550W Power Supplies

Browse 188 550W units with full specs and sorting.

Sort 1
Sort 2
Sort 3
Showing 188 of 188 entries in 550W
Brand
Series
Wattages
Tier
Year
Size
ATX Ver.
Input
Modular
Eff.
Topology
ODM
Platform
Armour (AR Gold)
DC-DC
Helly
ATX-0500GQ
↪ Notes: OCP is not claimed on any rail (although it most likely exists for the minor rails only), very low +12V line output relative to total capacity.
↪ Notes: Decent electrical performance, although some components are of questionable quality.
↪ Notes: 650W is technically rated Cybenetics Silver
KCAS Gold Non-Mod.
DC-DC
Andyson
Q8
Aero Bronze Modular
DC-DC
SANR
LUX Pro / Pro RGB Modular
GR
SANR
↪ Notes: Pro and Pro RGB Modular are the same internally.
↪ Notes: 1000W model might be DC-DC, unable to confirm without a proper teardown
↪ Notes: 1000W model might be DC-DC, unable to confirm without a proper teardown
↪ Notes: 1000W model might be DC-DC, unable to confirm without a proper teardown
↪ Notes: 1000W model might be DC-DC, unable to confirm without a proper teardown
↪ Notes: Overall very low build quality
↪ Notes: Improperly set OCP allows for abysmal voltage drops past ATX spec.
↪ Notes: Updated M5+
↪ Notes: No transient response testing found.
Earthwatts Gold (EAG) Pro
DC-DC
Seasonic
Focus Gold
↪ Notes: Cost-down SSR-FM platform. White 750W is available.
Earthwatts Gold (EAG) EVO
DC-DC
HKC
ATX-06
↪ Notes: Appears to be targeted primarily at the Eastern market.
Cuprum Strike (CSK) "DC"
DC-DC
XWY
A11 (HKC ATX-41B clone)
↪ Notes: DC-DC variant of the CSK Bronze; only 750W has 300W 12VHPWR.
VPF (Earthwatts Green)
DC-DC
Delta
↪ Notes: No inrush protection. Sold in the US as Earthwatts Green. 650W utilizes 105C secondary caps, 550W 85C.
Cuprum Strike (CSK) Bronze
GR
Hui Cheng
~Zalman Megamax V2
↪ Notes: Also known as CSK[w]H. Not printed on the logos.
Earthwatts Gold (EAG) Asia
GR
FSP
Aurum 92+
↪ Notes: Most likely for the Asian market; sightings in China and India. Ketchup and mustard cables, different fan grille, label, and box.
Atom Bronze (B)
GR
Andyson
M5
Neo Eco (NE) Classic (NE-C) v1
GR
CWT
GPK
Neo Eco (NE) Classic (NE-C) v2
GR
Andyson
X8
↪ Notes: X8 might be a clone of CWT's GPK platform, but is similar to the M5 platform (not very good.)
Neo Eco (NE) Classic Mod. (NE-M) v1
GR
CWT
GPK
Neo Eco (NE) Classic Mod. (NE-M) v2
GR
Andyson
X8
↪ Notes: X8 might be a clone of CWT's GPK platform, but is similar to the M5 platform (not very good.)
↪ Notes: PPFC; e-waste
ROG Strix Gold
DC-DC
Seasonic
Focus Gold
↪ Notes: 650W has poor 3.3V transient response
PSAZ ARGB Bronze New
DMA
Helly
ATX-0600B
↪ Notes: 2 year warranty. PSAZ Bronze w/ARGB fan. 540W, 648W, & 744W on 12V respectively.
PSAZ ARGB Bronze New (230V)
DMA
Helly
ATX-0600B
↪ Notes: Cost-down full input new PSAZ Bronze w/ ARGB fan.
PSAZ Bronze New
DMA
Helly
AD-0800K
↪ Notes: 2 year warranty. 550W: 540W on 12V, 650W: 648W on 12V, 750W: 744W on 12V.
