I am looking to upgrade my computer's GPU from a 1050ti to a 2070 and I want to know how much my power supply needs to be. I CURRENTLY have a 450wt power supply and my current computer is a CyberpowerPC Desktop Computer GAMER Xtreme S750

I appreciate whatever answers I can get, thanksYou will need to Post the rest of your system specs...that Model # has 100 variations on componentsThanks, I am copy and pasting it from the site

Brand
CyberpowerPC
Model
Gamer Xtreme S750
Part Number
GXS750

Quick Info
Type
Gaming & Entertainment
Usage
Consumer
Processor
Intel Core i7-7700 3.6 GHz
Processor Main Features
64-bit Quad-Core Processor
Cache Per Processor
8 MB L3 Cache
Memory
8 GB DDR4 + 16 GB Optane Memory
Storage
1 TB HDD
Optical Drive
24x DVD+-R/+-RW DUAL LAYER DRIVE
Graphics
NVIDIA GeForce GTX 1050 Ti 4 GB
Power Supply
450W
Case
CYBERPOWERPC W210 Black Windowed Gaming Case
Operating System
Windows 10 Home 64-Bit

Motherboard
Chipset
Intel B250

CPU
CPU Type
Intel Core i7 7th Gen
CPU Speed
7700 (3.60 GHz)
L3 Cache Per CPU
8 MB
CPU Main Features
64-bit Quad-Core Processor

Graphics
GPU/VGA Type
NVIDIA GeForce GTX 1050 Ti
Video Memory
4 GB GDDR5

Memory
Memory Capacity
8 GB DDR4
Memory Spec
4 GB x 2

Optane Memory
Optane Memory
16 GB

Storage
HDD
1 TB
HDD Interface
SATA III
HDD RPM
7200rpm

Optical Drive
Optical Drive Type
DVD±RW
Optical Drive Spec
24x DVD+-R/+-RW DUAL LAYER DRIVE

Communications
LAN Speed
10/100/1000Mbps

Back Panel Ports
Rear Audio Ports
3 ports

Expansion
PCI SLOTS (Available/Total)
(0/1) PCI-E x16
(2/2) PCI-E x1Sorry for the double reply but I just remembered I had added in this 4tb HARD drive as well

Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive - OEM