Expansion Slots (M.2 Slots) - ASROCK NUCS Ultra 100 BOX Series User Manual

4.3 Expansion Slots (M.2 Slots)

There are three M.2 sockets on this motherboard.
M.2 sockets:
1 x M.2 (Key E, 2230) with PCIe x1, USB 2.0 and CNVi for Wireless
1 x M.2 (KEY M, 2242) with PCIe Gen4 x1 for SSD
1 x M.2 (KEY M, 2242/2280) with PCIe Gen4 x4 for SSD
M.2 Key-E Socket
(M2_E1)
Pin Signal Name Signal Name
1 GND +3.3V
3 USB_D+ +3.3V
5 USB_D- NA
7 GND NA
9 CNV_WGR_D1- CNV_RF_RESET
11 CNV_WGR_D1+ NA
13 GND MODEM_CLKREQ 14
15 CNV_WGR_D0- NA
17 CNV_WGR_D0+ GND
19 GND NA
21 CNV_WGR_CLK- CNV_BRI_RSP
23 CNV_WGR_CLK+
CNV_BGI_DT
33 GND CNV_RGI_RSP
35 PETp CNV_BRI_DT
37 PETn NA
39 GND NA
41 PERp NA
43 PERn NA
45 GND NA
47 PEFCLKp NA
49 PEFCLKn SUSCLK
51 GND PERST0#
53 CLKREQ# W_DISABLE1#
55 NA W_DISABLE2#
57 GND SMB_DATA
59 CNV_WT_D1- SMB_CLK
61 CNV_WT_D1+ NA
63 GND NA
65 CNV_WT_D0- NA
67 CNV_WT_D0+ NA
69 GND NA
71 CNV_WT_CLK- +3.3V
73 CNV_WT_CLK+ +3.3V
75 GND
M.2 Key-M Socket
(M2_M1)
Pin
Pin Signal Name Signal Name
2 1 GND
4 3 GND
6 5 PERn3
8 7 PERp3
10
9 GND SATA_LED
12
11 PETn3
13 PETp3
16
15 GND
18
17 PERn2
20
19 PERp2
22
21 GND
23 PETn2
25 PETp2
32
27 GND
34
29 PERn1
36
31 PERp1
38
33 GND USB_D+
40
35 PETn1 USB_D-
42
37 PETp1
44
39 GND SMB_CLK
46
41 PERn0 SMB_DATA
48
43 PERp0
50
45 GND
52
47 PETn0
54
49 PETP0 PERST#
56
51 GND CLKREQ#
58
53 PEFCLKn
60
55 PEFCLKp
62
57 GND
64
66
67 NA
68
69 PEDET
70
71 GND
72
73 GND
74
75 GND
NUCS Ultra 100 BOX Series
M.2 Key-M Socket
(M2_M2)
Pin Pin Signal Name
+3.3V 2 1 GND
+3.3V 4 3 GND
NA 6 5 NA
NA 8 7 NA
10 9 GND
+3.3V 12 11 NA
+3.3V 14 13 NA
+3.3V 16 15 GND
+3.3V 18 17 NA
NA 20 19 NA
NA 22 21 GND
NA 24 23 NA
NA 26 25 NA
NA 28 27 GND
NA 30 29 NA
GND 32 31 NA
34 33 GND
36 35 NA
GND 38 37 NA
40 39 GND
42 41 PERn0
NA 44 43 PERp0
NA 46 45 GND
NA 48 47 PETn0
50 49 PETP0
52 51 GND
NA 54 53 PEFCLKn
NA 56 55 PEFCLKp
NA 58 57 GND
NA 68 67 NA
+3.3V 70 69 PEDET
+3.3V 72 71 GND
+3.3V 74 73 GND
75 GND
Signal Name Pin
+3.3V 2
+3.3V 4
NA 6
NA 8
LED 10
+3.3V 12
+3.3V 14
+3.3V 16
+3.3V 18
NA 20
NA 22
NA 24
NA 26
NA 28
NA 30
GND 32
USB_D+ 34
USB_D- 36
GND 38
SMB_CLK 40
SMB_DATA 42
NA 44
NA 46
NA 48
PERST# 50
CLKREQ# 52
NA 54
NA 56
NA 58
NA 68
+3.3V 70
+3.3V 72
+3.3V 74
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