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Seasonic CORE BC-850 ATX 3.1 power supply unit 850 W 20+4 pin ATX Black

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Seasonic CORE BC-850 ATX 3.1 power supply unit 850 W 20+4 pin ATX Black

Name: Seasonic CORE BC-850 ATX 3.1 power supply unit 850 W 20+4 pin ATX Black
Brand: Seasonic
SKU: SRP-CBC851-A5A51JF

SKU

SRP-CBC851-A5A51JF

24 pieces available

In stock

Seasonic CORE BC-850 ATX 3.1, 850 W, 100 - 240 V, 50/60 Hz, 11 - 5.5 A, 100 W, 840 W

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Overview

Full specs

Overview

Highlights

CORE BC – Power Made Simple

The Seasonic CORE BC Series delivers reliable performance and modern ATX 3.1 compliance at an essential value. Designed for everyday builders and gamers, it embodies Seasonic’s trusted quality in a compact 140 mm design with a durable scratch-resistant finish.

With 80 PLUS® Bronze efficiency, Smart and Silent Fan Control (S2FC), and a 120 mm HDB fan, it ensures cool, quiet, and stable operation. The CORE BC-750 and CORE BC-850 include a 12V-2×6 PCIe Gen 5.1 cable, ready for the latest GPUs, while the CORE BC-650 meets all ATX 3.1 requirements with traditional connectors.

Built on decades of engineering excellence, the CORE BC Series delivers the quiet efficiency, reliability, and durability that define every Seasonic power supply.

Next-Gen and Legacy GPU Cable
Includes native 12V-2x6 and 2× 8-pin cables for maximum compatibility

S2FC - Intelligent Fan Control Technology
The Smart and Silent Fan Control (S2FC) system intelligently regulates the power supply’s fan speed to achieve the ideal balance between cooling efficiency and silent operation. By dynamically adjusting the fan curve according to temperature, it ensures that your system remains quiet during low-to-medium usage and effectively cooled when performance demands increase.

Good to know

Power

AC input frequency
50/60 Hz
AC input voltage
100 - 240 V
Combined power (+12V)
Array
Combined power (+3.3V)
100 W
Combined power (+5Vsb)
12.5 W

Performance

80 PLUS certification
80 PLUS Bronze
Bearing technology
Sleeve
Mean time between failures (MTBF)
100000 h
Power supply unit (PSU) form factor
ATX
Purpose
PC

Product Design

Product colour
Black
Cooling type
Active
Fan diameter
12 cm
Fan location
Top
Number of fans
1 fan(s)

Ports & interfaces

ATX power connector (20+4 pin)
Yes
Cabling type
Non-Modular
CPU power cable length
60 cm
CPU power connector (4+4 pin)
Yes
EPS power connector (4+4 pin)
Yes

Full Specs

Power

AC input frequency
50/60 Hz
AC input voltage
100 - 240 V
Combined power (+12V)
Array
Combined power (+3.3V)
100 W
Combined power (+5Vsb)
12.5 W
Input current
11 - 5.5 A
Max output current (+12V)
Array
Max output current (+3.3V)
20 A
Max output current (+5V)
20 A
Max output current (+5Vsb)
2.5 A
Power protection features
short circuit, over current, over voltage, over power
Total power
850 W

Performance

80 PLUS certification
80 PLUS Bronze
Bearing technology
Sleeve
Mean time between failures (MTBF)
100000 h
Power supply unit (PSU) form factor
ATX
Purpose
PC

Product Design

Product colour
Black
Cooling type
Active
Fan diameter
12 cm
Fan location
Top
Number of fans
1 fan(s)
On/off switch
Yes

Ports & interfaces

ATX power connector (20+4 pin)
Yes
Cabling type
Non-Modular
CPU power cable length
60 cm
CPU power connector (4+4 pin)
Yes
EPS power connector (4+4 pin)
Yes
Motherboard power cable length
55 cm
Motherboard power connector
20+4 pin ATX
Number of SATA power connectors
6
PCI Express connector
Yes
PCI Express power connectors (6+2 pin)
4
Peripheral (Molex) power connectors (4-pin)
3

