Question GPU PCIe bus showing x4 instead of x16

[arshajib]

I bought a desktop yesterday, with a Gigabyte B360M D3H motherboard and Gigabyte GT 1030 2 GB GPU. Which is inserted into the PCIe x16 (Top pcie port). But i can see in system info that my GPU's PCI Bus is x4. Can anyone please explain this ?

My Build:

Intel i3 8100,
Gigabyte B360M D3H motherboard
Gigabyte GT 1030 2 GB GPU
G-Skill Ripjaws v 2400 1*8 GB,
WD 1TB HDD
Corsair VS 450 450w 80+ PSU
Dell 2219HX Monitor

ScreenShot:
https://ibb.co/BqC0dQN

NVIDIA System Information report created on: 03/23/2019 23:04:01

Spoiler: System info

[Display]
Operating System: Windows 10 Pro, 64-bit
DirectX version: 12.0
GPU processor: GeForce GT 1030
Driver version: 419.35
Driver Type: Standard
Direct3D API version: 12
Direct3D feature level: 12_1
CUDA Cores: 384
Core clock: 1265 MHz
Memory data rate: 6.01 Gbps
Memory interface: 64-bit
Memory bandwidth: 48.06 GB/s
Total available graphics memory: 6110 MB
Dedicated video memory: 2048 MB GDDR5
System video memory: 0 MB
Shared system memory: 4062 MB
Video BIOS version: 86.08.24.00.15
IRQ: Not used
Bus: PCI Express x4 Gen3
Device Id: 10DE 1D01 37671458
Part Number: G110 0000

 

[Dark Lord of Tech]

SIV - System Information Viewer

SIV - System Information Viewer

www.rh-software.com

 

[Lutfij]

Can you list the specs to your build?

 

[arshajib]

Can you list the specs to your build?

Intel i3 8100,
Gigabyte B360M D3H motherboard
Gigabyte GT 1030 2 GB GPU
G-Skill Ripjaws v 2400 1*8 GB,
Corsair VS 450 450w 80+ PSU
WD 1TB HDD