diff --git a/flashchips.c b/flashchips.c
index 4324c11..65dda0e 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -2331,6 +2331,44 @@
 
 	{
 		.vendor		= "Atmel",
+		.name		= "AT25SF321",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= ATMEL_ID,
+		.model_id	= ATMEL_AT25SF321,
+		.total_size	= 4096,
+		.page_size	= 256,
+		.feature_bits	= FEATURE_WRSR_WREN,
+		.tested		= TEST_OK_PR,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 1024} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 128} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {64 * 1024, 64} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {4096 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {4096 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_plain,
+		.unlock		= spi_disable_blockprotect,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {2500, 3600},
+	},
+
+	{
+		.vendor		= "Atmel",
 		.name		= "AT25SL128A",
 		.bustype	= BUS_SPI,
 		.manufacture_id	= ATMEL_ID,
diff --git a/flashchips.h b/flashchips.h
index 2c2da6c..f02958c 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -150,6 +150,7 @@
 #define ATMEL_AT25SF041		0x8401
 #define ATMEL_AT25SF081		0x8501
 #define ATMEL_AT25SF161		0x8601
+#define ATMEL_AT25SF321		0x8701
 #define ATMEL_AT25SL128A	0x4218
 #define ATMEL_AT26DF041		0x4400
 #define ATMEL_AT26DF081		0x4500	/* guessed, no datasheet available */