Operational conditions

Operating temperature (T-T)
0 - 40 °C

Weight & dimensions

Depth
140 mm
Height
86 mm
Width
150 mm

Technical details

Sustainability certificates
ENERGY STAR

Certificates

Certification
CE, CB, CCC, cTUVus, TUV, BSMI, EAC, UKCA, Energy Star, RoHS, REACH, WEEE, ErP Lot 6
Compliance certificates
RoHS, CE, REACH, WEEE, UKCA, CCC, EAC, BSMI, CB, cTUVus

What we use your personal data for	Our reasons
Creating and managing your account with us	To perform our contract with you or to take steps at your request before entering into a contract
Providing products and/or services to you	To perform our contract with you or to take steps at your request before entering into a contract
Conducting checks to identify you and verify your identity or to help prevent and detect fraud against you or us	To comply with our legal and regulatory obligations
Enforcing legal rights or defend or undertake legal proceedings	Depending on the circumstances: — to comply with our legal and regulatory obligations — in other cases, for our legitimate interests, ie to protect our business, interests and rights
Customising our website and its content to your particular preferences based on a record of your selected preferences or on your use of our website	Depending on the circumstances: — your consent as gathered e.g., by the separate cookies tool on our website —see ‘Cookies and other tracking technologies’ below — where we are not required to obtain your consent and do not do so, for our legitimate interests, i.e., to be as efficient as we can so we can deliver the best service to you at the best price If you have provided such a consent, you may withdraw it at any time by changing the setting on the cookies tool (this will not affect the lawfulness of our use of your personal data in reliance on that consent before it was withdrawn)
Retaining and evaluating information on your recent visits to our website and how you move around different sections of our website for analytics purposes to understand how people use our website so that we can make it more intuitive or to check our website is working as intended	Depending on the circumstances: — your consent as gathered by the separate cookies tool on our website]—see ‘Cookies and other tracking technologies’ below — where we are not required to obtain your consent and do not do so, for our legitimate interests, i.e., to be as efficient as we can so we can deliver the best service to you at the best price If you have provided such a consent you may withdraw it at any time by clearing your cookie settings and rejecting when you revisit our website (this will not affect the lawfulness of our use of your personal data in reliance on that consent before it was withdrawn)
Communications with you not related to marketing, including about changes to our terms or policies or changes to the products AND/OR services or other important notices	Depending on the circumstances: — to comply with our legal and regulatory obligations — in other cases, for our legitimate interests, i.e., to be as efficient as we can so we can deliver the best service to you at the best price
Protecting the security of systems and data used to provide the services	To comply with our legal and regulatory obligations. We may also use your personal data to ensure the security of systems and data to a standard that goes beyond our legal obligations, and in those cases our reasons are for our legitimate interests, i.e., to protect systems and data and to prevent and detect criminal activity that could be damaging for you and/or us.
Statistical analysis to help us understand our customer base	For our legitimate interests, i.e., to be as efficient as we can so we can deliver the best service to you at the best price
Updating and enhancing customer records	Depending on the circumstances: — to perform our contract with you or to take steps at your request before entering into a contract — to comply with our legal and regulatory obligations — where neither of the above apply, for our legitimate interests, e.g., making sure that we can keep in touch with our customers about existing orders and new products
Disclosures and other activities necessary to comply with legal and regulatory obligations that apply to our business, e.g. to record and demonstrate evidence of your consents where relevant	To comply with our legal and regulatory obligations
Marketing our services to existing and former customers	For our legitimate interests, i.e., to promote our business to existing and former customers See ‘Marketing’ below for further information
The audit of our ISO certifications (to the extent not covered by ‘activities necessary to comply with legal and regulatory obligations’ above)	For our legitimate interests, i.e., to maintain our accreditations so we can demonstrate we operate at the highest standards
To share your personal data with members of our group and third parties that will or may take control or ownership of some or all of our business (and professional advisors acting on our or their behalf) in connection with a significant corporate transaction or restructuring, including a merger, acquisition, asset sale, initial public offering or in the event of our insolvency. In such cases information will be anonymised where possible and only shared where necessary	Depending on the circumstances: — to comply with our legal and regulatory obligations — in other cases, for our legitimate interests, i.e., to protect, realise or grow the value in our business and assets

