Camera Memory Speed
Memory Card Comparison & Performance Tests for Digital Cameras

SanDisk Extreme Pro 280MB/s 32GB UHS-II SDHC Memory Card

SanDisk Extreme Pro UHS-II 280MB/s 32GB SD Card


The SanDisk Extreme Pro 280 MB/s UHS-II SD card uses the new UHS-II interface to provide the fastest SD memory card to date. UHS-II cards have a second row of contacts to provide a 4-lane bus and operate at a maximum 312 MB/s speed. UHS-II cards are reverse compatible with standard SD and UHS-I capable devices, but will operate at lower speed. The Extreme Pro UHS-II is available in 16, 32 and 64GB capacities.

SanDisk Extreme Pro 280MB/s UHS-II 32GB SDHC Card Back

Who should consider UHS-II cards? Primarilly those who have UHS-II devices. As of November 2014, the only digital cameras to support UHS-II are the Fuji X-T1 and Samsung NX1 (announced September 2014). Some recent Panasonic video cameras use microP2 which is the same format as UHS-II. Even if you don't have a UHS-II camera yet, you can still take advantage of the fast download speed UHS-II can provide. A UHS-II card reader connected through a USB 3.0 connection can provide over 200MB/s actual transfer speed.

SanDisk Extreme Pro 280B/s 32GB UHS-II SDHC Card SanDisk Extreme Pro 280MB/s 32GB UHS-II SDHC Card Back


To get an idea of its speed potential, we test the Extreme Pro UHS-II card in UHS-II card readers. Currently there are only a few readers that are UHS-II enabled. They are the SanDisk Extreme Pro UHS-II Reader, the Kingston MobileLite G4 and the Panasonic Micro P2 reader. These readers also support UHS-I and standard SD cards.

In the SanDisk UHS-II reader:
240.1 MB/s sequential read
203.0 MB/s sequential write

In the Kingston MobileLite G4:
239.7 MB/s sequential read
202.6 MB/s sequential write

Your hardware, drivers and operating system need to be up to date to experience the best performance. We saw an increase in USB 3.0 performance after updating from Windows 7 to Windows 8.

In UHS-I card readers that do not support UHS-II, the Extreme Pro UHS-II reverts to UHS-I performance. However it does not support the fastest SDR104 (104MB/s bus speed) variant; it is limited to 50MB/s bus speed. In UHS-I readers, the maximum sequential read speed we recorded was 48 MB/s, while maximum write speed was 46 MB/s. Compare this with the SanDisk Extreme Pro 95MB/s UHS-I card that performs up to 98MB/s read and 92MB/s write in UHS-I mode. Also consider the Toshiba Exceria Pro UHS-II card, which is able to provide UHS-II speed in addition to UHS-I SDR104. We measured the Toshiba UHS-II at 96MB/s read and 92MB/s write performance in UHS-I mode. It was also marginally faster than the SanDisk card at UHS-II speed.

Card: SanDisk Extreme Pro 280MB/s UHS-II 32GB 32 GB
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 Pro 280MB/s UHS-II 32GB 32 GB
Card Reader Benchmarks
Lexar LRWM04U-7000 UHS-II Reader274.496226.891197.3173.2267.8161908.21.601390.8
Lexar Professional Workflow SR2 UHS-II268.969225.403185.2183.3784.3911072.11.479361.1
Lexar Professional Dual Slot UHS-II Card Reader240.444201.166177.5483.2727.0711726.41.412344.8
SanDisk Extreme Pro UHS-II SD Reader/Writer240.086202.957176.5513.2967.6331863.61.591388.3
Delkin Dual Slot SD UHS-II and CF Card Reader239.702198.237175.2253.2747.1131736.61.502366.7
Kingston MobileLite G4 UHS-II239.675202.623176.6283.2067.6231861.11.571383.6
Transcend Multi-Card Reader RDF9239.019197.789174.7053.1087.0251715.01.502366.6
Kingston FCR-HS4 Card Reader238.367200.838174.3273.2676.9671701.01.497365.5
Sony MRW-E90 XQD 2.0 / SD UHS-II Card Reader230.786189.428186.7783.0756.3901560.11.370334.5
Lexar Professional Workflow SR148.22845.98446.0433.1316.3191542.81.458356.0
Transcend SD Card Reader RDF5 Black48.12045.88445.8193.1284.9461207.51.420346.7
Lexar Professional Dual Slot Reader47.81946.06746.0653.1086.5331594.91.449353.9
Transcend Multi-Card Reader RDF8 Black47.80446.05546.0653.0616.5201591.81.457355.8
Delkin Travel Reader47.77544.99244.9443.0336.7421645.91.568382.8
Delkin Universal Memory Card Reader47.55045.60845.6423.0336.1591503.71.511368.8
Kingston Multi-Card Reader FCR-HS347.42143.11637.8493.0144.5251104.71.574384.4
SanDisk ImageMate All-In-One USB 3.047.14844.87042.3503.0343.516858.41.272310.5

