The SanDisk Extreme microSDXC card was updated in late 2018 with new A2 performance rating. The new Extreme microSD cards offer up to 160MB/s read speed when used in SanDisk's own readers. Their maximum speed is closer to 99MB/s when used in other card readers, including older SanDisk readers. The card's A2 performance rating indicates the card can perform at least 4,000 random read and 2,000 random write operations per second. This rating means the card is well suited for in smartphones, tablets and mobile devices. The card Video Speed Class V30 performance designation means this card can sustain at least 30MB/s continuous write speed which makes it idea for 4K video recording.
Extreme 160MB/s V30 A2 microSD cards are available in 32, 64, 128, 256 and 400GB capacities. The 256GB capacity microSDXC card model SDSQXA1-256G-AN6MA with UPC 619659169718 is tested in this review.
Performance of the Extreme 160MB/s A2 256GB microSD card was tested using card readers. The benchmark tests show that the card surpasses its quoted speed in the SanDisk MobileMate USB 3.0 Reader (SDDR-B531) reader. The highest sequential read speed reached up to 169.3 MB/s. In other card readers, including older SanDisk readers, the card only reached 99.3 MB/s read speed. Sequential write speed measured up to 101.4 MB/s in the fastest reader, also a SanDisk reader. Other readers performed up to 89.3MB/s write speed.
Card: SanDisk Extreme V30 A2 microSDXC 256GB
Benchmark: CrystalDiskMark 3.0.3 x64
Program settings: 1000 MB, 5 passes, random test data
Operating system: Windows 10 Pro
Motherboard: Gigabyte GA-Z77X-UD3H
Processor: Intel Core i7-3770K @ 4.40GHz
RAM: 32GB DDR3 1600
SanDisk Extreme V30 A2 microSDXC 256GB 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
SanDisk UHS-I Card Reader SDDR-C531 | 169.316 | 99.760 | 130.789 | 60.591 | 3.869 | 944.6 | 2.471 | 603.2 | 4.202 | 1025.9 | 2.594 | 633.4 |
SanDisk MobileMate USB 3.0 Reader | 169.098 | 101.380 | 131.223 | 60.561 | 3.640 | 888.6 | 2.391 | 583.7 | 3.943 | 962.7 | 2.497 | 609.5 |
Hama USB 3.0 UHS-II SD Card Reader | 99.335 | 87.578 | 81.662 | 55.683 | 5.699 | 1391.3 | 3.298 | 805.2 | 5.839 | 1425.5 | 3.290 | 803.2 |
Lexar Professional Workflow SR2 UHS-II | 99.259 | 87.593 | 81.649 | 55.070 | 5.686 | 1388.1 | 3.312 | 808.5 | 5.851 | 1428.4 | 3.306 | 807.2 |
Lexar LRWM04U-7000 UHS-II Reader | 99.259 | 87.352 | 81.635 | 56.569 | 5.667 | 1383.4 | 3.287 | 802.6 | 5.841 | 1426.0 | 3.309 | 807.9 |
SanDisk Extreme Pro SD UHS-II Reader/Writer | 98.988 | 87.850 | 74.638 | 52.744 | 4.568 | 1115.4 | 2.432 | 593.8 | 4.893 | 1194.5 | 2.558 | 624.5 |
Hama USB Type-C 3.1 UHS-II SD Card Reader | 98.978 | 88.234 | 81.608 | 56.119 | 5.710 | 1394.0 | 3.279 | 800.6 | 5.876 | 1434.6 | 3.278 | 800.2 |
Sony S1 High Speed UHS-II Reader/Writer | 98.960 | 87.040 | 73.590 | 53.543 | 4.259 | 1039.8 | 2.320 | 566.5 | 4.752 | 1160.2 | 2.467 | 602.2 |
Delkin Black Rugged Card Reader | 98.885 | 87.381 | 87.077 | 54.225 | 4.304 | 1050.9 | 2.448 | 597.6 | 4.790 | 1169.4 | 2.599 | 634.6 |
SanDisk Extreme Pro UHS-II USB-C Reader SDDR-409 | 98.615 | 88.420 | 86.062 | 55.748 | 4.605 | 1124.2 | 2.457 | 599.7 | 4.788 | 1168.9 | 2.550 | 622.6 |
