
Why buy from us?
HardwareJet is built for professionals who need dependable hardware without delays or guesswork. Our curated network of manufacturers ensures quality parts, fair pricing, and responsive service.
Ask a Question About This Product
- In Stock: 9
- Manufacturer: HP
- Model or Part: 657340-B21
- Condition: Refurbished
- Weight: 3.00lb
Get a Price Quote
This HP 657340-B21 is ready to ship from our partner network. Because market pricing on this part fluctuates, we want to ensure you get the lowest price possible. Enter your email address below and our team will get back to you with a custom quote.
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.
Item Condition
New - Sealed or Open Box ConditionExcellent - 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.
Overview
The HP 657340-B21 1200W AC Common Slot (CS) Platform Power Supply delivers reliable, high-density power for a wide range of HP enterprise servers and storage systems. Designed for the common slot architecture, this unit provides consistent 1200 watt output while maintaining a compact footprint that maximises rack space efficiency. Its robust construction and intelligent protection features help minimise downtime and protect critical components, making it an ideal choice for data centre, cloud and virtualization environments.
Key Features
- 1200 watt continuous power output for demanding workloads
- Common slot form factor for easy integration into compatible HP platforms
- High efficiency design reduces energy consumption and operating costs
- Built-in over-voltage, over-current and short circuit protection safeguards system reliability
- Hot-swap capability enables replacement without shutting down the host
- Quiet fan operation with dynamic speed control for optimal thermal management
Technical Specifications
- Input voltage: 100-240 VAC, 50/60 Hz
- Output voltage: 12 VDC (adjustable within standard tolerance)
- Maximum output current: 100 A
- Power factor: 0.95 or higher
- Efficiency: up to 94 percent at full load
- Operating temperature range: 0 to 40 deg C
- Storage temperature range: -20 to 70 deg C
- Dimensions (H x W x D): 4.45 in x 5.75 in x 1.38 in
- Weight: approximately 7.5 lbs
Applications
- HP ProLiant and BladeSystem servers that require a common slot power source
- High-performance computing clusters where power density is critical
- Virtualisation platforms running multiple VMs with variable load patterns
- Enterprise storage arrays that demand stable and continuous power
- Edge data centre deployments with limited space and cooling capacity