Silicon Power Superior 256GB microSDXC Card Review

Introducing Silicon Power’s Superior 256GB microSDXC Card

It’s week number five of my 2020 SD Card review series, and this time we’re switching manufacturers and taking a look at a high-capacity UHS-I full-sized SD card from Silicon Power, the Superior microSDXC V30 UHS-I 128GB.

Silicon Power released the Superior line of Class 10 UHS-I V30 SD Cards in late 2019 targeting not only the mobile device storage market, but the consumer photography and videography markets as well. The Superior line of SDXC cards is ideal for video and burst-mode photography on a DSLR, or with 4K action cameras and drones, and with capacities up to 256GB, these cards make great mobile device storage upgrades.

From The Manufacturer: The Superior 256GB microSDXC Card

“With an advanced A2 rating, the Superior microSDXC UHS-I card is specifically designed for app enhancement. Minimum random read of 4,000 IOPS and random write of 2,000 IOPS equate to lightning-fast launches and smoother operation. This translates to an overall superior user experience on your Android-based smartphone, tablet, and other app-running mobile devices. It also saves internal storage space on your device.

Life moves fast, so you need a card that can keep up with its speed. With UHS Speed Class 1 (U3) and UHS Video Speed Class 30 (V30), the Superior microSDXC UHS-I card allows you to capture uninterrupted 4K Ultra HD videos. And, since every second counts, read and write speeds up to 100 and 80 MB/s, respectively, ensure that you’re spending more time recording every bit of the action in stunning quality.

Whether you’re looking to store data on your digital camera, smartphone, drone, portable game console, tablet, or another device, the Superior microSDXC UHS-I card can fulfill all of your needs. With up to 256GB storage capacity, it can store up to 39,400 songs, 75,200 photos, or 12 hours of 4K Ultra HD video. That’s a whole lot of data.”

Specifications
  • Class: C10, UHS-I U3, A2, V30
  • Capacity: 64GB, 128GB, 256GB
  • Dimensions: 15.0mm x 11.0mm x 1.0mm
  • Performance: Read(max.)100MB/s
  • Performance: Write(max.)80MB/s
  • Durability: 10,000 insertions (minimum)
  • Operating Temperature: 0°C – 70°C
  • Storage Temperature: -40°C – 85°C
  • Humidity Limits: 8% – 95%
  • Operation Voltage: 2.7V – 3.6V
  • Warranty: 5 years
Features
  • Meets the UHS-I U3 and the UHS Video Speed Class 30 (V30) standards for 4K Ultra HD video recording.
  • Specifically designed for high-speed capture of high-quality images and extended lengths of Full-HD and 4K Ultra HD video with high-speed continuous shooting.
  • Meets the new A2 standards for app performance, delivering minimum random read of 4,000 IOPS and random write of 2,000 IOPS, as well as sustained sequential speeds of at least 30 MB/s
    Read and write speeds up to 100 and 80 MB/s respectively.
  • Up to 256GB storage capacity so you can get more out of your mobile devices.
  • Fit for apps, photos, videos, music, and games to meet all the needs of digital life on your smartphone, tablet, digital camera, video recorder, and more.
  • Waterproof, dustproof, temperature-proof, and X-ray-proof for use in extreme environments.
  • Equipped with an automatic error correction code (ECC) function.

Testing Methodology on Silicon Power’s Superior 256GB microSDXC Card

All testing was completed using the following hardware:

Testing PC
  • Dell G7 7588 Gaming Laptop
  • Intel Core i7 8750H
  • SK Hynix 16GB (2x8GB) 2666Mhz DDR4
  • Nvidia GeForce 1060 Max-Q
  • Windows 10
  • USB Port 1 (USB 3.1) used for Testing
Kingston USB 3.0 High-Speed Card Reader


Kingston’s USB 3.0 High-Speed Media Reader reads all major card format types and supports UHS-I and UHS-II SD card speeds, making it ideal for photographers, videographers, design studios and printing houses. This versatile reader lets you easily transfer photos, videos, music and other data between your favorite cards and your PC. Features USB 3.0 high-speed performance with up to 5.0Gb/s data transfer speed, up to 10 times faster than USB 2.0.

All storage media is fully formatted using Window’s built-in formatting tools and verified to be empty before each benchmark is run. We only run benchmarks once unless the returned results appear to be erroneous, at which time we reformat the storage media, and rerun the benchmark.

Testing Software

Crystal Disk Mark (CDM) – An open-source disk drive benchmark tool for Microsoft Windows. Based on Microsoft’s MIT-licensed Diskspd tool, this graphical benchmark is commonly used for testing the performance of solid-state storage. It works by reading and writing through the filesystem in a volume-dependent way.

Anvil Storage Utilities (ASU) – Anvils Storage Utilities is a freeware SSD benchmarking application: Endurance and benchmark testing tool for analyzing the performance of both solid-state and traditional hard disk drives. ASU test throughput as well as IOPS and Disk Access Times. It features a preset SSD benchmark and is also capable of performing endurance testing and threaded I/O read, write, and mixed tests.

ATTO Disk Benchmark (ATTO) – Is a robust hard disk and solid-state storage benchmarking tool. Several options are available to customize your performance measurement including queue depth, overlapped I/O, and even a comparison mode with the option to run continuously. ATTO Disk Benchmark can be used to test any RAID controller, storage controllers, host adapters, hard drives, and SSD drives, or another solid-state storage medium that interfaces as a drive in your system.



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