10 SDXC/SDHC Memory Cards, Rounded Up And Benchmarked

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The latest flash-based SD memory cards with UHS-I deliver up to 63 MB/s throughput. Users who want to exploit that performance need to pay attention to a few details, like making sure they upgrade to a USB 3.0 card reader. Which card is the fastest?

Comparison Table And Test Setup

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Manufacturer Kingston Kingston Kingston
Family UltimateXX 233x UltimateXX 233x UltimateXX 233x
Model Number SDHA1/8GB SDHA1/16GB SDHA1/32GB
Capacity 8 GB 16 GB 32 GB
Rated Performance UHS-I UHS-I UHS-I
Form Factor SDHC SDHC SDHC
Carrying Case no no no
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Manufacturer Lexar Lexar PQI
Family Professional 133x Professional 133x SDXC C10
Model Number LSD16GCRBNA133 LSD32GCRBNA133 6AEI
Capacity 16 GB 32 GB 64 GB
Rated Performance Class 10 Class 10 Class 10
Form Factor SDHC SDHC SDXC
Carrying Case yes yes no
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Manufacturer Pretec Pretec Samsung SanDisk
Family SDHC 233X SDHC Class16 Plus Extreme Pro
Model Number SHS216G SHS332G MB-SP8G233 SDSDXP1-016G-A75
Capacity 16 GB 32 GB 8 GB 16 GB
Rated Performance Class 10 Class16 Class 6 UHS-I
Form Factor SDHC SDHC SDHC SDHC
Carrying Case yes yes yes yes

Test Setup

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System Hardware
CPU Intel Core i7-920 (Bloomfield) 45 nm, 2.66 GHz, 8 MB L3 Cache
Motherboard (LGA 1366) Supermicro X8SAX, Revision: 1.0, Chipset Intel X58 + ICH10R, BIOS: 1.0B
RAM 3 x 1 GB DDR3-1333 Corsair CM3X1024-1333C9DHX
HDD Seagate NL35 400 GB, ST3400832NS, 7200 RPM, SATA 1.5Gb/s, 8 MB Cache
Storage Controllers eSATA: on-board eSATA (ICH10R) USB 2.0: on-board USB 2.0 (ICH10R) USB 3.0: NEC D720200F1 (Gigabyte GA-USB3.0)
Card Reader Pretec P240 USB 3.0
Power Supply OCZ EliteXstream 800 W, OCZ800EXS-EU
Benchmarks
Performance Measurements h2benchw 3.16 CrystalDiskMark 3.0
I/O Performance IOMeter 2008.08.18 Fileserver-Benchmark Webserver-Benchmark Database-Benchmark Workstation-Benchmark Streaming Reads and Writes
System Software & Drivers
Operating System Windows 7 Ultimate