We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Rectangular bronze ATX power supply with 120 mm fan grille and modular cable sockets

Montech

Montech BETA 2 850W power supply

SKU CH-PEBH-E43PQ MPN BETA 2 850W

An 850 W ATX power supply with 80 Plus Bronze efficiency, a 120 mm fan, DC-to-DC topology, a Japanese main capacitor and a native 12V-2x6 connector for RTX 50 and 40 series cards

  • Max wattage850 W
  • Fan configuration1 × 120 mm
  • Efficiency certification80 PLUS BRONZE Certified
  • Built-in protectionOPP, OVP, UVP, OCP, OTP, SCP
  • Connection typesM/B 20+4Pin: 1 (20+4 Pins) CPU 4+4Pin: 2 (4+4 Pins) PCIE 6+2
  • Product colorBronze

Wattage 850W

  • Ready for modern GPU spikes with ATX 3.1 and PCIe 5.1 compliance
  • Native 12V-2x6 cable powers RTX 50/40 cards without adapters
  • DC-to-DC topology delivers tight voltage regulation and clean power
  • Japanese main capacitor ensures heat resistance and ripple suppression
  • 80 PLUS Bronze certification gives 85% efficiency at typical loads

Power Supply for Modern GPUs

The Montech BETA 2 850W is an ATX unit rated at 850 W. It targets builders who need a native 12V-2x6 cable for RTX 40 or 50 series graphics cards. The design meets ATX 3.1 and PCIe 5.1 specifications for handling transient power spikes. It is not for buyers who want more storage connectors than the four SATA and four Molex provided.

Compatibility Checks Before Ordering

Verify your case can accept a unit measuring 140 x 150 x 86 mm. Confirm the motherboard requires a single 20+4 pin main connector and up to two CPU 4+4 pin cables. Ensure the graphics card draws power through the supplied 12V-2x6 connector or the two 6+2 pin PCIe cables. Do not proceed if your build demands additional PCIe or EPS connectors beyond what is listed.

Thermals Noise and Power Draw

A single 120 mm fan cools the internals while 80 PLUS Bronze certification guarantees 85 percent efficiency at typical loads. DC-to-DC topology and a Japanese main capacitor keep voltage regulation tight and ripple low under heavy gaming loads. The six-point protection suite (OPP, OVP, UVP, OCP, OTP, SCP) shuts the unit down safely during abnormal conditions.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $56.99
Cheaper than about 87% of the 10,869 comparable items (median $142.99).
Max wattage 850 W
Typical for this category: the median of 930 items is 850 W.

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameMontech
Model nameBETA 2 850 W
Part numberBETA 2 850 W
Product colorBronze
Product typeATX
Ports & slots
Connection typesM/B 20+4Pin: 1 (20+4 Pins)
CPU 4+4Pin: 2 (4+4 Pins)
PCIE 6+2: 2 (6+2 Pins)
SATA: 4
Molex 4Pin: 4
Power
Max wattage850 W
Efficiency certification80 PLUS BRONZE Certified
Built-in protectionOPP, OVP, UVP, OCP, OTP, SCP
Size & build
Product dimensions140 × 150 × 86 mm
Shipping weight2.00 kg
Package size254 × 201 × 102 mm
More details
Fan configuration1 × 120 mm

Other versions of this model

3 more in the same range

Questions about this item

Will the native 12V-2x6 cable power an RTX 40 or 50 series card without an adapter?

Yes, the unit ships with a native 12V-2x6 connector that plugs directly into RTX 40 and 50 series graphics cards — no adapter required.

Does the 850 W output leave headroom for a high-end GPU and CPU together?

At 850 W the supply can deliver ample power for a modern flagship GPU and CPU combination while staying within the 80 PLUS Bronze 85% efficiency band.

How many CPU power connectors are available for dual-EPS motherboards?

Two 4+4 pin CPU cables are included, so dual-EPS boards can be fully populated without splitters.

More in ATX Desktop Power Supplies

Similar items