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SanDisk Extreme Pro 170MB/s UHS-I U3 V30 256GB SDXC Card Review

SanDisk Extreme Pro 170MB/s UHS-I U3 V30 256GB SDXC Card

Introduction

This SanDisk Extreme Pro 170MB/s UHS-I U3 V30 256GB SDXC card was introduced in late 2018 and offers an improved read speed compared with the 95MB/s card is replaced. The higher read speed can ony be achieved with SanDisk's proprietary card reader SDDR-C531. In other memory card readers it is limited to lower speeds around 99MB/s. The write speed is advertised as 90MB/s.

The Extreme Pro 170MB/s card is Video Speed Class V30 rated to provide at least 30MB/s continuous recording speed. This makes the card suitable for HD and 4K video recording where continuous write speed is important. The Extreme Pro 170MB/s card is offered in 64, 128, 256 and 512 GB capacities. The 256GB card model SDSDXXY-256G-ANCIN was tested for this review and is sold with UPC 619659170349. The card is backed by a lifetime warranty. The card was produced in China.

SanDisk Extreme Pro 170MB/s UHS-I U3 V30 256GB SDXC Card

Performance

The Extreme Pro 170MB/s 256GB card performance was tested in several memory card readers. Performance benchmarks show the maximum sequential read speed of 177.2 MB/s in the SanDisk SDDR-C531 card reader. The highest sequential write speed was 99.9 MB/s in the same reader. When tested in other card readers, the card only reached up to 99.2MB/s sequential read and 89.2 MB/s sequential write speed.

Card: SanDisk Extreme Pro 170MB/s 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 Pro 170MB/s 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-C531177.22999.931142.23960.9544.5571112.62.519615.15.0001220.82.669651.6
Lexar Professional Workflow SR2 UHS-II99.15687.53582.47055.3345.7141395.03.221786.45.8351424.53.223787.0
Hama USB 3.0 UHS-II SD Card Reader99.14787.52089.88855.0705.6771386.03.286802.25.8431426.53.289802.9
SanDisk Extreme Pro SD UHS-II Reader/Writer98.94187.83575.22354.5074.5611113.52.484606.64.8881193.42.624640.7
Hama USB Type-C 3.1 UHS-II SD Card Reader98.91388.08682.19354.8195.7851412.43.286802.35.8641431.83.295804.5
Sony S1 High Speed UHS-II Reader/Writer98.88587.30982.37654.5164.4691091.22.395584.64.8681188.42.548622.0
Delkin Black Rugged Card Reader98.81088.05683.31754.6044.3191054.52.425591.94.8101174.32.569627.1
SanDisk Extreme Pro SD UHS-II USB-C Reader98.69088.14584.43854.4984.4311081.82.440595.84.7761166.02.601635.0
SanDisk Extreme Pro UHS-II USB-C Reader SDDR-40998.56087.94671.36754.8904.6421133.32.448597.64.7701164.52.590632.4
Transcend Multi-Card Reader RDF997.66088.30982.44354.8455.6811386.93.245792.35.8261422.33.282801.3
Kingston MobileLite G4 UHS-II97.61588.07181.51455.6095.6471378.63.308807.65.8421426.13.273799.1
Delkin Dual Slot SD UHS-II and CF Card Reader97.47888.28690.89255.4255.6821387.13.233789.25.8431426.63.224787.2
SanDisk Extreme Pro UHS-II SD Reader/Writer97.17188.14590.81655.0805.6791386.53.273799.05.8371425.13.273799.2
ProMaster Professional Dual Card Reader SD UHS-II97.16287.91681.51455.2065.6891388.83.262796.35.8471427.53.287802.6
Delkin Multi-Card CFast SD UHS-II microSD Reader97.12688.11690.75655.7665.6561380.93.348817.45.8351424.53.292803.7
Lexar LRWM04U-7000 UHS-II Reader97.03688.07190.86755.1165.6241373.23.250793.55.8211421.13.274799.3
Kingston FCR-HS4 Card Reader97.02788.01991.06154.7025.7011391.83.249793.15.8361424.93.207783.0
Delkin Travel Reader97.01988.05688.71554.4185.6481378.93.310808.15.8271422.63.322811.1
Lexar Professional Dual Slot UHS-II Card Reader96.95687.98390.93753.3505.6691384.12.876702.15.8341424.23.073750.2
Delkin Universal Memory Card Reader96.57289.22580.48855.3435.3961317.32.771676.55.5001342.72.994731.0
Transcend Multi-Card Reader RDF8 Black96.24489.19579.30754.7835.3961317.32.775677.45.5111345.52.986729.0
DriverGenius USB 3.1(G1) / 3.0 UHS-II SD Card Reader95.95387.16385.57754.6855.3881315.42.814687.05.4911340.73.064747.9
Verbatim USB-C Pocket Card Reader95.94487.83584.84254.6855.7511404.02.833691.75.5711360.22.936716.7
SanDisk ImageMate Pro Multi-Card Reader/Writer95.86585.57784.85653.2534.3371058.92.364577.04.7961170.92.515614.0
Transcend SD Card Reader RDF5 Black95.04987.60081.90655.3794.6111125.72.479605.24.8401181.72.599634.5
Sony MRW-E90 XQD 2.0 / SD UHS-II Card Reader93.24885.20284.82853.9875.2521282.32.811686.25.4941341.33.001732.6

The Extreme Pro 170MB/s card will be included in future camera performance tests. The results from cameras tests will be added below when available.

Cameras tested with this card:

The following table contains information encoded in the SD card.

SanDisk Extreme Pro 170MB/s 256GB SD — Internal Card Information
Serial number (PSN)1270515184
Product Name (PNM)SR256
Product Revision8.0
Manufacturer ID (MID)0x000003
OEM ID (OID)SD
Manufacture Date (MDT)09/2018
Total capacity255,869,321,216 bytes

The internal card register shows that this card was made in September 2018. The register contains Manufacturer ID 0x000003 and OEM ID "SD" which is typical of SanDisk memory cards.

Available sizes and prices

Compare prices on the SanDisk Extreme Pro 170MB/s U3 V30 card. The lowest prices are highlighted in the table below. Prices are updated daily.

CardSize
GB
Lowest
$ / GB
Prices
AmazonB&H PhotoAdorama
SanDisk Extreme Pro 170MB/s U3 V30 64GB64$0.32$20.49Check price$20.49
SanDisk Extreme Pro 170MB/s U3 V30 128GB128$0.31$39.99Check price$39.99
SanDisk Extreme Pro 170MB/s U3 V30 256GB256$0.29$73.07Check price$73.99
SanDisk Extreme Pro 170MB/s U3 V30 512GB512$0.37$189.99Check price$199.95