nRF51 Series IC revision, nRF5 SDK, and SoftDevice compatibility matrix

This section shows the compatibility between the nRF51 Series IC revisions, the relevant SoftDevices (SD) and their corresponding SoftDevice Specifications (SDS), and Software Development Kits (SDK).

Table 1. nRF51 Series IC revisions, nRF5 SDKs, and SoftDevices
nRF51 IC rev.	nRF51 SDK^¹	S110 SD^²	S110 SDS^³	S120 SD^²	S120 SDS^³	S130 SD^²	S130 SDS^³	S210 SD^² ^⁴	S210 SDS^³	S310 SD^² ^⁵	S310 SDS^³
1	4.4.2	5.2.1^⁶	1.1	-	-	-	-	2.0.0^⁷	1.0	-	-
2	4.4.2	5.2.1	1.1					3.0.0	1.2	-	-
	5.2.0	6.0.0	1.2							1.0.0	1.0
	5.2.0	6.2.1	1.2
	6.1.0	7.x.x	1.3	1.0.1	1.1
	-	8.0.0	2.0	2.x	2.1			4.0.1	2.0	2.0.1	2.0
3		5.2.1	1.1	-	-			-	-	-	-
		6.2.1	1.2	-	-			-	-	-	-
	6.1.0	7.x.x	1.3	1.0.1	1.1			3.0.0	1.2	1.0.0	1.0
	7.0.1					0.5.0-1.alpha	0.5	4.0.1	2.0	-	-
	7.1.0									2.0.1	2.0
	7.2.0									2.0.1	2.0
	8.0.0	8.0.0	2.0	2.x	2.1	0.9.0-1.alpha				-	-
	8.1.0					1.0.0	1.0			-	-
	9.0.0							5.0.0	3.0	3.0.0	3.0
	10.0.0							5.0.0	3.0	3.0.0	3.0
	11.0.0	-	-	-	-	2.0.x	2.0	-	-	-	-
	12.0.0
	12.1.0
	12.2.0
	12.3.0

SDKs and SoftDevices