1200W Power Supplies

Browse 98 1200W units with full specs and sorting.

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Showing 98 of 98 entries in 1200W
Brand
Series
Wattages
Tier
Year
Size
ATX Ver.
Input
Modular
Eff.
Topology
ODM
Platform
KCAS Bronze Modular
DC-DC
Andyson
C8
PX
DC-DC
Andyson
Modified R8
↪ Notes: Updated R series
High Current Gamer (HCG) Pro Platinum
DC-DC
Seasonic
Vertex PX
Steel Legend (SL-G)
DC-DC
HEC
Custom
↪ Notes: OCP is set way higher than necessary on the 12V and 5VSB rails. Good noise profile given its capacity.
ROG Loki Platinum
DC-DC
Great Wall
Custom
↪ Notes: Not to be confused with the Xigmatek Loki.
ROG THOR Platinum II
DC-DC
Seasonic
Prime Ultra Platinum ATX 3.0
ROG THOR Platinum III
DC-DC
Seasonic
Custom
↪ Notes: Fan profile is extremely relaxed, OCP is set way too high on the minor rails, no FFP despite being an extremely expensive platform.
ROG Strix Aura Gold
DC-DC
CWT
Custom
↪ Notes: OPP is set way higher than necessary and isn't reduced even under high operating temperatures. Very poor 200% excursion response.
ROG THOR Platinum
DC-DC
Seasonic
Prime Platinum
TUF Gold
DC-DC
Great Wall
Hunters Fire
ROG Strix Platinum
DC-DC
Great Wall
Custom
↪ Notes: Multitude of minor issues leading to low overall performance, does not meet requirements for tier A in Aris' testing. Possible bad sample?
Pure Power 12 M
DC-DC
HEC
Custom
↪ Notes: Not to be confused with the downgraded non-modular Pure Power 12!
Straight Power 11 Platinum
DC-DC
FSP
Hydro PTM Pro high-wattage
↪ Notes: Bridgeless PFC, very high component and build quality. OCP needs tuning on all rails. Excellent noise profile.
Dark Power Pro 11
DC-DC
FSP
Custom
Dark Power Pro 12
DC-DC
CWT
Modified CTT
↪ Notes: Interleaved PFC; digital operation for primary, APFC and 12V; minor rails are analog.
PowerPlay (GPU-FC) Platinum
DC-DC
CWT
CST
↪ Notes: Semi-digital
Masterwatt Maker MiJ
DC-DC
Murata
Custom
↪ Notes: Extremely high build quality; made in Japan; decent performance.
GX III Gold ATX 3.1
DC-DC
Lite-on
Custom, but different from ^
↪ Notes: Has purple heatsinks for glam. Loose load regulation on 5VSB rail with middling 12V excursion response.
Masterwatt Maker
DC-DC
Enhance
Custom
↪ Notes: Blue label. Tiering is based on electrical performance and should not preclude the usual caveats if buying used power supplies.
RM-x Shift 2023
DC-DC
CWT
Custom
↪ Notes: Modular inputs on side of PSU rather than the rear. Use caution and check case clearances: see Jon Gerow's list of cases (archive)
↪ Notes: Gray label. Per-connector 40A OCP when multi rail is enabled
HX-i 2023
DC-DC
CWT
CTT heavily mod.
↪ Notes: Refresh with included 12V-2x6 cable and listed ATX 3.1 compliance. Actual design appears to be the same internally.
HX-i 2025
DC-DC
CWT
CTT heavily mod.
↪ Notes: Minor changes on the primary side, overall very similar; merely a refresh. Embossed cables instead of flat cables from older generations. (Fancy)
TX (Black Label)
DC-DC
Great Wall
modified GW-ATXBL
↪ Notes: Black label; China only
RM-e 2023 ("Gen 5")
DC-DC
HEC
Custom
↪ Notes: 750/850W: 140mm, 1000/1200W: 150mm. 2023 version includes 12VHPWR cable. Early reports of coil whine and premature failures/DOAs, but supposedly fixed.
