SoC revisions and variants

This section shows the package and memory variants for each nRF52840 SoC revision.

The package variant code, function variant code, and the first two characters of the build code can be read from the middle row of the markings on top of the nRF52840 SoC. For more information on the codes, see Ordering information in the nRF52840 Product Specification.

Table 1. nRF52840 SoC revisions and variants
nRF52840 SoC revision	Package variant code	Function variant code	Build code	Package	Flash	RAM
Engineering A	QI	AA	AA0	aQFN73	1 MB	256 kB
Engineering B	QI	AA	BB0	aQFN73
Engineering B	CK	AA	AA0	WLCSP
Engineering C	QI	AA	CA0	aQFN73
Engineering C	CK	AA	CA0	WLCSP
1	QI	AA	Cx0¹	aQFN73
1	CK	AA	Cx0¹	WLCSP
Engineering D	QI	AA	DA0	aQFN73
Engineering D	CK	AA	DA0	WLCSP
2	QI	AA	Dx0¹	aQFN73
2	CK	AA	Dx0¹	WLCSP
3	QF	AA	Fx0¹	QFN48
	QI			aQFN73
	CK			WLCSP

¹ Production device. The "x" represents a digit between 0 and 9.