ESP32 PlatformIO Flash and PSRAM configurations

ESP32-C5-WROOM-(1/1U) - Datasheet

Module	Flash	PSRAM
ESP32-C5-WROOM-(1/1U)-N4	4 MB (Quad)	-
ESP32-C5-WROOM-(1/1U)-N8R4	8 MB (Quad)	4 MB (Quad)
ESP32-C5-WROOM-(1/1U)-N16R4	16 MB (Quad)	4 MB (Quad)

ESP32-S3 - Datasheet

Module	Flash	PSRAM
ESP32-S3-FN8	8 MB (Quad)	-
ESP32-S3-FH4R2	4 MB (Quad)	2 MB (Quad)

ESP32-S3-WROOM-(1/1U) - Datasheet

Module	Flash	PSRAM
ESP32-S3-WROOM-(1/1U)-(N/H)4	4 MB (Quad)	-
ESP32-S3-WROOM-(1/1U)-N8	8 MB (Quad)	-
ESP32-S3-WROOM-(1/1U)-N16	16 MB (Quad)	-
ESP32-S3-WROOM-(1/1U)-N4R2	4 MB (Quad)	2 MB (Quad)
ESP32-S3-WROOM-(1/1U)-N8R2	8 MB (Quad)	2 MB (Quad)
ESP32-S3-WROOM-(1/1U)-N16R2	16 MB (Quad)	2 MB (Quad)
ESP32-S3-WROOM-(1/1U)-N4R8	4 MB (Quad)	8 MB (Octal)
ESP32-S3-WROOM-(1/1U)-N8R8	8 MB (Quad)	8 MB (Octal)
ESP32-S3-WROOM-(1/1U)-N16R8	16 MB (Quad)	8 MB (Octal)
ESP32-S3-WROOM-(1/1U)-N16R16(V)	16 MB (Quad)	16 MB (Octal)

ESP32-S3-WROOM-2 - Datasheet

Module	Flash	PSRAM
ESP32-S3-WROOM-2-N16R8V	16MB (Octal)	8MB (Octal)
ESP32-S3-WROOM-2-N32R8V	32MB (Octal)	8MB (Octal)

ESP32-S3-MINI-(1/1U) - Datasheet

Module	Flash	PSRAM
ESP32-S3-MINI-(1/1U)-N4R2	4MB (Quad)	2 MB (Quad)
ESP32-S3-MINI-(1/1U)-N8	8MB (Quad)	-

Configurations

ESP32-C5-WROOM-(1/1U)-N4

; Flash: 4MB QD, no PSRAM
[env:esp32-c5-devkitc-1]
platform = espressif32
board = esp32-c5-devkitc-1
framework = arduino

Note: The ESP32-C5 requires Arduino 3.x based on ESP-IDF 5.5, which is not officially supported by PlatformIO. You must use the pioarduino fork of the Espressif32 platform!

ESP32-C5-WROOM-(1/1U)-N8R4

; Flash: 8MB QD, PSRAM: 4MB QD
[env:esp32-c5-devkitc-1]
platform = espressif32
board = esp32-c5-devkitc-1
framework = arduino

board_build.arduino.memory_type = qio_qspi
board_build.flash_mode = qio
board_upload.flash_size = 8MB
board_upload.maximum_size = 8388608
board_build.partitions = default_8MB.csv
board_build.extra_flags = 
  -DBOARD_HAS_PSRAM

Note: The ESP32-C5 requires Arduino 3.x based on ESP-IDF 5.5, which is not officially supported by PlatformIO. You must use the pioarduino fork of the Espressif32 platform!

ESP32-C5-WROOM-(1/1U)-N16R4

; Flash: 16MB QD, PSRAM: 4MB QD
[env:esp32-c5-devkitc-1]
platform = espressif32
board = esp32-c5-devkitc-1
framework = arduino

board_build.arduino.memory_type = qio_qspi
board_build.flash_mode = qio
board_build.psram_type = qio
board_upload.flash_size = 16MB
board_upload.maximum_size = 16777216
board_build.partitions = default_16MB.csv
board_build.extra_flags = 
  -DBOARD_HAS_PSRAM

Note: The ESP32-C5 requires Arduino 3.x based on ESP-IDF 5.5, which is not officially supported by PlatformIO. You must use the pioarduino fork of the Espressif32 platform!

ESP32-S3-FN8

; Flash: 8MB QD, no PSRAM
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.flash_mode = qio
board_upload.flash_size = 8MB
board_upload.maximum_size = 8388608
board_build.partitions = default_8MB.csv

ESP32-S3-FH4R2

; Flash: 4MB QD, PSRAM: 2MB QD
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.arduino.memory_type = qio_qspi
board_build.flash_mode = qio
board_build.psram_type = qio
board_upload.flash_size = 4MB
board_upload.maximum_size = 4194304
board_build.partitions = default.csv
board_build.extra_flags = 
  -DBOARD_HAS_PSRAM

ESP32-S3-WROOM-(1/1U)-(N/H)4

; Flash: 4MB QD, no PSRAM
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.flash_mode = qio
board_upload.flash_size = 4MB
board_upload.maximum_size = 4194304
board_build.partitions = default.csv

