SilverStone SX750 has a very high power density to meet the competition Corsair SF750, But it cannot achieve the same level of performance. In fact, the overall performance difference between SX750 and SF750 reaches 13%, which is beneficial to the pirate ship unit.Therefore, SilverStone needs to make some changes to the PSU to improve its performance and make it competitive enough to enter our list The best power supply, Replacing Corsair SF750 in the best SFX PSU category.
SilverStone SX750 is one of the most powerful SFX devices like Corsair SF750 and Cooler Master V850 SFX Gold. However, it is difficult to provide such powerful features from a small SFX platform, especially after high performance. There is no space on the small PCB for additional ripple filter capacitors, and the components are very narrow, so the airflow is not optimal. In other words, you should not expect a compact and high power density PSU to be quiet under stress conditions (for example, high loads and elevated operating temperatures).
product photo
SX750 Platinum is fully modular and can provide a large number of cables and connectors to provide maximum power. The OEM is Enhance Electronics, which has extensive experience in manufacturing compact and powerful platforms. Internally, Japanese caps are specifically used to improve reliability. The cooling fan has a diameter of 92 mm and uses double ball bearings to easily cope with high operating temperatures. Fluid dynamic bearing fans may produce lower noise output, but their lifespan will be greatly shortened at high operating temperatures (> 40 degrees Celsius), which will not affect DBB fans.
product photo
specification
|
Manufacturer (OEM) |
Enhanced electronics |
|
Maximum.DC output |
750W |
| effectiveness | 80 PLUS Platinum, Cybenetics Platinum |
|
noise |
Cybernetic Standard+ (35-40 dB[A]) |
|
Modular |
✓ (complete) |
|
Intel C6/C7 power state support |
✓ |
|
Working temperature (continuous full load) |
0-40°C |
|
Overvoltage protection |
✓ |
|
Undervoltage protection |
✓ |
|
Over power protection |
✓ |
|
Overcurrent (+12V) protection |
✓ |
|
Over temperature protection |
✗ |
|
Short circuit protection |
✓ |
|
Surge protection |
✓ |
|
Inrush current protection |
✓ |
|
Fan failure protection |
✗ |
|
No-load operation |
✓ |
|
cool down |
92mm double ball bearing fan (B0921512HB) |
|
Semi-passive operation |
✓ |
|
Dimensions (width x height x depth) |
125 x 65 x 100 mm |
|
weight |
1 kg (2.2 lbs) |
|
Constitutive factors |
Sound effects, earnings per share 2.92 |
|
Warranty |
5 years |
Power Specifications
| rail | 3.3V | 5V | 12V | 5VSB | -12V | |
|---|---|---|---|---|---|---|
| Maximum.power | ampere | 20 | 20 | 62.5 | 3 | 0.3 |
| watt | 120 | 750 | 15 | 3.6 | ||
| Total maximum. Power (Watts) | 750 | |||||
Cables and connectors
| description | Number of cables | Number of connectors (total) | measuring | In the cable capacitor |
|---|---|---|---|---|
| ATX connector 20+4 pin (300mm) | 1 | 1 | 16-22AWG | Do not |
| 4+4 pin EPS12V (410mm) | 1 | 1 | 16AWG | Do not |
| 8-pin EPS12V (410mm) / 4+4 pin EPS12V (150mm) | 1 | 1/1 | 16-18AWG | Do not |
| 6+2 pin PCIe (410mm+150mm) | 2 | 4 | 16-18AWG | Do not |
| SATA (310mm+195mm+95mm+95mm) | 2 | 8 | 18AWG | Do not |
| 4-pin Molex (310mm+195mm+195mm) / FDD (+100mm) | 1 | 3/1 | 18-22AWG | Do not |
| AC power cord (1370mm)-C13 coupler | 1 | 1 | 18AWG | —— |
There are two cables with EPS connectors, and you can use any of them as needed. Unfortunately, EPS and PCIe cables only have three sockets, so unless you only use one PCIe cable, you must choose between single EPS or dual EPS cables. We recommend not to use cables with two EPS connectors installed on high-power motherboards.
All cables are short because this PSU is used in a small case, but the distance between the 4-pin Molex connectors is large, 195 mm. Silverstone also provides FDD connectors, which most users don’t need. It would be better if they provided an additional 4-pin Molex connector.
