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Titanium efficiency PSU reduced power waste.
865438-B21
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800W FS TI HT PLG LH PWR SPLY KIT PL SI
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Name:
865438-B21
- Description:
- 800W FS TI HT PLG LH PWR SPLY KIT PL SI
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$625.00
- Price:
$240.0061.6% off
Quantity:
1
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865438-B21 Overview
865438-B21 is a high-performance power supply unit delivering 750W of power through a fully modular design in an ATX form factor. It meets Gold 80 PLUS certification standards, operates on a wide 100–240V input voltage, and employs active PFC for improved power efficiency.
Engineered with a 120mm fan featuring a fluid dynamic bearing, it comes equipped with comprehensive protections including OCP, OVP, UVP, SCP, and OTP. The unit provides essential connectors – one ATX 24-Pin, one EPS (CPU) 4+4 Pin, two PCIe (6+2) for GPU, six SATA power connectors, and three Molex connectors – all combined with sleeved cables for enhanced build quality, low noise levels, and versatility for gaming, workstation, and enterprise server applications.
865438-B21 price is $240.00, a 61.6% saving from the Hpe list price of $625.00. 865438-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 865438-B21 for additional pricing. Browse the full Hpe Power Supplies series or explore all Hpe products.
865438-B21 Specifications
- Product Type
- Power Supply
- Wattage
- 750W
- Use Case
- Enterprise Server / Workstation / Gaming
- Form Factor
- ATX
- Modularity
- Modular
- 80 PLUS Certification
- Gold
- Rail Configuration
- Single Rail
- Certifications
- 80 PLUS / CE / FCC
- 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
- 94%
- Protections
- OCP / OVP / UVP / SCP / OTP
- ATX 24-Pin Connectors
- 1
- EPS (CPU) 4+4 Pin
- 1
- PCIe (6+2) Connectors
- 2
- SATA Power Connectors
- 6
- Molex Connectors
- 3
- Floppy Connector
- No
- Cable Type
- Sleeved
- RGB Lighting
- No
- MTBF (Mean Time Between Failures)
- 150,000 hours
- Operating Temperature
- 50°C
- Product Name
- 865438-B21 High Performance ATX Power Supply
- Height
- 5.0 inches
- Width
- 6.3 inches
- Depth
- 5.9 inches
- Weight
- 8.5 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 865438-B21 |  867876-B21 |  JC087A |  656363-B21 |  753618-B21 | |
|---|---|---|---|---|---|
| Product Type | Power Supply | Power Supply | Power Supply | Power Supply | Power Supply |
| Wattage | 750W | 1500W | 850W | 650W | 750W |
| Use Case | Enterprise Server / Workstation / Gaming | Gaming | Gaming / Workstation / Enterprise Server | Gaming / Workstation / Server | Gaming / Workstation / Server |
| Form Factor | ATX | ATX | ATX | ATX | ATX |
| Modularity | Modular | Modular | Modular | Modular | Modular |
| 80 PLUS Certification | Gold | Gold | Platinum | Gold | Gold |
| Rail Configuration | Single Rail | Single Rail | Single Rail | Single Rail | Single Rail |
| Certifications | 80 PLUS / CE / FCC | 80 PLUS / CE / FCC / UL / ROHS | 80 PLUS / CE / FCC / UL / ROHS | UL | 80 PLUS |
| Remote Monitoring | No | No | No | N/A | N/A |
| Input Voltage | 100–240V | 100–240V | 100–240V | 100–240V | 100–240V |
| Hot-Swap Capable | No | No | No | No | No |
| PFC (Power Factor Correction) | Active PFC | Active PFC | Active PFC | Active PFC | Active PFC |
| Fan Size | 120mm | 140mm | 135mm | 120mm | 120mm |
| Fan Bearing Type | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic | Fluid Dynamic |
| Zero RPM Mode | Yes | Yes | Yes | Yes | Yes |
| Efficiency Rating | 94% | 92% | 94% | 94% | 92% |
| Protections | OCP / OVP / UVP / SCP / OTP | OCP / OVP / UVP / SCP / OTP | OCP / OVP / SCP / OTP | OCP/OVP/SCP/OTP | OCP / OVP / SCP |
| ATX 24-Pin Connectors | 1 | 1 | 1 | 1 | 1 |
| EPS (CPU) 4+4 Pin | 1 | 2 | 1 | 1 | 1 |
| PCIe (6+2) Connectors | 2 | 4 | 2 | 2 | 2 |
| SATA Power Connectors | 6 | 8 | 6 | 6 | 6 |
| Molex Connectors | 3 | 4 | 4 | 4 | N/A |