Polar X2 (ATX 3.0)
DC-DC
XHY
1709 upd. to ATX 3.0/3.1
↪ Notes: Protections need tuning, 5VSB regulation doesn't quite qualify for A tier.
↪ Notes: 850W model can come in white.
↪ Notes: OCP is set way too high on the minor rails, which led to failure of the unit during Aris' testing. Detier to B- unless verified fixed.
Revolution D.F. 2
DC-DC
SANR
SM-Z
↪ Notes: ATX 3.0 compliant; uses dual 8-pin to 12VHPWR.
Revolution ATX 3.0
DC-DC
CWT
CSZ
↪ Notes: No performance data, however platform is well reviewed with protections working in similar configs.
PlatiGemini
DC-DC
RSY
Custom
↪ Notes: OCP originally set way too high; fixed in later reviews from July 2024. Excellent electrical performance. ATX 3.1 and ATX12VO compatible.
Platimax D.F. II
DC-DC
RSY
NZ01 high-wattage
↪ Notes: 13 year warranty. 5VSB OCP still allows for extremely excessive ripple. Good performance otherwise.
Revolution D.F. X
DC-DC
SANR
SM-Z
↪ Notes: Transient response doesn't quite make it A tier, no direct protections testing.
↪ Notes: Solid electrical performance, however let down by poorly modulated protections and mediocre ripple performance.
SuperNOVA P2
DC-DC
Super Flower
Leadex Platinum GT
Hydro G Pro ATX 3.0
DC-DC
FSP
Hydro G ATX 3.0
↪ Notes: 850W has excellent noise graph.
Hydro PTM Pro
DC-DC
FSP
Hydro PTM Pro high-wattage
↪ Notes: One EPS cable with two connections, transient response on the minor rails are very subpar, OCP needs tuning per Aris' testing.
↪ Notes: Identical to the PTM X Pro made for ATX 3.0 compliancy.
Hydro PTM Pro ATX 3.0
DC-DC
FSP
PTM Pro ATX 3.0
Aurum Platinum (PT)
DC-DC
FSP
Aurum Platinum
↪ Notes: Solid electrical performance (A tier) but nothing regarding protections has been tested. B+ until further notice.
Cyclops X1
DC-DC
Andyson
R8
MVP K Gold Old
DC-DC
Huntkey
↪ Notes: Doesn't claim SCP according to this review.
MVP Platinum X
DC-DC
Huntkey
HK-1K255PP
↪ Notes: Malfunctioning OCP on 3.3V, and transient response on 3.3V is out of spec, questionable choices of components.
Continuum V1
DC-DC
High Power
NO-763
↪ Notes: Protections need serious tuning; abundant amount of minute issues
Edge EG Gold
DC-DC
Helly
ATX-0800GLV
↪ Notes: German bulk caps; dual-chamber L-shape design; modular inputs on the main PCB. 1000W and up models come with a USB/fan hub.
↪ Notes: Rotatable power outlet. 5VSB OCP is high. Includes a USB 2.0 hub.
Century II Gold ATX 3.1
DC-DC
XWY
A08 (HKC ATX-33 clone)
↪ Notes: Excellent performance and noise profile. OPP and OCP on the minor rails need tuning. They do work but are set way higher than necessary.
Titan Platinum (PLA)
DC-DC
Seasonic
Vertex PX
↪ Notes: Protections need tuning and mediocre ATX 3.0 transient response; overall performance is dwarfed by the CWT-built Titan Gold.
C Series Gold ATX 3.1 (2024)
DC-DC
CWT
CXT
↪ Notes: Available in black and white
C Series Gold ATX 3.0 (2023)
DC-DC
CWT
CSZ
Revolt X
DC-DC
Seasonic
Prime Platinum
↪ Notes: Dual system. Load regulation on 12V could be better.
AMP GH Platinum
DC-DC
Helly
EPS-0100
↪ Notes: Overall good performance, uses a YL rifle-bearing fan.
