Shop Power Supply Seasonic USA Vertex GX-1200 1200 Watt 80 Plus Gold ATX Fully Modular Power Supply – ATX 3.0 Compatible
The Seasonic Vertex GX-1200 is a premium 1200W fully modular power supply designed for high-end gaming systems, workstations, and next-generation GPUs. Built to meet ATX 3.0 / ATX 3.1 and PCIe 5.0/5.1 standards, it includes a native 12V-2×6 (12VHPWR) cable, making it fully compatible with modern graphics cards like RTX 4000/5000 series.
With 80+ Gold efficiency, the unit delivers stable and efficient power while reducing heat and energy waste. Its fully modular design allows clean cable management, improving airflow and build aesthetics.
The PSU features a 135mm Fluid Dynamic Bearing fan with hybrid silent control, ensuring quiet operation under load. Combined with comprehensive protections (OVP, OCP, SCP, OTP, etc.), it provides long-term reliability for demanding systems.
Key Features
- CrossFire Compatible; CrossFireX Certified
- 3 x 6+2-pin, 1 x 16-pin Graphics Connectors
- 18 SATA Connectors
- 3 Molex Connectors
- No LED Lighting
Dimension(inch):
- Length: 6.30
- Width: 5.90
- Height: 3.40
- SKU: HBCM-559450
- Mfr Part #: VERTEX GX-1200
- UPC: 4711173877721

Buy what you need, when you need it. We’ll give you the time to pay.
- No Credit Needed
- Approval Decisions Within Seconds
- 90-Day Payment Option, Interest Free
- Easy Application
- Low Initial Payment
- Flexible Payment Schedules
Get pre-approved before coming into the store.
Approval Requirements - 4 Simple Questions
Income History
Three-month history with your current employer or source of income?
Monthly Income
Deposit $1,000 or more into your checking account each month?
Checking Account
Checking account for at least 90 days?
Checking Activity
Checking account free from NSFs, excessive overdrafts, and negative balances?
Flexible Payment Options
Choose from weekly, bi-weekly, twice monthly, or monthly payment schedules designed to align with your paydays. Whatever works best for you.
90-Day Payment Option - Interest Free
Payoff within 90 days and we’ll simply close your account for the amount financed.
Pay Over 12 Months
Take time to repay your account over 12 months with payment scheduled to align with your payday.
Early Payoff Discount
Payoff after 90 days and save 55% or more on all outstanding payments.
HB Computers Warranty
At HB Computers, we stand behind the quality of the products we sell.
Manufacturer Warranty
- All products are covered by the manufacturer’s warranty against defects.
- Products sold without a specified warranty are “AS IS”, with no expressed or implied warranty.
Defective Products
- Defective items may be repaired or exchanged at HB Computers’ discretion within 10 days of receipt.
- Refunds or store credit are not provided.
Warranty Compliance
- Warranty is void if any warning or identification stickers are removed or tampered with (e.g., “Warranty void if removed”).
Refurbished Products
- Refurbished items are sold without warranties.
- No refunds will be issued for refurbished products.
HB Computers Return Policy
Return Authorization (RA) Required
- All returns must have a valid RA number.
- You may request an RA within 14 days of your invoice date, if the manufacturer permits.
- Items must be received at HB Computers within 10 days of receiving the RA number. Late returns may be refused.
- Please clearly include the RA number on your shipping label to avoid delays.
Condition of Returns
- Items must be in “As-New” condition and include all original packaging, manuals, warranty cards, cables, accessories, and components.
- Replacement orders will not be shipped until the returned item is received and inspected.
Defective Items
- If an item is defective, a replacement will be shipped or credit issued after inspection confirms the defect.
Exchanges
- Unopened products may be exchanged within 14 days (if permitted by the manufacturer).
- Opened or used products are subject to a restocking fee of up to 30%.
- All exchanged items must include the original packaging and accessories.
Non-Returnable Items
- Custom Gaming PCs, software, special orders, and discontinued items cannot be returned or cancelled.
- These products are sold “as-is”; please consult the manufacturer for warranty or repair options.
- Labor charges (e.g., installation services) are non-refundable.
Refunds
- Refunds will be issued to the original payment method.
- Cash/check payments over $100 will be refunded by check within 10 business days from HB Computers’ corporate office.
- Shipping and handling charges are non-refundable.
Shipping Responsibility
- Customers are responsible for shipping and insurance on all return shipments.
- Any deviations from this process may result in delays, additional restocking fees (up to 30%), or refusal of the return.
Need Help?
- We’re happy to assist with any questions about your return. Contact us anytime for guidance.
For full details, please see our Terms & Conditions
Seasonic USA Vertex GX-1200 1200 Watt 80 Plus Gold ATX Fully Modular Power Supply – ATX 3.0 Compatible
Key Features
- CrossFire Compatible; CrossFireX Certified
- 3 x 6+2-pin, 1 x 16-pin Graphics Connectors
- 18 SATA Connectors
- 3 Molex Connectors
- No LED Lighting
$289.99
In stock
In stock

Select More
EZQuest Ultimate Plus 12-Port USB Type-C Multimedia Hub
$168.99
Akko Prunus Lannesiana 5098B Wireless Mechanical Keyboard – Pink
$129.99
EZQuest 13-Port Ultimate USB Type-C Multimedia Hub Adapter with Power Delivery 3.0
$98.99
Inland – 65C 65W PD 3.0 USB-C Laptop Power Adapter – Universal Charger – 2.3m Cable
$49.99
EZQuest DuraGuard 3.5mm TRS Male to Male Stereo Audio Cable (6.5′)
$11.99
DuraGuard USB-C to USB-C charge and sync cable 2.2meter
$18.99
Inland 90W Laptop Power Adapter for Dell Laptop
$59.99
EZQuest Active Mini DisplayPort to HDMI Cable (7.2′)
$28.99
EZQuest USB Type-C to HDMI 4K 60 Hz Adapter
$28.99
EZQuest USB-C Multimedia 8-in-1 Hub
$68.99
EZQuest DuraGuard USB-C to HDMI Cable (7.2′)
$28.99
EZQuest 8-Port USB Type-C Multimedia Hub Adapter with Power Delivery 3.0
$68.99
Related products
-
PowerSpec 750 Watt 80 Plus Gold ATX Fully Modular Power Supply – ATX 3.1 Compatible
$114.99 -
Lian Li EDGE GOLD 850 Watt 80 Plus Gold ATX Fully Modular Power Supply (Black) – ATX 3.1 Compatible
$134.99 -
Sale!
MSI MAG A850GL PCIE5 850 Watt 80 Plus Gold ATX Fully Modular Power Supply – ATX 3.1 Compatible
$139.99Original price was: $139.99.$129.99Current price is: $129.99.













