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  3. HPE P54290-B21

HPE P54290-B21 Proliant Flex Slot Titanium Plug P59321-001 900W-1000W DPS-1000AB-19

Dps-1000ab-19 Hpe P54290-b21 P59321-001 Proliant 900w-1000w Flex Slot Titanium Hot Plug A

( Brand: Hpe ), ( Manufacturer Part Number: P54290-B21 ), ( Part Type: Plug ), ( Compatible Brand: For Hp ), ( Unit Type: Unit ), ( Maximum Output Power: 1000 W ), ( Product Line: Proliant Dl )

Review HPE Proliant 900w-1000w Flex Slot Titanium Hot Plug

The **HPE ProLiant P54290-B21 (P59321-001) 900W 1000W Flex Slot Titanium Plug Power Supply (DPS-1000AB-19)** is a high-performance, ultra-efficient power supply unit meticulously engineered to deliver reliable, scalable power for HPE ProLiant Gen10 and Gen11 server platforms. Designed with enterprise-grade durability and advanced thermal management, this **900W 1000W variable output power supply** ensures optimal performance across a wide range of workloads, from standard business applications to demanding compute-intensive environments. Its **Flex Slot** architecture allows for seamless integration into servers equipped with either a single or dual power supply configuration, providing unmatched flexibility for IT administrators managing diverse server deployments. The **Titanium Plug** design enhances compatibility with modern power distribution systems, reducing the risk of electrical interference while maintaining high efficiency typically exceeding **94% at full load**, which translates to significant energy savings and reduced operational costs over time.

Built to meet the rigorous demands of data center environments, this power supply incorporates **HPE s Dynamic Power Supply (DPS) technology**, ensuring consistent voltage regulation and protection against transient surges, voltage sags, and other electrical anomalies. The **DPS-1000AB-19** model is certified for **80 PLUS Titanium** standards, guaranteeing exceptional energy efficiency while minimizing heat generation an essential feature for maintaining optimal server cooling and extending hardware lifespan. Its **active PFC (Power Factor Correction)** capability further optimizes power consumption, reducing harmonic distortion and improving overall system efficiency. The unit s robust construction, featuring high-quality capacitors and reinforced internal components, ensures long-term reliability, even under sustained high-load conditions.

Ideal for mission-critical applications, this power supply supports **Hot Plug** functionality, allowing for maintenance or replacement without disrupting server operations a critical feature for minimizing downtime in high-availability environments. The **dual-redundant** design (when paired with a second unit) provides failover protection, ensuring continuous operation even in the event of a single power supply failure. Additionally, its **low-noise operation** and compact form factor make it well-suited for dense server racks, where space and thermal management are key considerations. Whether deployed in a traditional data center, edge computing setup, or high-performance computing cluster, the **HPE ProLiant P59321-001 1000W Flex Slot Titanium Plug Power Supply** delivers a perfect balance of power, efficiency, and reliability, reinforcing HPE s commitment to delivering enterprise-grade infrastructure solutions.

### **Pros and Cons of buying a HP ProLiant P54290-B21 (900W-1000W Flex Slot Titanium Plug) Power Supply (DPS-1000AB-19)**

#### **Pros:**

1. **High Power Output (900W-1000W)** Suitable for high-end servers, workstations, or systems with multiple GPUs, high-end CPUs, or heavy workloads (e.g., virtualization, AI/ML, or data processing).

2. **Hot-Plug Capability** Allows for replacement or removal of the power supply without shutting down the system, minimizing downtime.

3. **Titanium Plug Design** The titanium plug is a high-quality, durable connector that reduces resistance and improves efficiency, reducing heat buildup.

4. **Flex Slot Compatibility** Works with HP ProLiant servers that support flex slot power supplies, offering flexibility in power configuration.

5. **Reliability & Redundancy Support** If used in a redundant setup (e.g., dual power supplies), it enhances system uptime by preventing complete failure if one unit fails.

6. **Efficiency & Cooling** Designed for efficient power delivery with adequate cooling, reducing energy waste and operational costs.

7. **Compatibility with HP Servers** Specifically engineered for HP ProLiant systems, ensuring proper integration with server management tools and firmware.

8. **Long Lifespan** HP s enterprise-grade components typically offer extended durability compared to consumer-grade power supplies.

#### **Cons:**

1. **High Cost** Enterprise-grade power supplies like this are significantly more expensive than consumer alternatives, which may not be cost-effective for budget-conscious users.

