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669777-B21
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- HP 150W PCIe Power Cable Kit
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Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
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All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
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RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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669777-B21 Overview
669777-B21 is a 750W semi-modular ATX power supply that delivers reliable performance with 80 PLUS Gold certification and an input voltage range of 100–240V. It features active PFC and a 120mm fan with fluid dynamic bearing technology, ensuring efficient cooling and low noise even under heavy loads while incorporating critical protection features such as OCP, OVP, and SCP.
Engineered for high-performance gaming and workstation environments, 669777-B21 offers a comprehensive connector suite including one ATX 24-pin, one EPS (CPU) 4+4-pin, two PCIe (6+2) connectors, four SATA power connectors, and two Molex connectors while omitting a floppy connector. With premium sleeved cables and a robust build quality, this power supply is optimized to offer stable performance and efficient energy consumption for demanding computing applications.
What is the price of 669777-B21?
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669777-B21 Specifications
| Product Type | Power Supply |
| Wattage | 750W |
| Use Case | Gaming |
| Form Factor | ATX |
| Modularity | Semi-Modular |
| 80 PLUS Certification | Gold |
| Rail Configuration | Single Rail |
| Certifications | 80 PLUS / CE / FCC / UL / RoHS |
| Remote Monitoring | No |
| Input Voltage | 100–240V |
| Hot-Swap Capable | No |
| PFC (Power Factor Correction) | Active PFC |
| Fan Size | 120mm |
| Fan Bearing Type | Fluid Dynamic |
| Zero RPM Mode | Yes |
| Efficiency Rating | 92% |
| Protections | OCP / OVP / SCP |
| ATX 24-Pin Connectors | 1 |
| EPS (CPU) 4+4 Pin | 1 |
| PCIe (6+2) Connectors | 2 |
| SATA Power Connectors | 4 |
| Molex Connectors | 2 |
| Floppy Connector | No |
| Cable Type | Sleeved |
| RGB Lighting | No |
| MTBF (Mean Time Between Failures) | 150,000 hours |
| Operating Temperature | 50°C |
| Product Name | 669777-B21 High Performance Semi-Modular ATX PSU |
| Height | 5.5 inches |
| Width | 6.3 inches |
| Depth | 9.8 inches |
| Weight | 4.8 lbs |
669777-B21 Use Case
Accelerating 3D CAD and 4K Video Rendering with HP 669777-B21 150W PCIe Power Cable Kit
In architectural and media production studios leveraging HP Z6/Z8 workstations, the HP 669777-B21 150W PCIe Power Cable Kit delivers consistent 150W power to dual NVIDIA or AMD GPUs. Outcome: ensures uninterrupted high-fidelity rendering, shrinks frame export times by up to 30%, and maintains system stability under peak workloads.
Optimizing GPU-Accelerated Server Power Delivery in Enterprise Data Centers
In enterprise data centers running HP ProLiant servers for virtualization and GPU-intensive applications, the HP 669777-B21 150W PCIe Power Cable Kit provides precise 150W rails to multiple accelerator cards. Outcome: boosts GPU uptime by 25%, minimizes voltage fluctuation risks, and supports seamless scaling of virtual desktop infrastructure (VDI).
Enhancing AI/ML Training Throughput on HP ProLiant DL380 with 150W PCIe Power Cable
In research and development environments executing deep learning workloads on HP ProLiant DL380 servers, the HP 669777-B21 150W PCIe Power Cable Kit ensures stable, high-amperage delivery to NVIDIA Tesla or A100 GPUs. Outcome: accelerates model training by 15%, reduces mid-job interruptions, and maximizes GPU utilization for large-scale AI projects.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| 80 PLUS Certification | Gold | Gold | Gold | Gold | Gold |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| Cable Type | Sleeved | Sleeved | Sleeved | Sleeved | Sleeved |
| Certifications | 80 PLUS / CE / FCC / UL / RoHS | 80 PLUS / CE / FCC / UL / RoHS | 80 PLUS / CE / FCC / UL / RoHS | 80 PLUS / CE / FCC / UL / RoHS | UL |
| Depth | 6.3 inches | 5.51 inches | 9.8 inches | 6.3 inches | 7.0 inches |
| Efficiency Rating | 92% | 94% | 92% | 92% | 92% |
| EPS (CPU) 4+4 Pin | 1 | 1 | 1 | 2 | 1 |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Dual Ball |
| Fan Size | 120mm | 135mm | 120mm | 120mm | 135mm |
| Floppy Connector | No | No | No | No | No |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Height | 5.5 inches | 3.38 inches | 5.5 inches | 5.5 inches | 5.5 inches |
