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Home » PC Components » Power Supply » SilverStone HELA 850R Platinum ATX 3.0 and PCIe 5.0 PSU with 12VHPWR Connector Now Available

SilverStone HELA 850R Platinum ATX 3.0 and PCIe 5.0 PSU with 12VHPWR Connector Now Available

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With the release of GeForce RTX 30 series Founders Edition cards, NVIDIA used a new 16-pin PCIe power connector. Now it is expected that the next generation graphics cards (RTX 40 Series) will use the new PCIe 5.0 connector and will slowly move away from the usual 8-pin PCIe power connector. It looks like the SilverStone HELA 850R Platinum is the first ATX 3.0 and PCIe 5.0 with a dedicated 12VHPWR connector you can buy right now. It currently retails for around $215 and you can get one from Amazon.com here. If you’re building a new system or gaming PC from scratch, and you plan to upgrade or buy the next generation RTX 40 series graphics cards, then you might want to invest in a PSU that is ATX 3.0 and PCIe 5.0 ready.

SilverStone HELA 850R Platinum PSU Now Available

The SilverStone HELA 850R Platinum is a full modular PSU with flexible black flat cables and all Japanese electrolytic capacitors. Interestingly, you won’t see an “80 Plus Platinum” certification on this PSU. Instead, the HELA 850R is a Cybernetics Platinum-certified power supply.

It is an ATX 3.0 and PCIe 5.0 PSU with a dedicated 16-pin 12VHPWER PCIe connector for high-performance graphics cards like the upcoming NVIDIA GeForce RTX 40 series GPUs. According to SilverStone, “the 16-pin (12VHPWR) design is capable of withstanding power failure caused by a running graphics card’s instantaneous peak power consumption, whilst providing higher stability and efficiency power output for high-end systems”.

The HELA 850R Platinum has a built-in 135mm low-noise FDB fan to cool the PSU. It also features several advanced protections like over current protection, over power, over voltage, under voltage, over temperature, and short circuit protections.

You can check out more details from the specifications table below.

Pricing and Availability

The SilverStone HELA 850R Platinum is now available and currently retails for $215. You can check its latest pricing and availability on Amazon.com here.

SilverStone HELA 850R Platnium Specifications

Product No.
Model (safety certification)
SST-HA850R-PT
SST-AX0850MCPT-A
ColorBlack (lead-free paint)
Max. DC Output850W
Power density439W per liter
Combined +3.3V & +5V120W
Combined +12V849.6W
Input Voltage90 ~ 264 Vrms
Input Frequency Range47Hz ~ 63Hz
PFCActive PFC (PF>0.9 at full load)
Efficiency≥89% & <91% overall efficiency
MTBF100,000 hrs
Operating temperature0°C ~ 50°C
Cooling SystemSilent 135mm FDB fan
Noise Level0 dBA minimum
CertificationCybenetics Platinum
Form factorATX (PS2)
Dimension150 mm (W) x 86 mm (H) x 150 mm (D)
Weight2.56 kg
ProtectionOver Current Protection
Over Power Protection
Over Voltage Protection
Over Temperature Protection
Short Circuit Protection
Under Voltage Protection
Connectors1 x 24 / 20-Pin motherboard connector
2 x 8 / 4-Pin EPS / ATX 12V connectors
1 x 12+4-Pin 12VHPWR connector
5 x 8 / 6-Pin PCIe connectors
8 x SATA connectors
6 x 4-Pin Peripheral connectors
2 x 4-Pin Floppy connectors

Load Range

Output+3.3V+5V+12V+5VSB-12V
Max.(Amps)22A22A70.8A3.0A0.3A
Min.(Amps)0A0A0A0A0A
Range (%)±5%±5%+5/-7%±10%±5%
Line Reg.(%)±1%±1%±1%±1%±1%
Ripple(mVp-p)40mV40mV80mV40mV80mV
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I love computers since I was a kid. I’m always fascinated with new technology, especially in the PC world. Many years ago, I was curious if the reviews I read were true and real. So, why not test them myself and share my first-hand experience? And thus, here we are. Thanks for reading!

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