ESP32-S3-WROOM-(1/1U)-N8

; Flash: 8MB QD, no PSRAM
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.flash_mode = qio
board_upload.flash_size = 8MB
board_upload.maximum_size = 8388608
board_build.partitions = default_8MB.csv

ESP32-S3-WROOM-(1/1U)-N16

; Flash: 16MB QD, no PSRAM
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.flash_mode = qio
board_upload.flash_size = 16MB
board_upload.maximum_size = 16777216
board_build.partitions = default_16MB.csv

ESP32-S3-WROOM-(1/1U)-N4R2

; Flash: 4MB QD, PSRAM: 2MB QD
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.arduino.memory_type = qio_qspi
board_build.flash_mode = qio
board_build.psram_type = qio
board_upload.flash_size = 4MB
board_upload.maximum_size = 4194304
board_build.partitions = default.csv
board_build.extra_flags = 
  -DBOARD_HAS_PSRAM

ESP32-S3-WROOM-(1/1U)-N8R2

; Flash: 8MB QD, PSRAM: 2MB QD
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.arduino.memory_type = qio_qspi
board_build.flash_mode = qio
board_build.psram_type = qio
board_upload.flash_size = 8MB
board_upload.maximum_size = 8388608
board_build.partitions = default_8MB.csv
board_build.extra_flags = 
  -DBOARD_HAS_PSRAM

ESP32-S3-WROOM-(1/1U)-N16R2

; Flash: 16MB QD, PSRAM: 2MB QD
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.arduino.memory_type = qio_qspi
board_build.flash_mode = qio
board_build.psram_type = qio
board_upload.flash_size = 16MB
board_upload.maximum_size = 16777216
board_build.partitions = default_16MB.csv
board_build.extra_flags = 
  -DBOARD_HAS_PSRAM

ESP32-S3-WROOM-(1/1U)-N4R8

; Flash: 4MB QD, PSRAM: 8MB OT
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.arduino.memory_type = qio_opi
board_build.flash_mode = qio
board_build.psram_type = opi
board_upload.flash_size = 4MB
board_upload.maximum_size = 4194304
board_build.partitions = default.csv
board_build.extra_flags = 
  -DBOARD_HAS_PSRAM

ESP32-S3-WROOM-(1/1U)-N8R8

; Flash: 8MB QD, PSRAM: 8MB OT
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.arduino.memory_type = qio_opi
board_build.flash_mode = qio
board_build.psram_type = opi
board_upload.flash_size = 8MB
board_upload.maximum_size = 8388608
board_build.partitions = default_8MB.csv
board_build.extra_flags = 
  -DBOARD_HAS_PSRAM

ESP32-S3-WROOM-(1/1U)-N16R8

; Flash: 16MB QD, PSRAM: 8MB OT
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.arduino.memory_type = qio_opi
board_build.flash_mode = qio
board_build.psram_type = opi
board_upload.flash_size = 16MB
board_upload.maximum_size = 16777216
board_build.partitions = default_16MB.csv
board_build.extra_flags = 
  -DBOARD_HAS_PSRAM

ESP32-S3-WROOM-(1/1U)-N16R16(V)

; Flash: 16MB QD, PSRAM: 16MB OT
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.arduino.memory_type = qio_opi
board_build.flash_mode = qio
board_build.psram_type = opi
board_upload.flash_size = 16MB
board_upload.maximum_size = 16777216
board_build.partitions = default_16MB.csv
board_build.extra_flags = 
  -DBOARD_HAS_PSRAM

ESP32-S3-WROOM-2-N16R8V

; Flash: 16MB OT, PSRAM: 8MB OT
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.arduino.memory_type = opi_opi
board_build.flash_mode = opi
board_build.psram_type = opi
board_upload.flash_size = 16MB
board_upload.maximum_size = 16777216
board_build.partitions = default_16MB.csv
board_build.extra_flags = 
  -DBOARD_HAS_PSRAM

ESP32-S3-WROOM-2-N32R8V

; Flash: 32MB OT, PSRAM: 8MB OT
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.arduino.memory_type = opi_opi
board_build.flash_mode = opi
board_build.psram_type = opi
board_upload.flash_size = 32MB
board_upload.maximum_size = 33554432
board_build.partitions = default_32MB.csv
board_build.extra_flags = 
  -DBOARD_HAS_PSRAM

ESP32-S3-MINI-(1/1U)-N4R2

; Flash: 4MB QD, PSRAM: 2MB QD
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.arduino.memory_type = qio_qspi
board_build.flash_mode = qio
board_build.psram_type = qio
board_upload.flash_size = 4MB
board_upload.maximum_size = 4194304
board_build.partitions = default.csv
board_build.extra_flags = 
  -DBOARD_HAS_PSRAM

ESP32-S3-MINI-(1/1U)-N8

; Flash: 8MB QD, no PSRAM
[env:esp32-s3-devkitc-1]
platform = espressif32
board = esp32-s3-devkitc-1
framework = arduino

board_build.flash_mode = qio
board_upload.flash_size = 8MB
board_upload.maximum_size = 8388608
board_build.partitions = default_8MB.csv