diff --git a/src/FSCommon.cpp b/src/FSCommon.cpp
index f23a51780..53db97bb4 100644
--- a/src/FSCommon.cpp
+++ b/src/FSCommon.cpp
@@ -23,7 +23,11 @@ SPIClass SDHandler = SPIClass(HSPI);
 SPIClass SDHandler = SPIClass(VSPI);
 #endif
 #elif defined(ARCH_NRF52)
+#if defined(SDCARD_USE_SPI1)
+#define SDHandler SPI1 // only used for esp32, SPI selection for NRF52 happens in variant.h (for now)
+#elif defined(SDCARD_USE_SPI)
 #define SDHandler SPI // only used for esp32
+#endif                // NRF52 SPI or SPI1
 #endif                // ESP32/NRF52
 #ifndef SD_SPI_FREQUENCY
 #define SD_SPI_FREQUENCY 4000000U
@@ -399,4 +403,4 @@ void setupSDCard()
 #endif
 #endif
 #endif
-}
+}
\ No newline at end of file
diff --git a/variants/mesh-tab/variant.h b/variants/mesh-tab/variant.h
index a912aa3af..533c931bc 100644
--- a/variants/mesh-tab/variant.h
+++ b/variants/mesh-tab/variant.h
@@ -25,7 +25,6 @@
 #define GPS_TX_PIN 17
 
 // #define HAS_SDCARD 1
-// #define SDCARD_USE_HSPI
 #define SPI_MOSI 13
 #define SPI_SCK 12
 #define SPI_MISO 11
diff --git a/variants/my_esp32s3_diy_oled/variant.h b/variants/my_esp32s3_diy_oled/variant.h
index dcaabe64d..8a3a39003 100644
--- a/variants/my_esp32s3_diy_oled/variant.h
+++ b/variants/my_esp32s3_diy_oled/variant.h
@@ -4,7 +4,7 @@
 
 // #define HAS_SCREEN 0
 // #define HAS_SDCARD
-// #define SDCARD_USE_HSPI
+// #define SDCARD_USE_SPI1
 
 #define USE_SSD1306
 
diff --git a/variants/rak4631/variant.h b/variants/rak4631/variant.h
index 907234b5c..ac8130943 100644
--- a/variants/rak4631/variant.h
+++ b/variants/rak4631/variant.h
@@ -108,11 +108,14 @@ static const uint8_t AREF = PIN_AREF;
  * SPI Interfaces
  */
 #define SPI_INTERFACES_COUNT 2
+#define SPI_32MHZ_INTERFACE 0 // 0: use SPIM3 for SPI and SPIM2 for SPI1; 1: the opposite
 
+// SPI pins for SX1262
 #define PIN_SPI_MISO (45)
 #define PIN_SPI_MOSI (44)
 #define PIN_SPI_SCK (43)
 
+// SPI1 pins for external(rak4630) spi (incl. SDCard)
 #define PIN_SPI1_MISO (29) // (0 + 29)
 #define PIN_SPI1_MOSI (30) // (0 + 30)
 #define PIN_SPI1_SCK (3)   // (0 + 3)
@@ -125,9 +128,14 @@ static const uint8_t SCK = PIN_SPI_SCK;
 // SD card SPI pin definitions
 
 #define HAS_SDCARD 1
-#define SPI_MOSI PIN_SPI_MOSI
-#define SPI_SCK PIN_SPI_SCK
-#define SPI_MISO PIN_SPI_MISO
+#define SDCARD_USE_SPI1 1
+
+#ifdef SDCARD_USE_SPI1
+#define SDCARD_SPI SPI1
+#endif
+#define SPI_MOSI PIN_SPI1_MOSI
+#define SPI_SCK PIN_SPI1_SCK
+#define SPI_MISO PIN_SPI1_MISO
 #define SDCARD_CS (26)
 
 /*
diff --git a/variants/t-deck/variant.h b/variants/t-deck/variant.h
index 859e086d3..8ffc4ea44 100644
--- a/variants/t-deck/variant.h
+++ b/variants/t-deck/variant.h
@@ -43,7 +43,6 @@
 
 // Have SPI interface SD card slot
 #define HAS_SDCARD 1
-#define SDCARD_USE_HSPI
 #define SPI_MOSI (41)
 #define SPI_SCK (40)
 #define SPI_MISO (38)
diff --git a/variants/tlora_t3s3_v1/variant.h b/variants/tlora_t3s3_v1/variant.h
index 06ee0292a..63caaaf12 100644
--- a/variants/tlora_t3s3_v1/variant.h
+++ b/variants/tlora_t3s3_v1/variant.h
@@ -74,3 +74,6 @@
 #define LR11X0_DIO3_TCXO_VOLTAGE 3.0
 #define LR11X0_DIO_AS_RF_SWITCH
 #endif
+
+#define HAS_SDCARD // Have SPI interface SD card slot
+#define SDCARD_USE_HSPI
\ No newline at end of file