diff --git a/docs/img/sdcard/samsung_evo_plus_32gb.jpg b/docs/img/sdcard/samsung_evo_plus_32gb.jpg new file mode 100755 index 0000000..ab4d61f Binary files /dev/null and b/docs/img/sdcard/samsung_evo_plus_32gb.jpg differ diff --git a/docs/img/sdcard/sandisk_extreme_32gb.png b/docs/img/sdcard/sandisk_extreme_32gb.png new file mode 100755 index 0000000..f38bc99 Binary files /dev/null and b/docs/img/sdcard/sandisk_extreme_32gb.png differ diff --git a/docs/img/sdcard/sandisk_extreme_pro_32gb.png b/docs/img/sdcard/sandisk_extreme_pro_32gb.png new file mode 100755 index 0000000..2c59179 Binary files /dev/null and b/docs/img/sdcard/sandisk_extreme_pro_32gb.png differ diff --git a/docs/img/sdcard/test_result_samsung_evo_plus_32gb.png b/docs/img/sdcard/test_result_samsung_evo_plus_32gb.png new file mode 100755 index 0000000..621c513 Binary files /dev/null and b/docs/img/sdcard/test_result_samsung_evo_plus_32gb.png differ diff --git a/docs/img/sdcard/test_result_sandisk_extreme_32gb.png b/docs/img/sdcard/test_result_sandisk_extreme_32gb.png new file mode 100755 index 0000000..df8a434 Binary files /dev/null and b/docs/img/sdcard/test_result_sandisk_extreme_32gb.png differ diff --git a/docs/img/sdcard/test_result_sandisk_extreme_pro_32gb.png b/docs/img/sdcard/test_result_sandisk_extreme_pro_32gb.png new file mode 100755 index 0000000..48babae Binary files /dev/null and b/docs/img/sdcard/test_result_sandisk_extreme_pro_32gb.png differ diff --git a/docs/sdcard.md b/docs/sdcard.md index 3c7e4f1..7f8a4e9 100644 --- a/docs/sdcard.md +++ b/docs/sdcard.md @@ -191,6 +191,9 @@ Below a non-exhaustive list of microSD Card models that we tested to check compa | **MicroSD Card Model** | **UHS-I Compatibility Result** | |--------------------|----------------| | [Kingston Mobile Card microSDHC (16GB)](#kingston-mobile-card-microsdhc-16gb)|not compatible| +| [Samsung microSDHC UHS-I Card EVO Plus (32GB)](#samsung-microsdhc-uhs-i-card-evo-plus-with-sd-adapter-32gb)|**yes, but no performance improvement if used as boot drive**| +| [SanDisk Extreme microSDHC UHS-I Card (32GB)](#sandisk-extreme-microsdhc-uhs-i-card-with-adapter-32gb)|**yes, performance boosted**| +| [SanDisk Extreme PRO microSDHC UHS-I Card (32GB)](#sandisk-extreme-pro-microsdhc-uhs-i-card-with-adapter-32gb)|**yes, performance boosted**| | [Sandisk Ultra microSD UHS-I Card (32GB)](#sandisk-ultra-microsd-uhs-i-card-32gb)|**yes, but no performance improvement**| | [Sandisk Ultra microSD UHS-I Card (16GB)](#sandisk-ultra-microsd-uhs-i-card-16gb)|not compatible| | [Sandisk Ultra microSD UHS-I Card 48MBps (16GB)](#sandisk-ultra-microsd-uhs-i-card-48mbps-16gb)|not compatible| @@ -263,6 +266,128 @@ And the still did not finished the test after 8 hours. --- +#### Samsung microSDHC UHS-I Card EVO Plus with SD Adapter (32GB) + +![Samsung EVO Plus 32GB](/img/sdcard/samsung_evo_plus_32gb.jpg) + +*Specifications* + +| | | +| -----|------| +| Product Page | [https://www.samsung.com/us/computing/memory-storage/memory-cards/microsdhc-evo-plus-memory-card-w--adapter-32gb--2017-model--mb-mc32ga-am/](https://www.samsung.com/us/computing/memory-storage/memory-cards/microsdhc-evo-plus-memory-card-w--adapter-32gb--2017-model--mb-mc32ga-am/) | +| Manufacture Id | 0x00001b | +| OEM ID | 0x534d | +| Product Name | EB1QT | +| HW Revision | 0x3 | +| FW Revision | 0x0 | +| Serial Number | 0x6d4061eb | +| Manufacture Date | 06/2018 | +| Capacity Standard | SDHC | +| SD version* | 3.0 | +| Mode* | SD High Speed (50MHz) | +| Bus Speed* | 50000000 | +| Bus Width* | 4-bit | + +!!! Notes + * Value taken from U-Boot "mmc info". + +*Test Result* + +``` +[ 3.428116] mmc0: new high speed SDHC card at address 0001 +[ 3.434040] mmcblk0: mmc0:0001 EB1QT 29.8 GiB +[ 3.517590] mmcblk0: p1 +[ 48.452996] mmc0: card 0001 removed +[ 50.155681] mmc0: new ultra high speed DDR50 SDHC card at address 0001 +[ 50.162494] mmcblk0: mmc0:0001 EB1QT 29.8 GiB +[ 50.169200] mmcblk0: p1 +``` + +Card speed stays at high speed during boot up while other UHS-I compatible card switched to ultra high speed. +It only changed to ultra high speed after remove and reinsert the card. + +If the card is used as boot/system drive, it is not allowed to be removed during runtime therefore no performance gain since the speed stays at high speed. + +![!Samsung EVO Plus 32GB Test Result](/img/sdcard/test_result_samsung_evo_plus_32gb.png) + +--- + +#### SanDisk Extreme microSDHC UHS-I Card with Adapter (32GB) + +![SanDisk Extreme 32GB](/img/sdcard/sandisk_extreme_32gb.png) + +*Specifications* + +| | | +| -----|------| +| Product Page | [https://www.sandisk.com/home/memory-cards/microsd-cards/extreme-microsd](https://www.sandisk.com/home/memory-cards/microsd-cards/extreme-microsd) | +| Manufacture Id | 0x000003 | +| OEM ID | 0x5344 | +| Product Name | SM32G | +| HW Revision | 0x8 | +| FW Revision | 0x0 | +| Serial Number | 0x4313d13b | +| Manufacture Date | 10/2018 | +| Capacity Standard | SDHC | +| SD version* | 3.0 | +| Mode* | SD High Speed (50MHz) | +| Bus Speed* | 50000000 | +| Bus Width* | 4-bit | + +!!! Notes + * Value taken from U-Boot "mmc info". + +*Test Result* + +``` +mmc0: new ultra high speed DDR50 SDHC card at address aaaa +mmcblk0: mmc0:aaaa SM32G 29.7 GiB + mmcblk0: p1 +``` + + +![!SanDisk Extreme 32GB Test Result](/img/sdcard/test_result_sandisk_extreme_32gb.png) + +--- + +#### SanDisk Extreme PRO microSDHC UHS-I Card with Adapter (32GB) + +![SanDisk Extreme PRO 32GB](/img/sdcard/sandisk_extreme_pro_32gb.png) + +*Specifications* + +| | | +| -----|------| +| Product Page | [https://www.sandisk.com/home/memory-cards/microsd-cards/extremepro-microsd](https://www.sandisk.com/home/memory-cards/microsd-cards/extremepro-microsd) | +| Manufacture Id | 0x000003 | +| OEM ID | 0x5344 | +| Product Name | SP32G | +| HW Revision | 0x8 | +| FW Revision | 0x0 | +| Serial Number | 0x122a8270 | +| Manufacture Date | 10/2017 | +| Capacity Standard | SDHC | +| SD version* | 3.0 | +| Mode* | SD High Speed (50MHz) | +| Bus Speed* | 50000000 | +| Bus Width* | 4-bit | + +!!! Notes + * Value taken from U-Boot "mmc info". + +*Test Result* + +``` +mmc0: new ultra high speed DDR50 SDHC card at address e624 +mmcblk0: mmc0:e624 SP32G 29.7 GiB + mmcblk0: p1 +``` + + +![!SanDisk Extreme PRO 32GB Test Result](/img/sdcard/test_result_sandisk_extreme_pro_32gb.png) + +--- + #### Sandisk Ultra microSD UHS-I Card (32GB) ![Sandisk Ultra smartphone 32GB](/img/sdcard/sandisk_ultra_uhs-i_for_smartphone_32gb.jpg)