diff --git a/ChangeLog b/ChangeLog
index a7a2a3e5..a5891a67 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -122,4 +122,5 @@ https://github.com/olikraus/u8g2 ChangeLog
   * Added support for 64128N ST7565 based display (issue 292)
   * Added extended fonts (_te, unicodes 32-701, issue 284)
   * Added support for MAX7219 (issue 280)
+  * Performance optimization for SSD1322/25/27  (issue 302)
   
\ No newline at end of file
diff --git a/csrc/u8x8_d_ssd1322.c b/csrc/u8x8_d_ssd1322.c
index d98b0d78..4807180a 100644
--- a/csrc/u8x8_d_ssd1322.c
+++ b/csrc/u8x8_d_ssd1322.c
@@ -215,6 +215,10 @@ uint8_t u8x8_d_ssd1322_common(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *
       y *= 8;
     
       
+      u8x8_cad_SendCmd(u8x8, 0x075 );	/* set row address, moved out of the loop (issue 302) */
+      u8x8_cad_SendArg(u8x8, y);
+      u8x8_cad_SendArg(u8x8, y+7);
+      
       do
       {
 	c = ((u8x8_tile_t *)arg_ptr)->cnt;
@@ -226,10 +230,6 @@ uint8_t u8x8_d_ssd1322_common(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *
 	  u8x8_cad_SendArg(u8x8, x );	/* start */
 	  u8x8_cad_SendArg(u8x8, x+1 );	/* end */
 
-	  u8x8_cad_SendCmd(u8x8, 0x075 );	/* set row address */
-	  u8x8_cad_SendArg(u8x8, y);
-	  u8x8_cad_SendArg(u8x8, y+7);
-	  
 	  u8x8_cad_SendCmd(u8x8, 0x05c );	/* write to ram */
 	  
 	  u8x8_cad_SendData(u8x8, 32, u8x8_ssd1322_8to32(u8x8, ptr));
@@ -262,7 +262,7 @@ static const u8x8_display_info_t u8x8_ssd1322_256x64_display_info =
   /* post_reset_wait_ms = */ 100, /* far east OLEDs need much longer setup time */
   /* sda_setup_time_ns = */ 50,		/* SSD1322: 15ns, but cycle time is 100ns, so use 100/2 */
   /* sck_pulse_width_ns = */ 50,	/* SSD1322: 20ns, but cycle time is 100ns, so use 100/2, AVR: below 70: 8 MHz, >= 70 --> 4MHz clock */
-  /* sck_clock_hz = */ 8000000UL,	/* since Arduino 1.6.0, the SPI bus speed in Hz. Should be  1000000000/sck_pulse_width_ns, increased to 8MHz (issue 215) */
+  /* sck_clock_hz = */ 10000000UL,	/* since Arduino 1.6.0, the SPI bus speed in Hz. Should be  1000000000/sck_pulse_width_ns, increased to 8MHz (issue 215), 10 MHz (issue 301) */
   /* spi_mode = */ 0,		/* active high, rising edge */
   /* i2c_bus_clock_100kHz = */ 4,
   /* data_setup_time_ns = */ 10,
diff --git a/csrc/u8x8_d_ssd1325.c b/csrc/u8x8_d_ssd1325.c
index a679288f..97593936 100644
--- a/csrc/u8x8_d_ssd1325.c
+++ b/csrc/u8x8_d_ssd1325.c
@@ -199,7 +199,11 @@ static uint8_t u8x8_d_ssd1325_128x64_generic(u8x8_t *u8x8, uint8_t msg, uint8_t
       y *= 8;
       y += u8x8->x_offset;		/* x_offset is used as y offset for the SSD1325 */
     
-      
+
+      u8x8_cad_SendCmd(u8x8, 0x075 );	/* set row address */
+      u8x8_cad_SendArg(u8x8, y);
+      u8x8_cad_SendArg(u8x8, y+7);
+    
       do
       {
 	c = ((u8x8_tile_t *)arg_ptr)->cnt;
@@ -214,9 +218,6 @@ static uint8_t u8x8_d_ssd1325_128x64_generic(u8x8_t *u8x8, uint8_t msg, uint8_t
 	    u8x8_cad_SendArg(u8x8, x );	/* start */
 	    u8x8_cad_SendArg(u8x8, x+3 );	/* end */
 