Recipient	Processing operation (use) by recipient	Relevant categories of personal data transferred to recipient
Google	We use Google Analytics (GA4) cookies to collect data about the visitors to the site which includes the number of visitors, session duration, pages visited during the session etc. and whether visitors return. Google Analytics will assign a unique “ID” to a user of the boxxe website at the point they register an account with us for the purpose of tracking their activity on the boxxe website. This information is anonymous and cannot be used to identify you personally unless you end up becoming a boxxe customer. Google Analytics cannot use the ID to work out who you are.	Device’s IP address (processed during your session and stored in a de-identified form) geographic location (country only), and the preferred language used to display our website. Google Analytics stores this information on our behalf in a pseudonymized user profile.
Hotjar Ltd	We use Hotjar in order to better understand our users’ needs and to optimize this service and experience. Hotjar is a technology service that helps us better understand our users’ experience (e.g. how much time they spend on which pages, which links they choose to click, what users do and don’t like, etc.) and this enables us to build and maintain our service with user feedback. Hotjar uses cookies and other technologies to collect data on our users’ behaviour and their devices. Hotjar is contractually forbidden to sell any of the data collected on our behalf.	This includes a device's IP address (processed during your session and stored in a de-identified form), device screen size, device type (unique device identifiers), browser information, geographic location (country only), and the preferred language used to display our website. Hotjar stores this information on our behalf in a pseudonymized user profile.
Dotdigital	Dotdigital is a SaaS cross-channel marketing automation platform and services provider that helps brands devise successful, personalized marketing campaigns across multiple channels (e.g. email). Paired with its Microsoft Dynamics 365 CRM integration, boxxe is able to deliver tailored marketing to its customers.	Contact data (such as email address, contact number, name or other contact details), marketing preferences, IP address and usage information (including online navigation data, location data and browser data).

Recipient	Processing operation (use) by recipient	Relevant categories of personal data transferred to recipient
Google	We use Google Analytics (GA4) cookies to collect data about the visitors to the site which includes the number of visitors, session duration, pages visited during the session etc. and whether visitors return. Google Analytics will assign a unique “ID” to a user of the boxxe website at the point they register an account with us for the purpose of tracking their activity on the boxxe website. This information is anonymous and cannot be used to identify you personally unless you end up becoming a boxxe customer. Google Analytics cannot use the ID to work out who you are.	Device’s IP address (processed during your session and stored in a de-identified form) geographic location (country only), and the preferred language used to display our website. Google Analytics stores this information on our behalf in a pseudonymized user profile.
Hotjar Ltd	We use Hotjar in order to better understand our users’ needs and to optimize this service and experience. Hotjar is a technology service that helps us better understand our users’ experience (e.g. how much time they spend on which pages, which links they choose to click, what users do and don’t like, etc.) and this enables us to build and maintain our service with user feedback. Hotjar uses cookies and other technologies to collect data on our users’ behaviour and their devices. Hotjar is contractually forbidden to sell any of the data collected on our behalf.	This includes a device's IP address (processed during your session and stored in a de-identified form), device screen size, device type (unique device identifiers), browser information, geographic location (country only), and the preferred language used to display our website. Hotjar stores this information on our behalf in a pseudonymized user profile.
Dotdigital	Dotdigital is a SaaS cross-channel marketing automation platform and services provider that helps brands devise successful, personalized marketing campaigns across multiple channels (e.g. email). Paired with its Microsoft Dynamics 365 CRM integration, boxxe is able to deliver tailored marketing to its customers.	Contact data (such as email address, contact number, name or other contact details), marketing preferences, IP address and usage information (including online navigation data, location data and browser data).
Darktrace	Darktrace’s Security Platform enhances boxxe’s cybersecurity position by providing endpoint protection, cloud security, and email security. Darktrace uses AI-driven tools to detect and respond to potential threats, such as malware, phishing attacks, and insider threats, by continuously monitoring network traffic, user behaviour, and cloud-based resources. It aims to prevent data breaches and minimize cyber risks by identifying and mitigating security threats in real-time.	Contact data (name, email address, user name), devide identifiers (e.g. IP address) and/or mobile identifiers, location data to nearest city, usage information (including tracking or browsing behavior).
Greenhouse	Greenhouse ATS is a cloud-based software that helps companies manage their recruitment processes. It organizes and tracks job applications, resumes, and candidate information. Greenhouse ATS collects applications and stores data about the applicants, such as which source they came from, which role they applied to and where they are in the application process. Greenhouse ATS features applicant tracking, background screening, interview scheduling, and onboarding.	Contact details (name, email address, home address, telephone number) and any special accommodations needed if successful for interview and employment.