| Floppy Connector | No | No | No | No | No |
| Cable Type | Sleeved | Sleeved | Sleeved | Sleeved | Sleeved |
| RGB Lighting | No | No | No | No | No |
| MTBF (Mean Time Between Failures) | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours | 150,000 hours |
| Operating Temperature | 50°C | 50°C | 50°C | 50°C | 50°C |
| Product Name | 865438-B21 High Performance ATX Power Supply | 867876-B21 Ultra Performance Power Supply | JC087A High-Efficiency Platinum Modular ATX Power Supply | 656363-B21 High Efficiency Modular Power Supply | 753618-B21 |
| Height | 5.0 inches | 5.5 inches | 5.5 inches | 5 inches | 5.5 inches |
| Width | 6.3 inches | 6.3 inches | 8.6 inches | 6 inches | 6.3 inches |
| Depth | 5.9 inches | 11 inches | 6.3 inches | 4 inches | 5.4 inches |
| Weight | 8.5 lbs | 4.8 lbs | 3.2 lbs | 4 lbs | 4 lbs |
Reviews & Ratings
S
Shahzad Akram
5
Quiet operation and steady output.
B
Brian Young
5
OEM power supply installed easily.
O
Owais Khan
5
Excellent efficiency for data centers.
F
Filip Novak
5
Very dependable.
Questions & Answers
What does the SKU 865438-B21 power supply kit include?
The kit includes an 800W fully modular power supply with 80 PLUS Titanium efficiency, hot-plug capability, left-hand power connection, mounting hardware and power cables.
Is the 800W FS TI HT PLG LH power supply kit compatible with my server?
This power supply kit is compatible with HPE ProLiant ML, DL and BL series Gen8 and later servers; please verify your model in the HPE server compatibility matrix.
What efficiency rating does this power supply offer?
It holds an 80 PLUS Titanium certification, delivering up to 96% efficiency under typical loads to reduce energy costs and heat.
Can I hot-swap the 865438-B21 power supply?
Yes. The hot-plug design enables safe removal and replacement without shutting down the server, ensuring continuous uptime.
How do I install the 800W FS TI HT PLG LH power supply?
Slide the fully modular unit into the designated PSU bay, secure it with provided screws, connect cables to the motherboard and devices, then power on.
What are the dimensions of the 865438-B21 power supply kit?
The unit measures 86 mm (H) x 150 mm (W) x 200 mm (D), fitting standard 1U/2U server chassis with adequate bay clearance.
What is the operating noise level of this power supply?
Under typical rack loads, it operates at 32 dBA, meeting standard data-center noise requirements.
Does the 800W power supply support redundancy configurations?
Yes. You can deploy multiple units in parallel for N+1 or 2N redundancy, ensuring fault tolerance in critical environments.
What ambient temperature range does this power supply support?
It operates reliably from 0 °C to 50 °C ambient temperatures, with components rated up to 60 °C for high-heat environments.
Which safety and regulatory certifications does this product have?
The kit is certified to UL 62368-1, CE, FCC, CB and RoHS, ensuring global electrical safety and environmental compliance.
How does the left-hand power connector design improve cable management?
The LH connector directs cables away from airflow paths, optimizing rack airflow and simplifying cable routing.
What warranty and support options are available for SKU 865438-B21?
HPE provides a three-year limited warranty, global 24/7 phone support, and optional extended coverage plans.
Does this power supply protect against voltage spikes?
Yes. It features built-in surge protection and active power factor correction to guard against input voltage fluctuations.
Can I use the 800W FS TI HT PLG LH with an HPE RPS backplane?
Yes. It integrates seamlessly with HPE Redundant Power System backplanes for enhanced availability.
How can I monitor the performance of this power supply?
Use HPE iLO or Onboard Administrator to view real-time input/output voltages, load percentages and temperature metrics.
What maintenance is required for the 865438-B21 power supply kit?
Perform regular dust cleaning, firmware updates and periodic load tests to maintain optimal performance and longevity.