Cable TV photo
Component analysis
We strongly recommend that you check our PSU 101, It provides valuable information about the PSU and its operation, Let you better understand the components we are going to discuss.
| normal information | —— |
| Manufacturer (OEM) | Enhanced electronics |
| Printed circuit board type | Duality |
| Primary side | —— |
| Transient filter | 6x Y capacitor, 3x X capacitor, 2x CM choke, 1x MOV |
| Surge protection | NTC thermistor SCK202R0 (2 ohm) |
| Bridge rectifier |
1x |
| APFC MOSFET |
2x Toshiba TK39A60W (600V, 38.8A, Rds(on): 0.065Ohm) |
| APFC boost diode |
1x UnitedSiC UJ3D06516TS (650V, 16A @ 152°C) |
| Bulk limit |
1x Rybycon (420V, 470uF, 3,000h @ 105°C, MXK) |
| Main switcher |
4x Oriental Semiconductor OSG55R140F (550V, 14.5A @ 100°C, Rds(on): 0.14Ohm) |
|
Integrated circuit driver |
2 Silicon Labs Si8230BD |
| APFC controller |
ATK AT6101ZS & CM03X |
| Resonant controller | Champion CM6901T6 |
| Topology |
Primary side: APFC, full bridge and LLC converter |
| Secondary side | —— |
| +12V MOSFET | 6x Infineon BSC014N04LS (40V, 125A @ 100°C, Rds(on): 1.4mOhm) |
| 5V & 3.3V | DC-DC converter: 4x UBIQ QN3109M6N (30V, 97A @ 100°C, Rds(on): 1.5mOhm) PWM controller: ANPEC APW7159C |
| Filter capacitor | Electrolysis: 4x Nippon Chemi-Con (4-10,000h @ 105°C, KY) Polymer: 4x FPCAP, 19x Unicon |
| Monitoring chip | Weltrend WT7527RA (OCP, OVP, UVP, SCP, PG) |
| Fan model | Globe Fan B0921512HB (92mm, 12V, 0.45A, dual ball bearing fan) |
| 5VSB circuit | —— |
| Rectifier |
1x PFR10V45CT SBR (45V, 10A) & 1x IPS ITU02N70A FET |
| Standby PWM controller | ATK AT6002H |
Overall photo
The large main heat sink with long fins is the first indication that Enhance Electronics has manufactured this platform. Some OEMs have unique heat sink designs. Enhancement is one of them.
As expected, the platform is densely populated. There is no heat sink on the secondary side because the FET that regulates the 12V rail is located on the solder side of the PCB. However, the design is modern, and Enhance does its best to find space to install all the necessary components (see the photo above the EMI filter X cap, they are located on the top of the CM choke).
Transient filter
The transient/EMI filter has several necessary components, including six Y and three X capacitors.
The single-bridge rectifier is bolted to the special radiator and cannot be identified without desoldering. We have avoided this situation in this case.
APFC converter
The APFC converter uses two Toshiba FETs and a boost diode, which is powerful. However, the bulk capacitor is provided by Rubycon. Although it is of top quality, its capacity is not enough to allow a hold time close to 17 milliseconds.
APFC controller is ATK AT6101ZS, CM03X IC supports reducing vampire power.
Main FET and primary transformer
The four main FETs are installed in a full-bridge topology and are handled by a pair of Silicon Labs driver ICs.
12V FET and VRM
Six FETs generate a 12V power rail. The secondary voltage rails of 5V and 3.3V are regulated by a pair of DC-DC converters.
Filter cap
Chemi-Con provides very few electrolytic caps, on the secondary side, because there is not much space available. On the other hand, Enhance has installed many Unicon and FPCAP polymer caps.
5VSB circuit
The 5VSB rail uses PFR10V45CT SBR on its secondary side and ITU02N70A FET on the primary side. The PWM controller is ATK AT6002H.
Modular board front
On the front of the modular board, Enhance installed several polymer caps to reduce ripple.
Welding quality
There are some solder joints with too much solder, but the soldering quality is generally satisfactory.
Cooling fan
The cooling fan has a diameter of 92 mm and uses double ball bearings. This is a premium fan that can easily exceed the five-year warranty period that supports SX750.
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