Recipient country	Recipient	Processing operation (use) by recipient	Lawful safeguard
Ireland	Hotjar	Hotjar uses cookies and other technologies to collect data on our users’ behaviour and their devices. This includes a device's IP address (processed during your session and stored in a de-identified form), device screen size, device type (unique device identifiers), browser information, geographic location (country only), and the preferred language used to display our website. Hotjar stores this information on our behalf in a pseudonymized user profile.	Adequacy regulation further to paragraph 5(1)(a) of Part 3 of Schedule 21 to the Data Protection Act 2018 https://www.hotjar.com/legal/support/dpa/
USA	Stripe Inc	In order to facilitate online payments through boxxe’s ecommerce portal, where applicable, Stripe may Process Payment Account Details, bank account details, billing/shipping address, name, date/time/amount of transaction, device ID, email address, IP address/location, order ID, payment card details, tax ID/status, unique customer identifier, identity information including government issued documents (e.g., national IDs, driver’s licenses and passports).	UK Data Transfer Addendum https://stripe.com/gb/legal/dpa
EEA	Dotdigital	Boxxe will provide certain information about its customers to DotDigital in order for it to be able to provide automated marketing services that are tailored to its specific customer interests.	Adequacy regulation further to paragraph 5(1)(a) of Part 3 of Schedule 21 to the Data Protection Act 2018. https://dotdigital.com/terms/data-processing-agreement/
Ireland/EEA/USA	Greenhouse	Data will primarily be stored at rest in Greenhouse’s Silos - EU-Central-1 (Frankfurt) and EU-West-1 (Ireland) for disaster recovery. Data will only be transferred to and from Greenhouse servers in the EU and the US for essential business activities, including technical support, sub-processor services, and others as outlined in the Greenhouse DPA (data processing agreement).	https://www.greenhouse.com/uk/data-processing-addendum

Access to a copy of your personal data	The right to be provided with a copy of your personal data
Correction (also known as rectification)	The right to require us to correct any mistakes in your personal data
Erasure (also known as the right to be forgotten)	The right to require us to delete your personal data—in certain situations
Restriction of use	The right to require us to restrict use of your personal data in certain circumstances, e.g. if you contest the accuracy of the data
Data portability	The right to receive the personal data you provided to us, in a structured, commonly used and machine-readable format and/or transmit that data to a third party—in certain situations
To object to use	The right to object: —at any time to your personal data being used for direct marketing (including profiling) —in certain other situations to our continued use of your personal data, e.g. where we use your personal data for our legitimate interests unless there are compelling legitimate grounds for the processing to continue or the processing is required for the establishment, exercise or defence of legal claims
Not to be subject to decisions without human involvement	The right not to be subject to a decision based solely on automated processing (including profiling) that produces legal effects concerning you or similarly significantly affects you. We do not make any such decisions based on data collected by our website
The right to withdraw consents	If you have provided us with a consent to use your personal data you have a right to withdraw that consent easily at any time You may withdraw consents by emailing marketing@boxxe.com Withdrawing a consent will not affect the lawfulness of our use of your personal data in reliance on that consent before it was withdrawn

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Seasonic CORE BC-850 ATX 3.1 power supply unit 850 W 20+4 pin ATX Black

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