SanDisk Extreme Pro SD UHS-II USB-C Reader | 98.615 | 88.123 | 71.061 | 53.280 | 4.447 | 1085.7 | 2.459 | 600.3 | 4.762 | 1162.6 | 2.603 | 635.4 |
Kingston FCR-HS4 Card Reader | 97.624 | 88.555 | 81.446 | 56.550 | 5.676 | 1385.8 | 3.313 | 808.9 | 5.842 | 1426.4 | 3.278 | 800.3 |
Kingston MobileLite G4 UHS-II | 97.569 | 88.390 | 90.665 | 52.073 | 5.703 | 1392.2 | 3.302 | 806.1 | 5.845 | 1427.1 | 3.288 | 802.8 |
Delkin Multi-Card CFast SD UHS-II microSD Reader | 97.361 | 88.323 | 90.907 | 56.274 | 5.622 | 1372.5 | 3.335 | 814.2 | 5.829 | 1423.2 | 3.313 | 808.9 |
ProMaster Professional Dual Card Reader SD UHS-II | 97.307 | 88.279 | 91.315 | 56.283 | 5.713 | 1394.7 | 3.269 | 798.1 | 5.834 | 1424.3 | 3.285 | 802.0 |
Transcend Multi-Card Reader RDF9 | 97.189 | 88.249 | 90.867 | 56.763 | 5.685 | 1387.9 | 3.298 | 805.1 | 5.844 | 1426.8 | 3.312 | 808.6 |
Lexar Professional Dual Slot UHS-II Card Reader | 97.180 | 87.983 | 90.275 | 54.917 | 5.648 | 1378.9 | 2.884 | 704.0 | 5.833 | 1424.0 | 3.125 | 762.9 |
Delkin Dual Slot SD UHS-II and CF Card Reader | 97.171 | 88.323 | 81.500 | 56.311 | 5.676 | 1385.7 | 3.312 | 808.6 | 5.837 | 1425.0 | 3.274 | 799.3 |
SanDisk Extreme Pro UHS-II SD Reader/Writer | 97.153 | 88.086 | 90.590 | 51.893 | 5.683 | 1387.4 | 3.316 | 809.5 | 5.838 | 1425.3 | 3.302 | 806.1 |
Delkin Travel Reader | 97.027 | 88.027 | 88.290 | 53.987 | 5.629 | 1374.3 | 3.354 | 818.8 | 5.842 | 1426.3 | 3.332 | 813.4 |
DriverGenius USB 3.1(G1) / 3.0 UHS-II SD Card Reader | 96.563 | 87.990 | 84.730 | 50.811 | 5.437 | 1327.4 | 2.829 | 690.7 | 5.568 | 1359.4 | 3.056 | 746.1 |
Transcend Multi-Card Reader RDF8 Black | 96.527 | 89.279 | 72.399 | 55.683 | 5.307 | 1295.7 | 2.801 | 683.9 | 5.494 | 1341.2 | 3.071 | 749.7 |
Delkin Universal Memory Card Reader | 96.006 | 88.877 | 88.744 | 55.865 | 5.355 | 1307.4 | 2.816 | 687.5 | 5.450 | 1330.7 | 3.043 | 742.8 |
SanDisk ImageMate Pro Multi-Card Reader/Writer | 95.892 | 85.472 | 80.324 | 54.068 | 4.307 | 1051.6 | 2.421 | 591.1 | 4.793 | 1170.1 | 2.558 | 624.4 |
Verbatim USB-C Pocket Card Reader | 95.656 | 87.983 | 77.762 | 54.702 | 5.645 | 1378.2 | 2.830 | 691.0 | 5.629 | 1374.3 | 2.914 | 711.5 |
Transcend SD Card Reader RDF5 Black | 95.100 | 87.681 | 72.950 | 56.596 | 4.572 | 1116.1 | 2.484 | 606.4 | 4.844 | 1182.5 | 2.586 | 631.4 |
Sony MRW-E90 XQD 2.0 / SD UHS-II Card Reader | 93.132 | 84.974 | 84.996 | 55.206 | 5.246 | 1280.6 | 2.838 | 693.0 | 5.504 | 1343.8 | 3.061 | 747.2 |
This 256GB Extreme 160MB/s V30 A2 microSDXC card will be tested in digital cameras to evaluate actual write performance. Results will be posted in the following table.
Cameras tested with this card:
The following table contains information encoded in the SD card.
SanDisk Extreme V30 A2 microSDXC 256GB microSD — Internal Card Information | |
---|---|
Serial number (PSN) | 2149649674 |
Product Name (PNM) | SN256 |
Product Revision | 8.0 |
Manufacturer ID (MID) | 0x000003 |
OEM ID (OID) | SD |
Manufacture Date (MDT) | 08/2018 |
Total capacity | 255,869,321,216 bytes |
The internal card register shows this card was made in August 2018. The Manufacturer ID 0x000003 and OEM ID "SD" are consistent with memory cards produced by SanDisk.