PSAZ Bronze New (230V)
DMA
Helly
AD-0800K
↪ Notes: Cost-down full input new PSAZ Bronze.
PSAZ ARGB Bronze Old
GR
Andyson
M5
↪ Notes: 2 year warranty. PSAZ Bronze w/ARGB fan. 550W: 492W, 650W: 576W on 12V.
Straight Power 11 Gold
DC-DC
FSP
Custom
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
Custom
Dark Power Pro 11
DC-DC
FSP
Custom
Pure Power 11 FM
DC-DC
CWT
Custom
Pure Power 13 M
DC-DC
FSP
Custom
↪ Notes: 85C bulk caps, excellent noise profile.
System Power 11
DC-DC
HEC
CM Masterwatt-ish
↪ Notes: Low quality fan, 85C bulk cap.
System Power 10 U
DC-DC
HEC
CM Masterwatt-ish
↪ Notes: Looks exactly the same as the regular System Power 10 internally. Unless later testing proves the above issues are not present, detier to E.
↪ Notes: A few samples of the base platform died when subjected to sub-90VAC stress tests per JonnyGuru. Proceed with caution under 120VAC, especially in areas prone to brownouts.
Polaris - PPS-FC
DC-DC
High Power
NO-817
↪ Notes: Both EPS connectors share a cable, poor regulation and transient response on minor rails; only a 2 year warranty.
↪ Notes: Platform is somewhat mediocre, no direct transient response testing available and not the best choice of capacitors.
↪ Notes: "90% 230V only", claims meeting 80+ Gold without certifying. No direct transient response testing but platform is well reviewed.
A-80 CTG-C (New)
DMA
High Power
NO-720A
↪ Notes: "85% 230V only", ketchup and mustard cables. Outdated and no official 80+ certification, only on the tier list since it's still on their website.
↪ Notes: "85% 230V only", ketchup and mustard cables. Outdated and no official 80+ certification, only on the tier list since it's still on their website.
↪ Notes: Fake 85% efficiency label, black on yellow label; it's also old. Not certain on topology but not recommendable regardless. See review here. No OCP.
V-Series "Vanguard" Gold V2
DC-DC
Gospower
G1242
↪ Notes: White model available, same internals.
V-Series "Vanguard" Gold i Multi ("Digital")
DC-DC
Chicony
Custom
↪ Notes: "Semi-digital" - offers digital fan control and monitoring via MasterPlus software; actual components are analog.
MWE Gold Non-Mod.
DC-DC
XHY
1408
G Gold V2
DC-DC
Gospower
G1208 mod. upd. to ATX 3.1
↪ Notes: Platform is essentially a modified MWE Bronze V3.
MWE V3 ATX 3.1 Bronze -
DC-DC
Gospower
G1208 upd. to ATX 3.1
↪ Notes: Basically G1208 updated to ATX 3.1
MWE V3 ATX 3.1 Gold Non-Mod.
DC-DC
Gospower
G1208 mod. upd. to ATX 3.1
↪ Notes: Modified MWE Bronze V3, same as G Gold V2.
MWE V2 Gold Non Mod.
DC-DC
XHY
1908
MWE V2 Gold Full Mod.
DC-DC
XHY
1908
MWE V2 Gold ATX 3.0
DC-DC
XHY
1908 upd. to ATX 3.0
MWE V2 Gold ATX 3.1
DC-DC
XHY
1908 upd. to ATX 3.1
V-Series "Vanguard" Gold V1 (2018)
DC-DC
Chicony
Custom
MWE V3 ATX 3.1 Bronze 230V
DC-DC
Gospower
G1208 upd. to ATX 3.1
↪ Notes: Basically G1208 updated to ATX 3.1, no 12VHPWR.
RM-x 2018 / v2 Black
DC-DC
CWT
Custom
↪ Notes: v2, 160mm long, doesn't have 1000W version; custom Corsair rifle bearing fan.
