BN339 Be Quiet! Straight Power 12 Active 1200W ATX Desktop PSU
Get extra volume discount for BN339 and save cash:
| Quantity | Unit price |
|---|---|
| To 9 |
€255.39
|
| To 19 |
€242.70
€255.39
(4.97% saved)
|
| To 49 |
€237.60
€255.39
(6.97% saved)
|
| From 50 |
€229.90
€255.39
(9.98% saved)
|
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€255.39
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BN339
High-Efficiency ATX 3.0 Desktop Power Supply for GPU Workstations with the BN339
The BN339 is a 1200W, non-redundant ATX-form-factor PSU engineered for high-core-count workstation towers and PCIe 5.0-class GPU builds that demand stable 12V delivery under fast transient load. With ATX 3.0 compliance and dual 12VHPWR outputs, it is aligned to modern accelerator power profiles where sustained compute and sudden boost behavior must remain within tight regulation and protection thresholds.
Designed for electrically dense systems, the BN339 combines 80 PLUS Platinum efficiency with Active PFC to reduce waste heat and lower PSU stress in continuous operation up to 40°C. Fully modular cabling supports clean airflow paths and predictable serviceability, while broad connector coverage enables multi-drive storage layouts and mixed PCIe GPU topologies without adapters. Integrated protections (OCP, OVP, UVP, overload, overheat) help preserve component integrity during fault conditions, making the unit suitable for lab, developer, and production workstation deployments where uptime relies on controlled single-PSU power domains.
Why Choose the BN339?
The BN339 targets environments that prioritize performance-per-watt and quiet, controlled thermals over redundant power infrastructure. Its density-to-stability profile suits tower and bench systems with large GPU power excursions, while ATX 3.0 signaling and dual 12VHPWR simplify scalable GPU provisioning. For enterprise IT teams standardizing high-wattage desktop platforms, the BN339 offers predictable integration, modular lifecycle handling, and protection coverage aligned with continuous compute workloads.
be quiet! focuses on electrically efficient designs with acoustically optimized cooling and qualification against modern compliance standards, supporting reliable power delivery within current data center and engineering lab expectations.
Key Applications:
- GPU workstation towers
- Developer and CI build nodes
- AI and rendering desktops
- High-core-count CPU workstations
- Multi-drive storage workstations
At Happyware - Server Hardware you benefit from non-binding offers tailored to your configuration and procurement volume, helping you integrate the BN339 into standardized workstation bills of materials with clear technical alignment and delivery planning.
Technical details of BN339
How long is the Warranty and how you can get technical support for BN339
| Warranty: | 24 months (part) |
|---|---|
| RMA Url: | https://www.bequiet.com/de/contact/rma |
| Description: | Items must be returned before a replacement is sent.Warranty support may not be available in all countries. |
| Support Portal: | https://support.happyware.com |
|---|
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