama
SanDisk Extreme Plus 100MB/s A1 microSD32$0.94$29.99
SanDisk Extreme Plus 100MB/s A1 microSD64$0.78$49.99
SanDisk Extreme Plus 100MB/s A1 microSD128$0.74$95.00