R4i SDHC V1.4.5, also named R4i-SDHC V1.4.5, Red PCB R4i-SDHC, Red Box R4i-SDHC 1.4.5, R4i-SDHC V1.4.5 are manufactured by www.r4i-sdhc.com. This R4i card supports Nintendo DSi XL, DSi LL, DSi, DSLite and DS while R4-SDHC Card from www.r4i-sdhc.com supports Nintendo DS Lite and DS. If hunting for a R4 3DS card, please buy its 3DS version - R4i SDHC 3DS RTS.
No Block from DSi 1.4.5, 1.4.4, 1.4.3, 1.4.2 and 1.4.1 !!!