In cameras that do not have UHS-II support, the SanDisk Extreme Pro UHS-II card will operate at UHS-I speed. However this SanDisk card does not support UHS-I mode SDR104, so it will be limited to under 50MB/s speed. If you thought spending extra for the fastest card was a going to make your camera faster, you will have wasted your money. In UHS-I cameras such as the Nikon D800 and D7100 the card is only as fast as the Extreme 45MB/s card: In the D800 its maximum write speed was 29.5MB/s and in the D7100 its write speed was 38.3MB/s. The Canon 7D Mark II reached 39.8MB/s write speed.

SanDisk Extreme Pro 280MB/s UHS-II 32GB
Tested in Camera
Write Speed
Nikon D500138.7
Fuji X-Pro296.8
Olympus PEN-F86.9
Olympus E-M5 II75.6
Samsung NX158.0
Canon 80D41.7
Canon Rebel T6i/T6s41.1
Canon 7D Mark II39.8
Nikon D720039.2
Canon 5Ds38.9
Nikon D550038.2
Nikon D710038.2
Nikon D75037.8
Sony A7R II35.8
Sony A600034.4
Sony A630034.0
Canon 70D33.4
Canon 6D33.1
Pentax K-3 II32.7
Fuji X-T1031.8
Nikon D80029.5

Cameras tested with this card: Canon 5Ds, Canon 6D, Canon 7D Mark II, Canon 70D, Canon 80D, Canon Rebel T6i/T6s, Fuji X-Pro2, Fuji X-T10, Nikon D500, Nikon D750, Nikon D800, Nikon D7100, Nikon D7200, Nikon D5500, Olympus E-M5 II, Olympus PEN-F, Pentax K-3 II, Samsung NX1, Sony A7R II, Sony A6000, Sony A6300


For the most demanding high-speed applications, UHS-II has a clear advantage over UHS-I. Its reverse compatibility also assures it will work in existing devices. However, unless you have a UHS-II camera it may be hard to justify the cost of this card. You could spend less and get better UHS-I performance with the SanDisk Extreme Pro 95MB/s UHS-I card. If you want better UHS-I performance from a UHS-II card, you might consider the Toshiba Exceria Pro UHS-II card because it supports SDR104 (104 MB/s bus speed), but the Toshiba card is expensive and hard to obtain outside of Europe or Japan. The SanDisk Extreme Pro UHS-II will still provide high speed downloading of images to your computer.

The following table contains information encoded in the SD card.

SanDisk Extreme Pro 280MB/s UHS-II 32GB SD — Internal Card Information
Serial number (PSN)1374627996
Product Name (PNM)SP32G
Product Revision8.0
Manufacturer ID (MID)0x000003
Manufacture Date (MDT)03/2014
Total capacity31,641,829,376 bytes

Available sizes and prices

Compare prices on the SanDisk Extreme Pro 280MB/s card. The lowest prices are highlighted in the table below. Prices are updated daily.

$ / GB
AmazonB&H PhotoAdorama
SanDisk Extreme Pro 280MB/s SD UHS-II16$3.00$54.32Check price$47.95
SanDisk Extreme Pro 280MB/s SD UHS-II32$1.84$58.94Check price$58.95
SanDisk Extreme Pro 280MB/s SD UHS-II64$1.53$137.95Check price$97.95