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Seasonic VERTEX GX-1200 1200W 80+ Gold Fully Modular ATX 3.0

Seasonic VERTEX GX-1200 1200W 80+ Gold Fully Modular ATX 3.0

MPN VERTEX1200G UPC 4711173877721

Wattage
1,200 W
Efficiency
80 PLUS Gold
Modular
Fully modular
Form factor
ATX
Standard
ATX 3.0
12V-2x6
Yes

Best price now

$249.99

at

The store's own price · checked

About its typical price

Lowest in 30 days: $249.30 · typical: $249.99

Near you

In stock at 26 stores nationwide.

Every real price drop the minute we find it: psu.live on Telegram · Discord

Where to buy

★ 4.7 out of 5 from 213 customer ratings at 3 stores. Some of these stores show one rating for several versions of a product. How we count

In store at 26 of 30 See stores · ★ 4.8 (53) $249.99
In stock Marketplace (marketplace seller) · $280.99
Out of stock ★ 4.6 (150) · SkylineCurated Shop (marketplace seller) · free ship · $388.90
Out of stock PC Power Tech (marketplace seller) · free ship · $389.99
Out of stock ★ 5.0 (10) · B&H Photo · -

In-store stock · 26 stores

Set your ZIP to sort by distance
StorePriceStockOpen boxProduct page
MCPhoenix AZ · Closed $250 3 -
MCSanta Clara CA · Closed $250 5 -
MCDenver CO · Closed $250 2 -
MCMiami FL · Closed $250 4 -
MCMarietta GA · Closed $250 4 -
MCChicago IL · Closed $250 3 -
MCWestmont IL · Closed $250 2 -
MCIndianapolis IN · Closed $250 5 -
MCOverland Park KS · Closed $250 6 -
MCParkville MD · Closed $250 4 -
MCRockville MD · Closed $250 6 -
MCMadison Heights MI · Closed $250 3 -
MCSt. Louis Park MN · Closed $250 1 -
MCBrentwood MO · Closed $250 5 -
MCCharlotte NC · Closed $250 3 -
MCNorth Jersey NJ · Closed $250 5 -
MCBrooklyn NY · Closed $250 2 -
MCWestbury NY · Closed $250 4 -
MCYonkers NY · Closed $250 2 -
MCColumbus OH · Closed $250 2 -
MCMayfield Heights OH · Closed $250 4 -
MCSharonville OH · Closed $250 4 -
MCSt. Davids PA · Closed $250 3 -
MCDallas TX · Closed $250 4 -
MCHouston TX · Closed $250 4 -
MCFairfax VA · Closed $250 3 -
MCTustin CA · Closed $250 Sold out -
MCDuluth GA · Closed $250 Sold out -
MCCambridge MA · Closed $250 Sold out -
MCFlushing NY · Closed $250 Sold out -
Price history

Lowest in-stock price by retailer

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TimeRetailerLowest in stock

Specifications

Power

Wattage
1,200 W
Efficiency
80 PLUS Gold
Cybenetics rating
Gold
Standard
ATX 3.0
Native 12V-2x6 / 12VHPWR
Yes

Build

Form factor
ATX
Modular
Fully modular
Fan
135 mm

Wrong price, stock or spec? Tell us

Full spec sheet from Newegg
Details/Fans
135 mm Fluid Dynamic Bearing (FDB) Fan
Details/Type
ATX / ATX 3.0 Compatible
General/Brand
SeaSonic
General/Model
Vertex GX-1200
Details/Output
Ample +12 V Output
Details/Modular
Full Modular
Details/Maximum Power
1200 W
Details/Max PSU Length
160 mm
Details/Energy-Efficient
80 PLUS GOLD Certified
Dimension & Weight/Weight
4.34lbs
Details/PCI-Express Connector
ATX 3.0 and 16-Pin Gen 5 PCIe Cable (12VHPWR)
Dimension & Weight/Dimensions
6.3" L x 5.9" W x 3.4" H
Additional Information/First Listed on Newegg
September 07, 2026
Full spec sheet from Micro Center
PFC
Active
SKU
559450
UPC
4711173877721
MTBF
150,000 Hours
Color
Black
Labor
12 Year Limited
Parts
12 Year Limited
Width
5.90 in. (149.86 mm)
Height
3.40 in. (86.36 mm)
Rating
80 PLUS Gold Certified
Modular
Fully-Modular
Wattage
1200 Watts
LED Color
None
Mfr Part#
VERTEX GX-1200
+12V Rails
1
NVIDIA SLI
SLI Compatible
Form Factor
ATX
ATX Connector
20+4-pin
ATi CrossFire
CrossFire Compatible
SATA Connector
18
Molex Connector
3
ATX 12V Connector
2 x 4+4-pin
What's in the Box
PSU, Motherboard Power Cable, 12VHPWR Cable, 2 x CPU Cable, 3 x PCIe Cable, 5 x SATA Cable, Peripheral Cable, Screws, Cable Ties, Power Cable
Graphics Connector
3 x 6+2-pin, 1 x 16-pin
Power Supply Depth
6.30 in. (160.02 mm)

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