-	    u8x8_cad_SendCmd(u8x8, 0x075 );	/* set row address */
-	    u8x8_cad_SendArg(u8x8, y);
-	    u8x8_cad_SendArg(u8x8, y+7);
 	    
 	    
 	    u8x8_cad_SendData(u8x8, 32, u8x8_ssd1325_8to32(u8x8, ptr));
diff --git a/csrc/u8x8_d_ssd1327.c b/csrc/u8x8_d_ssd1327.c
index 369ee8aa..a7cdf4b1 100644
--- a/csrc/u8x8_d_ssd1327.c
+++ b/csrc/u8x8_d_ssd1327.c
@@ -136,6 +136,10 @@ static uint8_t u8x8_d_ssd1327_96x96_generic(u8x8_t *u8x8, uint8_t msg, uint8_t a
       y = (((u8x8_tile_t *)arg_ptr)->y_pos);
       y *= 8;
     
+      u8x8_cad_SendCmd(u8x8, 0x075 );	/* set row address, moved out of the loop (issue 302) */
+      u8x8_cad_SendArg(u8x8, y);
+      u8x8_cad_SendArg(u8x8, y+7);
+	  
       
       do
       {
@@ -148,10 +152,6 @@ static uint8_t u8x8_d_ssd1327_96x96_generic(u8x8_t *u8x8, uint8_t msg, uint8_t a
 	  u8x8_cad_SendArg(u8x8, x );	/* start */
 	  u8x8_cad_SendArg(u8x8, x+3 );	/* end */
 
-	  u8x8_cad_SendCmd(u8x8, 0x075 );	/* set row address */
-	  u8x8_cad_SendArg(u8x8, y);
-	  u8x8_cad_SendArg(u8x8, y+7);
-	  
 	  
 	  u8x8_cad_SendData(u8x8, 32, u8x8_ssd1327_8to32(u8x8, ptr));
 	  ptr += 8;
diff --git a/sys/arduino/u8g2_page_buffer/FPS/FPS.ino b/sys/arduino/u8g2_page_buffer/FPS/FPS.ino
index 9ffea951..885b9fa6 100644
--- a/sys/arduino/u8g2_page_buffer/FPS/FPS.ino
+++ b/sys/arduino/u8g2_page_buffer/FPS/FPS.ino
@@ -204,6 +204,16 @@
   U8G2_SSD1306_128X64_NONAME_1_4W_HW_SPI	Uno	8MHz	Clip=32.9 Box=84.1  @=4.7 Pix=9.0		issue 215
 
   U8G2_ST7565_EA_DOGM128_1_4W_HW_SPI 		Uno	4MHz	Clip=32.0 Box=78.5  @=4.7 Pix=8.9		issue 215
+  
+  U8G2_SSD1322_NHD_256X64_1_4W_HW_SPI		Uno	8MHz 16 Bit	Clip=9.0 Box=10.7  @=2.0 Pix=3.0		issue 302 before optimization
+  U8G2_SSD1322_NHD_256X64_1_4W_HW_SPI		Uno	10MHz 16 Bit	Clip=10.9 Box=13.5  @=2.0 Pix=3.2	issue 302 after optimization (runs with 8MHz)
+  
+  U8G2_SSD1327_SEEED_96X96_1_HW_I2C		Uno			Clip=1.2 Box=1.2  @=0.9 Pix=1.0		issue 302 before optimization
+  U8G2_SSD1327_SEEED_96X96_1_HW_I2C		Uno			Clip=1.4 Box=1.4  @=1.0 Pix=1.2		issue 302 after optimization
+  
+  U8G2_SSD1325_NHD_128X64_1_4W_HW_SPI		Uno			Clip=18.2 Box=25.1  @=4.0 Pix=6.7		issue 302 before optimization
+  U8G2_SSD1325_NHD_128X64_1_4W_HW_SPI		Uno			Clip=19.1 Box=28.3  @=4.1 Pix=7.2		issue 302 after optimization
+  
 */