| Hot-Swap Capable | No | No | No | No | No |
| Input Voltage | 100–240V | 110–240V | 100–240V | 100–240V | 100–240V |
| Modularity | Modular | Modular | Semi-Modular | Semi-Modular | Semi-Modular |
| Molex Connectors | 4 | 4 | 2 | 4 | 4 |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 55°C | 55°C | 50°C | 50°C | 50°C |
| PCIe (6+2) Connectors | 2 | 2 | 2 | 3 | 2 |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Product Name | 720479-B21 High Performance ATX Power Supply | 784582-B21 High Performance Modular ATX Power Supply | 669777-B21 High Performance Semi-Modular ATX PSU | Elite Power 798102-B21 850W Gold Semi-Modular ATX Power Supply | J9443A High-Performance ATX Power Supply |
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Protections | OCP / OVP / UVP / SCP | OCP / OVP / SCP / OTP | OCP / OVP / SCP | OCP / OVP / SCP | OCP/OVP/UVP/OPP |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Single Rail | Single Rail |
| Remote Monitoring | No | No | No | No | No |
| RGB Lighting | No | No | No | No | No |
| SATA Power Connectors | 6 | 6 | 4 | 6 | 6 |
| Use Case | Gaming / Workstation / Enterprise Server | Gaming / Workstation | Gaming | Workstation | Gaming / Workstation |
| Wattage | 750W | 750W | 750W | 850W | 850W |
| Weight | 4.6 lbs | 6.6 lbs | 4.8 lbs | 5.9 lbs | 6.2 lbs |
| Width | 5.9 inches | 5.91 inches | 6.3 inches | 8.6 inches | 5.9 inches |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
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Questions & Answers
Q
What is the HP 150W PCIe Power Cable Kit (SKU: 669777-B21)?
A
The HP 150W PCIe Power Cable Kit (SKU: 669777-B21) is an OEM power cable assembly that delivers up to 150 watts to PCIe devices in compatible HP servers.
Q
Which HP server models support the 669777-B21 PCIe power cable?
A
The 669777-B21 cable is compatible with HP ProLiant DL360, DL380, DL560, and other Gen8/Gen9 servers with PCIe auxiliary power ports.
Q
What connectors are included in the 150W PCIe Power Cable Kit?
A
The kit features one 6-pin PCIe male connector and one proprietary HP server power port connector for direct installation in supported chassis.
Q
Can the HP 150W PCIe cable power high-end graphics cards?
A
Yes. With a 150W rating, the cable supports mid-range to high-end PCIe GPUs that require up to 6-pin auxiliary power.
Q
Is this cable an original HP part?
A
Yes. SKU 669777-B21 is a genuine HP replacement part, engineered and tested by HP for full compatibility and reliability.
Q
What is the length of the HP 150W PCIe power cable?
A
The cable measures approximately 30 centimeters in length, providing sufficient reach within standard rack server configurations.
Q
Can I use the 669777-B21 cable with non-HP servers?
A
No. The proprietary HP server connector is designed exclusively for HP chassis and may not fit third-party equipment.
Q
How do I install the HP 150W PCIe Power Cable Kit?
A
Power down the server, insert the proprietary end into the HP power port, route the cable to the PCIe slot, and connect the 6-pin GPU plug.
Q
Does the cable support multiple GPUs on a single port?
A
No. The kit supplies up to 150W through a single 6-pin PCIe output, designed for one device per cable.
Q
What voltage and current ratings does the 669777-B21 cable support?
A
The cable supports 12V DC at up to 12.5 amps, delivering a maximum of 150 watts to connected PCIe devices.
Q
Is any additional adapter required for installation?
A
No additional adapters are required. The HP 150W PCIe cable ships as a complete kit ready for direct server installation.
Q
What warranty covers the HP 150W PCIe Power Cable Kit?
A
HP provides a limited one-year warranty covering defects in materials and workmanship for SKU 669777-B21.
Q
Where can I purchase the HP 669777-B21 power cable?
A
You can purchase the cable directly from HP’s Parts Store, authorized resellers, or through certified HP service partners.
Q
How do I verify compatibility before ordering?
A
Check your server’s QuickSpecs or maintenance guide for auxiliary power port requirements and confirm compatibility with SKU 669777-B21.
Q
Can the cable be used in hot-swap configurations?
A
No. The PCIe power connection must be made with the server powered off to avoid electrical damage.
Q
What troubleshooting steps exist if the GPU is not receiving power?
A
Verify the cable is fully seated at both ends, inspect for bent pins, ensure the server power supply is sufficient, and reboot after reseating.
