$(csi.user.businessName)

Main Content

Loading...

Deals for every list.It’s officially saving season.Shop now

Skip to content Go to Product Search

Visit our Support Center
Check your Order Status
Shipping, Delivery & Store Pickup
Returns & Exchanges
Price Match Guarantee

Order & Purchases

Check Order Status
Shipping, Delivery & Pickup
Returns & Exchanges
Price Match Guarantee
Product Recalls
Trade-In Program
Gift Cards

Payment Options

My Best Buy® Credit Card
Pay Your Bill at Citibank
Lease to Own
Buy Now, Pay Later
Best Buy Business Financing

Support & Services

Visit our Support Center
Schedule a Service
Manage an Appointment
Protection & Support Plans
Haul Away & Recycling
Contact Us

Rewards & Membership

My Best Buy Memberships
View Points & Certificates
Member Offers

Partnerships

Sell on Best Buy Marketplace
Advertise with Us
Affiliates: Creators & Publishers
Best Buy Health
Best Buy Education
Best Buy Business
Partner+

About Best Buy

Corporate Information
Careers
Corporate Responsibility
Sustainability

Sign in or Create Account

Get the latest deals and more.

Email Address

Best Buy appLearn more ›

Best Buy Canada

Accessibility Terms & Conditions Privacy Interest-Based Ads State Privacy Rights Health Data Privacy Do Not Sell/Share My Personal Information Limit Use of My Sensitive Personal Information Targeted Advertising Opt Out CA Supply Chain Transparency Act

In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.

Black Friday Deals

Deal of the Day

My Best Buy Memberships

Best Buy Business

Best Buy Gamers

be quiet! Straight Power E8 search results

Filters

Skip To Results

Get it fast

Pickup · Ready todaySelect Store

Shipping · Get it today55423

Sold & shipped by

Best Buy

Category: Power Supplies

Price

to

$50 - $74.99

$75 - $99.99

$100 - $149.99

$150 - $199.99

$200 - $249.99

$250 - $499.99

Brand

Thermaltake

be quiet!

CORSAIR

Antec

Lian Li

NZXT

Fractal Design

Montech

Current Deals

On Sale

Color

Black

White

PCI Express Version

PCI Express 5.1

PCI Express 5.0

PCI Express 4.0

PCI Express 3.1

PCI Express 3.0

Form Factor

ATX

SFX

Customer Rating

Top-Rated

5

4 & Up

Energy Efficiency Rating

80 PLUS Platinum

80 PLUS Gold

80 PLUS Bronze

80 PLUS

80 PLUS Titanium

Cybenetics Gold

Condition

Modular

Fully modular

Non-modular

Semi-modular

Wattage

600 - 799 Watts

800 - 999 Watts

1000 Watts or More

Cord Length

Less than 5 ft

5 - 7.9 ft

be quiet! Straight Power E8 in Power Supplies (23)

Search all categories

Sort by:

Sponsored

Sponsored

Sponsored

Sponsored

Corsair RM1000x is a powerful computer component that serves as a power supply unit. It is designed to provide efficient and reliable power to the motherboard and other components of a computer system. The RM1000x features a sleek black design and is equipped with a high-quality fan to ensure proper cooling. It is compatible with both SATA and PATA drives, making it suitable for a wide range of computer systems.

CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

Compare

Front. Thermaltake - Toughpower GF A3 850W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black.

Thermaltake - Toughpower GF A3 850W 80 PLUS Gold PCIe Gen 5 ATX 3.0 Ready Fully Modular Power Supply - Black

Compare

The text on the image reads: "PC-E e CPU 2014 MOTHERBOARD Caso NZA + T 12V-2XG. 1 NZXT | SUPPLIES PCE - CPU POWER OTHER FROM CABLES MODULAR + NZXT TA EATA i USE NOT PERIPHERAL DO + x + +". This text is a mix of different phrases and sentences, so it is not possible to group and correct it without reorganizing the content.

NZXT - C 850W ATX 3.1 80 Plus Gold Fully Modular Power Supply - Black

Compare

Front. Thermaltake - Toughpower GX2 600W 80 PLUS Gold ATX Power Supply - Black.

Thermaltake - Toughpower GX2 600W 80 PLUS Gold ATX Power Supply - Black

Rating 4.7 out of 5 stars with 160 reviews

4.7(160 reviews)

Compare

Sponsored

Rating 4.8 out of 5 stars with 528 reviews

4.8(528 reviews)

Rating 4.7 out of 5 stars with 192 reviews

4.7(192 reviews)

Rating 4.6 out of 5 stars with 58 reviews

4.6(58 reviews)