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

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

Introduction

The SanDisk Extreme 100MB/s U3 V30 A1 microSDXC card is the first Extreme card to wear the App Performance Class rating. The A1 speed means the card sustain at least 1500 random read input-output access per second (IOPS) and write IOPS of at least 500. The card also has the U3 and V30 ratings, making it appropriate for recording HD and 4K video. The V30 rating means the card can sustain at least 30MB/s continuous write speed. Extreme 100MB/s microSD cards are offered in 32, 64, 128 and 256GB capacities. The 128GB capacity microSDXC card model SDSQXAF-128G-GN6MA with UPC 519659156053 is the subject of this review.

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

Performance

The SanDisk Extreme 100MB/s A1 128GB SDXC card was tested in several USB 3.0 card readers using benchmark software. The highest sequential read speed mesasured 99.5 MB/s, which is pratically the 100MB/s read speed quote by SanDisk. Sequential write speed measured 64.3 MB/s, coming in just above the 60MB/s write speed claimed by SanDisk.

Card: SanDisk Extreme 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 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 Reader99.54264.11392.67152.3448.3642042.13.035741.09.2632261.53.071749.8
Lexar Professional Workflow SR2 UHS-II99.48564.31092.51652.7268.3782045.53.118761.29.2932268.93.099756.6
SanDisk Extreme Pro SD UHS-II Reader/Writer99.28863.76689.01052.5986.2581527.82.400586.06.6161615.22.478604.9
Sony S1 High Speed UHS-II Reader/Writer99.23164.11788.20351.4015.7931414.32.294560.06.2551527.02.385582.3
SanDisk Extreme Pro SD UHS-II USB-C Reader99.23164.04388.86251.9356.1131492.32.401586.26.5591601.42.488607.3
Delkin Black Rugged Card Reader99.19462.98988.07250.9265.9261446.92.279556.36.1801508.92.387582.8
ProMaster Professional Dual Card Reader SD UHS-II98.01663.78691.98052.7268.4372059.72.993730.69.3102273.03.047744.0
Lexar Professional Dual Slot UHS-II Card Reader98.01663.94992.77952.4128.3892048.23.889949.49.3052271.84.1141004.5
Delkin Dual Slot SD UHS-II and CF Card Reader97.87063.78292.40951.0598.3582040.43.017736.69.2922268.73.023738.0
Delkin Multi-Card CFast SD UHS-II microSD Reader97.79763.69792.51653.1328.4082052.63.034740.69.2702263.13.053745.3
Transcend Multi-Card Reader RDF997.79764.14592.45552.4378.3772045.23.006733.99.3072272.23.024738.4
Delkin Travel Reader97.72464.01290.00751.4268.3182030.73.025738.49.2712263.53.063747.9
Kingston MobileLite G4 UHS-II97.72464.32292.54753.1328.4282057.73.048744.29.2562259.63.094755.4
SanDisk Extreme Pro UHS-II SD Reader/Writer97.54264.02092.48552.3788.3762044.83.057746.39.2722263.73.111759.6
Kingston FCR-HS4 Card Reader97.49763.84492.34753.1588.2822021.93.007734.29.2882267.53.034740.8
Transcend Multi-Card Reader RDF8 Black97.38864.22781.01852.8817.9151932.53.673896.88.7832144.33.909954.3
Delkin Universal Memory Card Reader97.31663.97790.90752.4807.9881950.32.642645.08.7722141.62.727665.7
Lexar C1 USB-C microSD Reader97.11763.79088.67151.9356.5651602.72.511613.16.9891706.32.532618.3
Verbatim USB-C Pocket Card Reader96.64364.16189.18252.7448.0841973.72.607636.59.1092224.02.729666.2
Lexar LRWM03U-7000 UHS-I microSD Reader95.62163.45088.96651.5277.2071759.44.2831045.87.8751922.64.3391059.2
Transcend SD Card Reader RDF5 Black95.47364.25988.96653.2015.9231445.92.349573.66.3241543.92.476604.4
SanDisk ImageMate All-In-One USB 3.094.77463.98480.12449.5904.6761141.52.141522.74.7671163.92.159527.2
Lexar LRWM05U-7000 UHS-II microSD Reader93.74863.67486.50252.4466.3541551.42.613637.97.1541746.52.685655.5
Sony MRW-E90 XQD 2.0 / SD UHS-II Card Reader93.60664.14187.22152.2898.1501989.72.623640.39.0062198.82.782679.1

The Extreme 100MB/s A1 128GB microSDXC card was tested in cameras. Its maximum average write speed during continuous shooting was calculated. The results are posted in the table below. More results from additional cameras will been added when available.

SanDisk Extreme 100MB/s A1 microSDXC 128GB
Tested in Camera
Write Speed
(MB/s)
Sony A958.2
Nikon D750056.6

Cameras tested with this card: Nikon D7500, Sony A9

The following table contains information encoded in the SD card.

SanDisk Extreme 100MB/s A1 microSDXC 128GB microSD — Internal Card Information
Serial number (PSN)1130119182
Product Name (PNM)AFGCF
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 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 100MB/s A1 microSD32$0.59$18.99$18.99
SanDisk Extreme 100MB/s A1 microSD64$0.50$31.99$31.99
SanDisk Extreme 100MB/s A1 microSD128$0.51$64.94