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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

Near you

In stock at 30 stores nationwide.

Where to buy

In stock SkylineCurated Shop · $388.90

In-store stock · 30 stores

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StorePriceStockOpen boxProduct page
MCPhoenix AZ · Open $250 8 —
MCSanta Clara CA · Open $250 9 —
MCTustin CA · Open $250 8 —
MCDenver CO · Open $250 9 —
MCMiami FL · Open $250 7 —
MCDuluth GA · Open $250 7 —
MCMarietta GA · Open $250 6 —
MCChicago IL · Open $250 8 —
MCWestmont IL · Open $250 6 —
MCIndianapolis IN · Open $250 7 —
MCOverland Park KS · Open $250 7 —
MCCambridge MA · Open $250 5 —
MCParkville MD · Open $250 6 —
MCRockville MD · Open $250 6 —
MCMadison Heights MI · Open $250 8 —
MCSt. Louis Park MN · Open $250 4 —
MCBrentwood MO · Open $250 7 —
MCCharlotte NC · Open $250 6 —
MCNorth Jersey NJ · Open $250 8 —
MCBrooklyn NY · Open $250 4 —
MCFlushing NY · Open $250 6 —
MCWestbury NY · Open $250 5 —
MCYonkers NY · Open $250 6 —
MCColumbus OH · Open $250 6 —
MCMayfield Heights OH · Open $250 7 —
MCSharonville OH · Open $250 7 —
MCSt. Davids PA · Open $250 6 —
MCDallas TX · Open $250 12 —
MCHouston TX · Open $250 8 —
MCFairfax VA · Open $250 9 —
Price history

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Specifications

Power

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

Build

Form factor
ATX
Modular
Fully modular
Fan
135 mm

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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 Microcenter
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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