PCI Express x16 슬롯의 Pinout은 아래와 같습니다.
| Pin | Side B Connector | Side A Connector | ||
| # | Name | Description | Name | Description |
| 1 | +12v | +12 volt power | PRSNT#1 | Hot plug presence detect |
| 2 | +12v | +12 volt power | +12v | +12 volt power |
| 3 | +12v | +12 volt power | +12v | +12 volt power |
| 4 | GND | Ground | GND | Ground |
| 5 | SMCLK | SMBus clock | JTAG2 | TCK |
| 6 | SMDAT | SMBus data | JTAG3 | TDI |
| 7 | GND | Ground | JTAG4 | TDO |
| 8 | +3.3v | +3.3 volt power | JTAG5 | TMS |
| 9 | JTAG1 | +TRST# | +3.3v | +3.3 volt power |
| 10 | 3.3Vaux | 3.3v volt power | +3.3v | +3.3 volt power |
| 11 | WAKE# | Link Reactivation | PWRGD | Power Good |
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| 12 | RSVD | Reserved | GND | Ground |
| 13 | GND | Ground | REFCLK+ | Reference Clock Differential pair |
| 14 | HSOp(0) | Transmitter Lane 0, Differential pair |
REFCLK- | |
| 15 | HSOn(0) | GND | Ground | |
| 16 | GND | Ground | HSIp(0) | Receiver Lane 0, Differential pair |
| 17 | PRSNT#2 | Hotplug detect | HSIn(0) | |
| 18 | GND | Ground | GND | Ground |
| 19 | HSOp(1) | Transmitter Lane 1, Differential pair |
RSVD | Reserved |
| 20 | HSOn(1) | GND | Ground | |
| 21 | GND | Ground | HSIp(1) | Receiver Lane 1, Differential pair |
| 22 | GND | Ground | HSIn(1) | |
| 23 | HSOp(2) | Transmitter Lane 2, Differential pair |
GND | Ground |
| 24 | HSOn(2) | GND | Ground | |
| 25 | GND | Ground | HSIp(2) | Receiver Lane 2, Differential pair |
| 26 | GND | Ground | HSIn(2) | |
| 27 | HSOp(3) | Transmitter Lane 3, Differential pair |
GND | Ground |
| 28 | HSOn(3) | GND | Ground | |
| 29 | GND | Ground | HSIp(3) | Receiver Lane 3, Differential pair |
| 30 | RSVD | Reserved | HSIn(3) | |
| 31 | PRSNT#2 | Hot plug detect | GND | Ground |
| 32 | GND | Ground | RSVD | Reserved |
| 33 | HSOp(4) | Transmitter Lane 4, Differential pair |
RSVD | Reserved |
| 34 | HSOn(4) | GND | Ground | |
| 35 | GND | Ground | HSIp(4) | Receiver Lane 4, Differential pair |
| 36 | GND | Ground | HSIn(4) | |
| 37 | HSOp(5) | Transmitter Lane 5, Differential pair |
GND | Ground |
| 38 | HSOn(5) | GND | Ground | |
| 39 | GND | Ground | HSIp(5) | Receiver Lane 5, Differential pair |
| 40 | GND | Ground | HSIn(5) | |
| 41 | HSOp(6) | Transmitter Lane 6, Differential pair |
GND | Ground |
| 42 | HSOn(6) | GND | Ground | |
| 43 | GND | Ground | HSIp(6) | Receiver Lane 6, Differential pair |
| 44 | GND | Ground | HSIn(6) | |
| 45 | HSOp(7) | Transmitter Lane 7, Differential pair |
GND | Ground |
| 46 | HSOn(7) | GND | Ground | |
| 47 | GND | Ground | HSIp(7) | Receiver Lane 7, Differential pair |
| 48 | PRSNT#2 | Hot plug detect | HSIn(7) | |
| 49 | GND | Ground | GND | Ground |
| 50 | HSOp(8) | Transmitter Lane 8, Differential pair |
RSVD | Reserved |
| 51 | HSOn(8) | GND | Ground | |
| 52 | GND | Ground | HSIp(8) | Receiver Lane 8, Differential pair |
| 53 | GND | Ground | HSIn(8) | |
| 54 | HSOp(9) | Transmitter Lane 9, Differential pair |
GND | Ground |
| 55 | HSOn(9) | GND | Ground | |
| 56 | GND | Ground | HSIp(9) | Receiver Lane 9, Differential pair |
| 57 | GND | Ground | HSIn(9) | |
| 58 | HSOp(10) | Transmitter Lane 10, Differential pair |
GND | Ground |
| 59 | HSOn(10) | GND | Ground | |
| 60 | GND | Ground | HSIp(10) | Receiver Lane 10, Differential pair |
| 61 | GND | Ground | HSIn(10) | |
| 62 | HSOp(11) | Transmitter Lane 11, Differential pair |
GND | Ground |
| 63 | HSOn(11) | GND | Ground | |
| 64 | GND | Ground | HSIp(11) | Receiver Lane 11, Differential pair |
| 65 | GND | Ground | HSIn(11) | |
| 66 | HSOp(12) | Transmitter Lane 12, Differential pair |
GND | Ground |
| 67 | HSOn(12) | GND | Ground | |
| 68 | GND | Ground | HSIp(12) | Receiver Lane 12, Differential pair |
| 69 | GND | Ground | HSIn(12) | |
| 70 | HSOp(13) | Transmitter Lane 13, Differential pair |
GND | Ground |
| 71 | HSOn(13) | GND | Ground | |
| 72 | GND | Ground | HSIp(13) | Receiver Lane 13, Differential pair |
| 73 | GND | Ground | HSIn(13) | |
| 74 | HSOp(14) | Transmitter Lane 14, Differential pair |
GND | Ground |
| 75 | HSOn(14) | GND | Ground | |
| 76 | GND | Ground | HSIp(14) | Receiver Lane 14, Differential pair |
| 77 | GND | Ground | HSIn(14) | |
| 78 | HSOp(15) | Transmitter Lane 15, Differential pair |
GND | Ground |
| 79 | HSOn(15) | GND | Ground | |
| 80 | GND | Ground | HSIp(15) | Receiver Lane 15, Differential pair |
| 81 | PRSNT#2 | Hot plug present detect | HSIn(15) | |
| 82 | RSVD#2 | Hot Plug Detect | GND | Ground |
테이블의 출처는 http://www.interfacebus.com/Design_PCI_Express_16x_PinOut.html 입니다.
이미지의 출처는 http://media.bestofmicro.com/B/D/98905/original/pcie-slot-big.gif 입니다.