RM-x 2015 Black
DC-DC
CWT
Custom
↪ Notes: v1, 160mm long
↪ Notes: Technically 80+ Silver without RGB on
TX-m 2017 (Gray Label)
DC-DC
Great Wall
modified GW-ATXBL
↪ Notes: Gray label. Custom Corsair rifle bearing fan.
TX-m 2021 (Black Label)
DC-DC
Great Wall
Custom
↪ Notes: Gray label. Custom Corsair rifle bearing fan.
Vengeance Bronze
DC-DC
CWT
Custom
↪ Notes: Gray label
CX-m 2017 (Gray Label)
DC-DC
CWT
Custom
↪ Notes: Grey label
CX-m 2021 (Black Label)
DC-DC
CWT
CSB-A
CV (Black Label)
GR
HEC
VS upd. to Bronze
CX (Non-Modular) 2023 (Black Label)
GR
HEC
VS upd. to Bronze
↪ Notes: White "CX" lettering on black label; Identical to the CV aside from exterior design.
↪ Notes: Grey label; OCP doesn't work properly, allowing the voltages to fall out of spec, very poor ripple suppression on 5V, failed transient testing on 3.3V
↪ Notes: Costdown GX-F
GS Bronze (ATX 2.x)
DC-DC
Guang Hai
GH356
↪ Notes: Platform is certified for Gold, might have only hit Bronze due to modular interface
↪ Notes: Can come in white variants. Protections need tuning. ATX 3.0 refresh of the PM-D.
↪ Notes: Low component quality, w/ highly set OCP/OPP & OOS 3.3V transient response. Not quite ATX 3.X by failing low load efficiency. 600W 12+2 cable.
↪ Notes: Good electrical performance for the category, decent component quality, protections are set reasonably.
Elementum E2 Retail
GR
CWT
GPB
Supremo Gold M2
DC-DC
SAMA
Forza Gold
↪ Notes: Supremo Gold made for semi-modularity, necessary protections aren't claimed.
Supremo Gold L2
DC-DC
SAMA
Forza Gold
↪ Notes: Supremo Gold made for non-modularity. No OCP to be found in testing nor claimed.
Digifanless
DC-DC
CWT
Custom (Enermax designed)
↪ Notes: Claims necessary protections but weren't evaluated in Aris' testing, OTP was kicked in during voltage regulation testing.
↪ Notes: 850W uses ARGB fan + housing and comes in black and white models. 3 year warranty.
↪ Notes: Decent electrical performance let down by poor transient response, a sleeve bearing fan, and other miscellaneous problems.
SuperNOVA G2
DC-DC
Super Flower
Leadex Gold
↪ Notes: Old but gold (no pun intended.)
SuperNOVA G3
DC-DC
Super Flower
Leadex III Gold
SuperNOVA GM
DC-DC
FSP
Custom
↪ Notes: Decent overall performance despite being ACRF on the primary side, double ball bearing fan.
B Series B5
DC-DC
HEC
Costdown GT
SuperNOVA GA
DC-DC
Andyson
PAD01
↪ Notes: Double ball bearing fan and good build quality, but protections need tuning. Low overall performance.
G Series GD 2017 - V1
DC-DC
FSP
Raider II high-wattage
↪ Notes: See notes under Series name for how to identify each version.
SuperNOVA GT
DC-DC
HEC
Modified TPK
↪ Notes: High RMA rate due to MLCC cracks, similar to other HEC-built EVGA PSUs. Showed up on B-Stock in huge quantities for dirt cheap c. 2022.
B Series B3
DC-DC
Super Flower
Leadex Super Bronze Pro
↪ Notes: OCP on 12V doesnt exist. OPP is set too high. Sleeve bearing fan.
N1
GR
HEC
Further costdown EVGA B1
↪ Notes: Malfunctioning safety protections (OCP/OPP) allowing for OOS operation and catastrophic failure, 20AWG PCIe.
↪ Notes: Cost-down Ion Platinum.
Anode Bronze
DC-DC
High Power
NO-823F
↪ Notes: Fails EMI testing, 2 EPS connectors on one cable, minor rails are either failing or near failing with regards to transient response.
