The SilverStone Hela 1650R ATX 3.1 PCIe 5.1 power supply delivers 1650W of reliable performance, built for high-end systems demanding maximum efficiency and stability. Featuring 80 PLUS Platinum certification, fully modular cabling, and advanced cooling with a quiet 135mm fan, it ensures optimal airflow and reduced noise. With native PCIe 5.1 12VHPWR support, it’s ready for the latest GPUs, while its high-quality Japanese capacitors and robust protections provide long-term durability. Designed for extreme workloads, overclocking, and multi-GPU setups, this powerhouse PSU is the ultimate choice for uncompromising performance.
Features
HELA 1650R Platinum
Cybenetics Platinum 1650W PCIe 5 Fully Modular ATX (PS2) Power Supply
- Supports 12V-2x6 PCIe connector with ATX 3.1 and PCIe Gen 5 standard
- High efficiency with Cybenetics Platinum certification
- 24/7 continuous power output with 50℃ operating temperature
- Fully modular design with SilverStone’s 3rd generation modular interface
- Silent-running 140mm FDB fan with delayed shut-off function
- All black flat cables
12V-2x6 PCIe Connector with ATX 3.1 and PCIe Gen5 Standards
Easily and efficiently power high-end systems with the latest graphics cards.
Cybenetics Platinum Certified
Designed for Cybenetics Platinum level of efficiency, to minimise wasted heat while significantly reducing electricity consumption.
Fully Modular Design with Universal EPS / PCIe Connector Interface
Included are flat cables that offer exceptional flexibility, enabling easy and efficient cable folding and management.
All Japanese Electrolytic Capacitors
Guarantees dependable power delivery and an extended lifespan.
High Reliability Cooling Fan with Delayed Shut-Off Function
Equipped with a 140mm FDB bearing fan that delivers exceptional airflow and operates quietly. It also features a delayed shut-off function, which extends the cooling process after the system powers down, helping to dissipate residual heat and protect sensitive components.
Advanced Protections for Safety and Security
- OCP - Over Current Protection
- OPP - Over Power Protection
- OVP - Over Voltage Protection
- SCP - Short Circuit Protection
- UVP - Under Voltage Protection
- OTP - Over Temperature Protection
Specifications
General Data
| Model Number |
SST-HA1650R-PM |
| Model (Safety Certification) |
SST-AX1650MCPT-A |
| Colour |
Black (lead-free paint) |
| Max. DC Output |
1650 W |
| Power Density |
710.6 W/L |
| Combined +3.3V & +5V |
130 W |
| Combined +12V |
1650 W |
| Input Voltage |
103 ~ 264 Vrms |
| Input Frequency Range |
47 Hz ~ 63 Hz |
| PFC |
Active PFC (PF>0.9 at full load) |
| Efficiency |
89% ~ 91% overall efficiency |
| MTBF |
100,000 hours |
| Operating Temperature |
0°C ~ 50°C |
| Protection |
Over Current Protection
Over Power Protection
Over Voltage Protection
Short Circuit Protection
Over Temperature Protection
Under Voltage Protection |
| Connectors |
1 x 24 / 20-Pin motherboard connector
2 x 8 / 4-Pin EPS / ATX 12V connectors
9 x 8 / 6-Pin PCIe connectors
2 x 12+4-Pin 12V-2 x 6 connectors
16 x SATA connectors
6 x 4-Pin Peripheral connector
1 x 4-Pin Floppy adaptor connector |
| Cooling System |
Silent 140mm FDB fan |
| Noise Level |
18 dBA minimum |
| Certification |
Cybenetics Platinum |
| Form Factor |
ATX (PS2) |
| Dimension |
150 mm (W) x 86 mm (H) x 180 mm (D)
5.91” (W) x 2.5” (H) x 7.1” (D) |
| Weight |
2.09 kg |
Load Range
| Output |
+3.3 V |
+5 V |
+12 V |
+5 VSB |
-12 V |
| Max.(Amps) |
25 A |
22 A |
137.5 A |
3.0 A |
0.3 A |
| Peak (Amps) |
/ |
/ |
/ |
/ |
/ |
| Min.(Amps) |
0 A |
0 A |
0 A |
0 A |
0 A |
| Range (%) |
±3% |
±3% |
±3% |
±5% |
±5% |
| Line Reg.(%) |
±1% |
±1% |
±1% |
±1% |
±1% |
| Ripple(mVp-p) |
40 mV |
40 mV |
80 mV |
40 mV |
80 mV |
Backed by a 5-year Silverstone Warranty.
