Compare Power Supplies

Compare Rosewill VMG 850W vs RD450-2-SB

Rosewill VMG 850W and Rosewill RD450-2-SB are both power supplies with the same Length (140 mm). The main differences are in Wattage, Modular, PCI-Express 16 Pin 12VHPWR Connectors and PCI-Express 6+2 Pin Connectors.

Save comparison

Rosewill VMG 850W

Rosewill RD450-2-SB

Prices
(Change region)

In Stock

Free shipping

$79.99 (~~$89.99~~)

$10.00 off w/ promo code: RWPC65, ends 6/30

In Stock

Last updated 41 minutes ago.

Prices
(Change region)

-

* Pangoly may earn a commission when you use one of the links to make a purchase. (Disclosure)

* Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.

Brand

Rosewill

Brand

Rosewill

Model

VMG850

Model

RD450-2-SB

Release Date

📅 June 2025

Release Date

-

* First availability for purchase, it may not correspond to the actual market launch date.

User reviews

Add a product review

User reviews

Add a product review

Price history

View Details ►

Price history

View Details ►

Compatible PC parts

Graphics Cards ► Cases ►

Compatible PC parts

Graphics Cards ► Cases ►

Wattage

850 W

Wattage

450 W

Type

ATX

Type

ATX

Modular

Full

Modular

No

Efficiency

80+ Gold

Efficiency

-

Output

-

Output

+3.3V@22A, +5V@15A, +12V1@14A, +12V2@16A, -12V@0.3A, +5VSB@2.5A

PCI-Express 16 Pin 12VHPWR Connectors

1

PCI-Express 16 Pin 12VHPWR Connectors

0

PCI-Express 12 Pin Connectors

0

PCI-Express 12 Pin Connectors

0

PCI-Express 6+2 Pin Connectors

3

PCI-Express 6+2 Pin Connectors

0

PCI-Express 6 Pin Connectors

0

PCI-Express 6 Pin Connectors

1

EPS Connectors

2

EPS Connectors

1

SATA Connectors

8

SATA Connectors

4

Molex Connectors

4

Molex Connectors

2

Length

140 mm

Length

140 mm

-

Options (1)

Rosewill Stallion Series 400W

80+ 400W

Comparison and key differences summary

Reasons to buy the Rosewill VMG 850W:

+400 Watts available
Fully modular power supply
+3 PCI-Express 6+2 Pin connectors available
+1 EPS connectors available
+4 SATA connectors available
+2 Molex connectors available

Reasons to buy the Rosewill RD450-2-SB:

Have you found incorrect information on this page? Contact us and we will fix it as soon as possible.

Trending comparisons (Power Supplies)

CORSAIR RM850e (2025)

VS

MSI MAG A850GL PCIE 5

CORSAIR RM850e (2025)

vs

MSI MAG A850GL PCIE 5

be quiet! Pure Power 13 M 1000W

VS

CORSAIR RMx Series RM1000x (2024)

be quiet! Pure Power 13 M 1000W

vs

CORSAIR RMx Series RM1000x (2024)

Lian Li EDGE GOLD 850W

VS

MSI MAG A850GL PCIE 5

Lian Li EDGE GOLD 850W

vs

MSI MAG A850GL PCIE 5

Corsair RM850e

VS

Corsair RM850x

Corsair RM850e

vs

Corsair RM850x

MSI MAG A750GLS PCIE5

VS

MSI MAG A750GL PCIE 5

MSI MAG A750GLS PCIE5

vs

MSI MAG A750GL PCIE 5

be quiet! Dark Power 14 850W

VS

SeaSonic VERTEX PX-850

be quiet! Dark Power 14 850W

vs

SeaSonic VERTEX PX-850

CORSAIR HX1500i 2025

VS

EVGA SuperNOVA 1000 G3 80 Plus Gold 1000W

CORSAIR HX1500i 2025

vs

EVGA SuperNOVA 1000 G3 80 Plus Gold 1000W

CORSAIR RMx Series RM850x (2024)

VS

CORSAIR RMx Series RM1000x (2024)

CORSAIR RMx Series RM850x (2024)

vs

CORSAIR RMx Series RM1000x (2024)

be quiet! Pure Power 13 M 850W

VS

Cooler Master MWE 750 Bronze V2

be quiet! Pure Power 13 M 850W

vs

Cooler Master MWE 750 Bronze V2

be quiet! Pure Power 13 M 850W

VS

be quiet! Power Zone 2 850W

be quiet! Pure Power 13 M 850W

vs

be quiet! Power Zone 2 850W