# Hewlett Packard Enterprise SN3000B Optional Power Supply

**URL:** https://aio.lv/en/product--hp-enterprise-qw939a-rfb--5288669
**Data updated:** 2026-01-12 19:31 (EET)
**Category:** PDU
**Manufacturer:** HP Enterprise
**Manufacturer code:** QW939A-RFB
**EAN:** 5711783250777
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 184.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 152.47 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-enterprise-qw939a-rfb--5288669

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

The Hewlett Packard Enterprise SN3000B Optional Power Supply is a reliable and efficient power source for HPE SN3000B switches. Operating at 100-240V with a power output of 750W, it ensures excellent performance for data center demands. Ideal for providing continuous power and enhancing system availability.

## Long description

The Hewlett Packard Enterprise SN3000B Optional Power Supply (MPN QW939A-RFB, EAN 5711783250777) is a dedicated replacement or spare power module designed for HPE SN3000B switches. Rated for 100–240 V input and delivering 750 W output power, this unit provides stable electrical supply to support switch operation in rack and data center environments. The module is intended to maintain uptime and provide redundant power capability when installed alongside a primary power supply.
Advantages
This optional power supply offers a compact form factor compatible with the HPE SN3000B switch chassis and meets the electrical specifications required for reliable network operation. With universal AC input range (100–240 V) and 750 W output capacity, it supports continuous operation and helps maintain system availability. The unit is produced by HP Enterprise and corresponds to the stated MPN and EAN for accurate parts management and replacement.
Suitable for
Replacement or spare power supply for HPE SN3000B network switches
Adding redundant power to improve switch availability in racks
Data center and server room deployments requiring 750 W switch power
Service and maintenance operations where OEM-compatible parts are required
Key specifications
Manufacturer: HP Enterprise
Model: SN3000B Optional Power Supply
MPN: QW939A-RFB
EAN: 5711783250777
Input voltage: 100–240 V AC
Output power: 750 W
Category: PDU / power supply for HPE switches
How to use
Power module installation should follow HPE SN3000B switch service instructions. Before installation, power down the switch or follow hot-swap procedures if supported by your chassis and site policies. Insert the power supply into the designated bay until it seats and locks, then connect the appropriate AC power cord to a conditioned and properly grounded power source. Verify the switch recognizes the module via its management interface or front-panel indicators and confirm the supply is operating within normal parameters.
Usage recommendations
Use this OEM power supply as part of a planned maintenance or redundancy strategy. Ensure the unit is stored and operated within the manufacturer’s temperature and humidity ranges and connect to a stable, surge-protected power source. For critical environments, deploy redundant modules and monitor power status through the switch management system to avoid unexpected downtime.

## FAQ

### How much does the HPE SN3000B Optional Power Supply cost, and is it available for purchase?

The price is 184.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 10.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All HP Enterprise products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized HP Enterprise service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

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