SD card reader comparison table
| PCI express mini card | ||||||||||
| Model Name | Photo | Size | Interface | Controller | SD Slot | SDHC | SDXC | SD Spec. | SDIO | MMC | 
| MR04 |  | Full size mPCIe | USB  2.0 | Genesys GL823 | SD | Yes | workable | SD 2.0 | No | Yes | 
| MR04R |  | Full size mPCIe | PCIe  x1 | RICOH R5U230 | SD | Yes | workable | SD HOST 2.0 | SDIO 2.0 | Yes | 
| MR09R Discontinued 停產品 終息製品 |  | Full size mPCIe | PCIe  x1 | RICOH R5U230 | Micro SD | Micro SDHC | workable | SD HOST 2.0 | SDIO 2.0 | No | 
| MR14 |  | Half size mPCIe | USB  2.0 | Alcor AU6431 | Micro SD | Micro SDHC | UHS-1 | SD 3.0 | No | No | 
| MR15 |  | Half size mPCIe | USB  2.0 (MiniCard 1.2) | Alcor AU6472 | Dual Micro SD | Micro SDHC | UHS-1 | SD 3.0 | No | No | 
| MR16 Discontinued 停產品 終息製品 |  | Full size mPCIe | mSATA | DB DB300 | SD | Yes | UHS-1 | SD 3.0 | No | Yes | 
| MR17 Discontinued 停產品 終息製品 |  | Half size mPCIe | mSATA (mini-SATA) | Dual Micro SD | Micro SDHC | UHS-1 | SD 3.0 | No | ||
| Expresscard | ||||||||||
| Model Name | Photo | Size | Interface | Controller | SD Slot | SDHC | SDXC | SD Spec. | SDIO | MMC | 
| EC220 |  | Expresscard 34mm | PCIe  x1 | RICOH R5U220 | SD | Yes | UHS-1 | SD HOST 3.0 | SDIO 2.0 | Yes | 
| EC220-IO |  | Expresscard 34mm | PCIe  x1 | RICOH R5U220 | SD | SDHC (LS) | UHS-1 (LS) | SD HOST 3.0 | SDIO 2.0 | Yes | 
| EC230 |  | Expresscard 34mm | PCIe  x1 | RICOH R5U230 | SD | Yes | workable | SD HOST 2.0 | SDIO 2.0 | Yes | 
| EC7836-U2 |  | Expresscard 34mm | USB2.0 | Skymedi SK7836 | SD | Yes | UHS-1 | SD 3.0 | No | Yes | 
| EC7836-U3 |  | Expresscard 34mm | USB3.0 | Skymedi SK7836 | SD | Yes | UHS-1 | SD 3.0 | No | Yes | 
| EC822 |  | Expresscard 34mm | USB2.0 | Genesys GL822 | SD | Yes | UHS-1 | SD 3.0 | No | Yes | 
| EC823 |  | Expresscard 34mm | USB2.0 | Genesys GL823 | SD | Yes | Compatible | SD 2.0 | No | Yes | 
| Others | ||||||||||
| Model Name | Photo | Size | Interface | Controller | SD Slot | SDHC | SDXC | SD Spec. | SDIO | MMC | 
| SDCBA-C01 |  | PCMCIA Card | PCI | RICOH R5C833 | SD | Yes | No | SD HOST 2.0 | SDIO 2.0 | Yes | 
| MP230 |  | PCI-E x1 Board | PCIe x1 | RICOH R5U230 | SD | Yes | Compatible | SD HOST 3.0 | SDIO 2.0 | Yes | 
| SSDMD |  | 2.5” HDD | SATA | D-broad DB300 | SD | Yes | UHS-1 | SD HOST 3.01 | No | No | 
| Documents Download | |||
| SD card reader comparison |  Taiwan |  Taiwan 2 Mirror |  China Mirror | 
 
      
      
      








































