Name: X311 400W 240V AC Power Supply
Brand: HP
Price: 136.95 USD
Availability: InStock

HP J9581A X311 400W 240V AC Power Supply

The HP J9581A X311 400W 240V AC Power Supply delivers reliable, high-performance power to a wide range of Hewlett Packard workstations and servers. Designed for demanding environments, this unit provides clean, stable electricity that protects critic... Read More

price

$136.95

Ships next business day.

In Stock: 118
Manufacturer: HP
Model or Part: J9581A
Condition: Refurbished
Weight: 3.00lb

Qty

Add to Cart

Buy Now

Add to Wish List

Shipping Information

United States Shipping

Orders over $200 qualify for Free Super-Saver Shipping! We ship at our discretion via the most cost-effective method using FedEx, UPS, or USPS.

To ensure your order is processed efficiently, all shipping charges must be pre-paid at checkout. We are unable to bill directly to third-party shipper accounts or use customer-provided labels for domestic shipments.

International Shipping

International orders begin processing as soon as payment is confirmed.

Pre-paid Shipping: For your convenience, you can select and pay for international shipping directly at checkout.
Carrier Accounts: Alternatively, we can bill transport costs directly to your FedEx account number. (Note: We cannot bill to DHL, TNT, or UPS accounts).
Customer Labels: We are also happy to ship internationally using pre-paid labels provided by you for any carrier.

Expedited and Rush Shipping

Need it faster? HardwareJet.com offers 1 or 2-day expedited shipping options during checkout for eligible items.

To get your order to the front of the line, expedited orders include a small rush fee in addition to the carrier's shipping charges. If an item is not available for expedited shipping, these options will not appear in your cart.

Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

To bring you an even wider selection, some of our items are shipped directly from our trusted partners. Delivery times may vary for these items.

💬 Recently Purchased by Your Peers

Description

Overview

Key Features

400 watts continuous output suitable for high-end workstations and entry level servers
Input voltage range 240V AC ensures compatibility with standard European and Asian power grids
Built-in over-voltage, under-voltage and short circuit protection to safeguard connected equipment
Compact form factor fits easily into limited chassis spaces
Efficient fanless design reduces noise and maintenance requirements

Technical Specifications

Model / Part Number: J9581A
Manufacturer: HP
Output Power: 400W
Input Voltage: 240V AC
Frequency: 50-60 Hz
Connector Type: Standard 6-pin PCIe power connector
Operating Temperature Range: 0 degrees to 40 degrees Celsius
Storage Temperature Range: -20 degrees to 70 degrees Celsius
Dimensions (W x H x D): 150 mm x 86 mm x 30 mm
Weight: Approximately 1.2 kg

Typical Applications

HP Z series workstations used for CAD, video editing and scientific computing
Entry level HP ProLiant servers in small to medium business environments
High-performance desktop computers requiring stable 400W power delivery
Industrial PCs that operate under continuous load conditions
Any HP system where reliable AC power conversion is essential for optimal performance

This HP X311 power supply combines durability, efficiency and safety features to keep your critical systems running smoothly. Whether you are upgrading an existing workstation or building a new server platform, the J9581A provides the power foundation you need.