2. **Overkill for Low-End Systems** If the system does not require 900W-1000W, the extra power capacity is wasted, leading to inefficiency and higher electricity costs.

3. **Limited Availability** As an older or niche model, finding replacements or compatible parts may be difficult compared to more common power supplies.

4. **Bulkiness & Space Requirements** High-wattage power supplies take up more physical space in the server chassis, which may be a constraint in compact setups.

5. **Potential for Obsolescence** HP may discontinue support or firmware updates for older models, leaving users without the latest security patches or optimizations.

6. **No Universal Compatibility** Unlike aftermarket power supplies, this is proprietary to HP ProLiant servers, meaning it won t work in non-HP systems.

7. **Warranty & Support Dependence** Reliance on HP s warranty and support channels may be less flexible than third-party vendors for repairs or replacements.

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### **Conclusion:**

The **HP ProLiant P54290-B21 (DPS-1000AB-19)** is a robust, high-performance power supply ideal for **enterprise servers, workstations under heavy load, or systems requiring redundancy and reliability**. Its strengths lie in its **durability, efficiency, and compatibility with HP s ecosystem**, making it a strong choice for data centers, virtualization environments, or mission-critical applications.

However, for **consumer-grade PCs, gaming rigs, or low-power systems**, this power supply is **overkill and unnecessarily expensive**. The lack of universal compatibility and potential for obsolescence further limit its appeal outside of HP ProLiant environments.

If you **absolutely need a high-wattage, enterprise-grade power supply for an HP ProLiant server**, this is a solid investment. Otherwise, consider **third-party high-efficiency PSUs** (e.g., Corsair, Seasonic, or EVGA) for non-HP systems or lower-wattage alternatives if the power demand is modest.

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### **Recommendation:** - **Buy if:**

- You are maintaining or upgrading an **HP ProLiant server** requiring 900W-1000W power.

- Your system involves **high-end GPUs, multiple processors, or heavy virtualization workloads**.

- You prioritize **reliability, redundancy, and long-term support** from HP.

- **Avoid if:**

- You are building a **consumer PC, gaming rig, or low-power workstation**.

- You need **universal compatibility** (non-HP systems).

- Budget constraints make a **cheaper, high-efficiency aftermarket PSU** a better alternative.

- The system does not justify the **high cost** of an enterprise-grade power supply.

For most non-enterprise users, a **high-quality 650W 850W aftermarket PSU** (e.g., Corsair RM850x, Seasonic PRIME TX-850) would offer better value without sacrificing performance. However, within the **HP ProLiant ecosystem**, this power supply remains a **premium, reliable choice**.

Details:

Looking for something else. Shipping: Shipping within the Contiguous US is FREE - FedEx Ground. Contact for expedited shipping. Part number P54290-B21 DPS-1000AB-19 A P54292-001 / P56423-101 P59321-001.

These units are tested and working. This listing is for HPE ProLiant 900W-1000W Flex Slot Titanium Hot Plug Reverse Air Flow AC Power Supply Kit. Condition used. Free Domestic shipping.

30 day warranty. Call for a quote, and we'll create custom listing you.

part #: p54290b21 price

  • $1000.00

specifications serverpowe:

  • brand: Hpe
  • mpn: P54290-b21
  • part type: Plug
  • compatible brand: For Hp
  • unit type: Unit
  • maximum output power: 1000 W
  • product line: Proliant Dl

payments serverpowe:

  • wallet: Apple-pay
  • credit card: Mastercard
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shipping serverpowe:

  • transit: 3-9 Days
  • carrier: FedEx
  • class: Standard
  • type: Calculated
  • cost: $0.00
  • service: FedEx Ground / FedEx Home Delivery

general serverpowe:

  • Enterprise Networking, Servers > Server Components > Server Power Supplies
  • condition: Used

offer serverpowe:

  • options: Ship-to-home
  • quantity: 1
  • best offers: True
  • started: June 1, 2026
  • sold: 0
  • availability: In Stock

returns serverpowe:

  • policy: No Returns

seller serverpowe:

  • rating: 100.0%
  • # reviews: 806
  • city: Farmingdale, New York
part type: plug, compatible brand: for hp, unit type: unit, maximum output power: 1000 w, product line: proliant dl,
category: computers > enterprise networking, servers > server components > server power supplies, sku: 10043276191481871,
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