↪ Notes: Not enough conclusive data but platform is well reviewed.
↪ Notes: No performance data although the platform is decently reviewed.
↪ Notes: Malfunctioning OCP and OPP on +12V line (voltage out of spec), poor transient response on minor rails, failed to meet 80+ Gold rating.
Helios M2
DC-DC
High Power
HP1-M2BR-F12S
Astrape M1 White
GR
Andyson
M5
P-B
GR
Xiamen Castec
MN-P450-2119
↪ Notes: Doesn't claim necessary protections. No real 80+ certification label on the unit.
PF Gold
DC-DC
High Power
NO-817
↪ Notes: Same design as the OEM HP1-J-GD-F12S with a rifle bearing fan.
↪ Notes: Actual +12V capacity is ~5-10% lower than advertised wattage.
PE
DC-DC
Enhance
Silverstone SX600G-like
↪ Notes: Low quality sleeve bearing fan, and only a 2 year manufacturer warranty.
MP -B
DC-DC
Soeyi
WT-CM6800U-DTD
↪ Notes: Platform confirmed through overhead and internal shots provided by the manufacturer.
MP -BSI
DC-DC
Soeyi
WT-CM6800U-DTD
↪ Notes: SI model, however it appears to be identical to the MP-B.
APX
DC-DC
XWY
A11 (HKC ATX-41B clone)
↪ Notes: OTP isn't claimed despite the fact that the supervisor IC might support it
↪ Notes: OTP isn't claimed despite the fact that the supervisor IC might support it, nearly identical internally to the original Gamma
↪ Notes: Semi-modular A-BN. See internal shots here.
MAG A-BN -
DC-DC
CWT
CSB
↪ Notes: Components are variable based on batch.
MAG A-BN -
DC-DC
CWT
CSB
↪ Notes: Components are variable based on batch.
MAG A-BNL Full Range
DC-DC
HEDY
CSB clone?
↪ Notes: Single-rail. See review. Poor transient response on 3.3V, rifle bearing fan. OTP isn't claimed or tested, but is supported by the supervisor IC.
MAG A-BNL 230V
DC-DC
Unknown
.
↪ Notes: 130mV+ of ripple on all rails (out of spec) at only 60% load; failed to meet even 80+ Bronze. See Rear Shot and Output Specification Label.
C Series Bronze V1 (2021)
DC-DC
CWT
CSB-A
↪ Notes: Transient response on the 3.3V rail is either failing or near failing. Fan profile is quite aggressive.
↪ Notes: Still produced according to MC stock
↪ Notes: Low quality sleeve bearing fan, ripple exceeds ATX specification, low quality capacitors, and a 3 year warranty.
Photon
DC-DC
High Power
Astro Lite
Focus Plus Platinum
DC-DC
Seasonic
Focus Platinum
↪ Notes: Some units produced before 2018 may experience shutdowns with high transient draw GPUs.
Focus PX
DC-DC
Seasonic
Focus Platinum
Focus Plus Gold (GX)
DC-DC
Seasonic
Focus Gold
↪ Notes: Some units produced before 2018 may experience shutdowns with high transient draw GPUs.
Focus GX -
DC-DC
Seasonic
Focus Gold
↪ Notes: Minor changes with a "V3" model released in 2019.
Prime Ultra Gold
DC-DC
Seasonic
Focus Gold
Prime Ultra Platinum
DC-DC
Seasonic
Focus Platinum
Prime SnowSilent
DC-DC
Seasonic
Focus Gold
↪ Notes: White versions of Focus (yes) Gold / Platinum and Prime Titanium.
G12 GC China Only
DC-DC
Seasonic
Core GC (Focus costdown)
↪ Notes: Internal shots confirm a costdown Core GC/Focus
Focus SGX SFX
DC-DC
Seasonic
SGX 2021
B12 BC
DC-DC
Helly
Costdown ATX-0500GQ
↪ Notes: Costdown of the G12 GC; cheaper components, all Chinese caps, and an even cheaper fan; downgraded to Bronze eff.