Ampere
DC-DC
Andyson
P32A (modified P32)
↪ Notes: OTP is set over >200C (doesn't function as intended). 850/1000W might not be similar to the 1200W.
↪ Notes: Semi-digital, Razer Chroma integration with other Razer products.
Master RGPS PRO ATX 3.1
DC-DC
Helly
ATX-0800GB
↪ Notes: Very high ripple on the 12V rail for a unit of this caliber.
Quark
DC-DC
Enhance
13XX GT Platinum
↪ Notes: Claims OTP but not tested in Aris' review, B+ until further notice.
Photon
DC-DC
High Power
Astro GD HPJ
↪ Notes: While the power supply is rated for 40°C, testing done by Aris (who tests at 45°C), shows excessive ripple above the ATX spec at 110%/CL2 load.
P
DC-DC
RSY
A0173/NZPRO-MBR01
↪ Notes: The OCP and OPP triggering points need tuning. Very good ripple suppression, and decent component quality. Excellent noise profile.
↪ Notes: Failed JonnyGuru's burn-in test (gave up the ghost), protections are poorly misconfigured on this platform.
↪ Notes: Based on the same platform as the Black Hole; OTP untested; some parts remain unidentifiable; white variant available.
Prime Gold
DC-DC
Seasonic
Prime Gold
Prime Platinum
DC-DC
Seasonic
Prime Platinum
Vertex Gold (GX)
DC-DC
Seasonic
Vertex GX
↪ Notes: ATX 3.0 transient response could be better. 5VSB OCP is stupidly high.
Vertex Platinum (PX)
DC-DC
Seasonic
Vertex PX
Rebel P20 Platinum ATX
DC-DC
Andyson
P32A
↪ Notes: OOS transient response on 3.3V. The OCP and OPP triggering points are insane, particularly 5VSB OCP, which is set over 200%. 7 year warranty.
HELA R Platinum HAR-PM
DC-DC
CWT
CSZ
Strider Platinum ST-PT
DC-DC
Enhance
↪ Notes: Very poor transient response and ripple on 3.3V.
Strider Platinum ST-PTS
DC-DC
Enhance
↪ Notes: Bad power good signal.
Leadex Platinum
DC-DC
Super Flower
Leadex GT
↪ Notes: 1200W hold-up time fails to meet the ATX minimum specification.
Leadex Platinum SE
DC-DC
Super Flower
Updated Leadex GT
Leadex VII Platinum Pro (XP)
DC-DC
Super Flower
Leadex VII Platinum (XP)
↪ Notes: Failed ATX 3.0 12V power excursion testing, malfunctioning OCP on 3.3V. False efficiency certifications.
Toughpower PF1 ARGB
DC-DC
CWT
CST
↪ Notes: Aggressive fan profile, ~40+ dbA output.
Toughpower GF1 Premium (2021)
DC-DC
CWT
CST
↪ Notes: Questionable fan quality, two EPS connectors on the same cable. Otherwise qualifies for A tier based on performance.
↪ Notes: Excellent noise profile despite uncompetitive overall performance. Poor load regulation on the 5VSB rail and poor transient response on 3.3V.
Toughpower PF1 Premium
DC-DC
CE Link
PCFG-A-FAD-A
↪ Notes: Quite loud under full load, ~39dbA
Toughpower iRGB Plus Platinum
DC-DC
CWT
CST
↪ Notes:
Toughpower GF3 Premium Original (TPD-FCG)
DC-DC
CWT
CSZ
Toughpower GF A3 Global (FAGK-H)
DC-DC
HKC
ATX-33B
↪ Notes: Be wary of 2024 OEM/Platform change in the N.A. market!
Toughpower Grand Platinum
DC-DC
Enhance
1300GT Plat
Toughpower Grand RGB Platinum
DC-DC
CWT
CST
↪ Notes: OTP works on the 1200W model, however the 5VSB OCP is so out of tune, ripple suppression exceeds 100mV.
Acrux (ARX)
DC-DC
Enhance
13XX GT Platinum

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