Core GC
DC-DC
Seasonic
Focus Gold costdown
↪ Notes: GX but non-modular
Core GM
DC-DC
Seasonic
Focus Gold costdown
↪ Notes: GX but semi-modular
Core GX
DC-DC
Seasonic
Focus Gold costdown
↪ Notes: Sleeve bearing fan, 3.3V rail is subpar in transient testing, fan profile is aggressive and very loud when pushed. Source: Aris
G12 GC Global
DC-DC
Helly
ATX-0500GQ
↪ Notes: OTP isn't claimed, IC doesn't support it either
↪ Notes: Semi-modular version of the G12 GC (Global)
↪ Notes: Claims only SCP, OPP, and over/under voltage. OCP not claimed on any rail.
Rebel P10 Silver
DC-DC
Andyson
P37
↪ Notes: Middling load regulation for the 3.3v & 5VSB rails, 5 year warranty.
SilentStorm Icewind
DC-DC
High Power
NO-790
Essential Gold ET-G
DC-DC
CWT
GPS
Essential Gold ET-HG
DC-DC
CWT
GPS
Decathlon DA Gold
DC-DC
CWT
GPX
Strider Platinum ST-F-PT
DC-DC
High Power
Astro Lite HPM
↪ Notes: Good electrical performance let down by no inrush protection; bad power good signal.
↪ Notes: Subpar hold-up time.
↪ Notes: Protechnic Electric sleeve bearing fan.
Strider Essential ST-EF
GR
CWT
GPM
Leadex Platinum
DC-DC
Super Flower
Leadex Gold
↪ Notes: Hold-up time fails to meet the ATX minimum specification.
Leadex III ARGB
DC-DC
Super Flower
Leadex III
↪ Notes: Pro version - black casing instead of white. Pigtail PCIe cables for the 650W. Cost down version of the Pro ARGB.
Leadex III HG
DC-DC
Super Flower
Leadex III
↪ Notes: Poorly tuned OCP & OPP, 20AWG pigtails on PCIe connectors. 750/850w has a dual 8 pin to 600W 12VHPWR cable available for purchase.
Leadex Gold
DC-DC
Super Flower
Leadex Gold
↪ Notes: Chinese caps, 20AWG gauges on the EPS/PCIe cables; 5VSB regulation doesn't quite hit A tier specifications.
Legion GX Pro
DC-DC
Super Flower
Updated Golden Green
↪ Notes: No transient response testing found.
Leadex III Super Bronze Pro
DC-DC
Super Flower
Leadex III Bronze (EVGA B3)
↪ Notes: Limited information.
Leadex Silver
DC-DC
Super Flower
Costdown Leadex II
↪ Notes: Leadex II costdown, single-layer PCB. Sleeve bearing fan. Capacitors aren't of the highest quality.
Platinum King
DC-DC
Super Flower
Platinum King
↪ Notes: No OTP and OCP (12V) present; low hold-up time (out of spec); poor soldering quality.
Zillion DW White
GR
Zhong Yuan
↪ Notes: Group regulated.
Zillion DB Bronze
GR
Zhong Yuan
↪ Notes: Sleeve-bearing fan. OCP untested.
↪ Notes: 550W tested, 550/650W TGFX ATX 3.0 compliant but no 12VHPWR/12V-2x6. Mediocre ripple & poor inrush current. Cybenetics Platinum/Gold.
Toughpower GF Standard
DC-DC
CWT
GPX
↪ Notes: Europe, India and Japan model.
↪ Notes: Missing crucial safety protections, very old platform and very poor build quality.
↪ Notes: Poor electrical performance from an unknown OEM; fails all 12V transient response testing per F14 Lab's testing.
↪ Notes: Does not claim certain safety protection circuits which is a major deficiency.
Gigamax GV III (3)
DC-DC
Jiumeng
↪ Notes: No protections testing, performance testing is not extensive. Need further testing to move beyond tier E since Jiumeng is the OEM.

More wattages