# Network adapter HP Enterprise Ethernet 10GB 2-Port 647581-B21-RFB

**URL:** https://aio.lv/en/product--hp-enterprise-647581-b21-rfb--263365
**Data updated:** 2026-01-12 19:28 (EET)
**Category:** Network Cards
**Manufacturer:** HP Enterprise
**Manufacturer code:** 647581-B21-RFB
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.49 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 11.15 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-enterprise-647581-b21-rfb--263365

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

2-port HP Enterprise Ethernet 10GB network adapter (model 647581-B21-RFB) provides dual 10 Gigabit Ethernet connectivity for servers and networked systems. Designed for high-throughput data transfer and low-latency workloads, it fits enterprise environments requiring increased bandwidth and reliable link aggregation. Suitable for virtualization, storage access, and server uplinks; supports standard 10GbE deployment.

## Long description

HP Enterprise Ethernet 10GB 2-Port 647581-B21-RFB is a 2-port 10 Gigabit Ethernet network adapter designed for server and data center environments. The adapter provides dual 10GbE ports for high-throughput data transfer and low-latency networking suitable for enterprise workloads. It is intended for systems requiring increased bandwidth, reliable link aggregation and standard 10GbE deployment for virtualization, storage access and server uplinks.
Advantages
This network adapter offers dual 10 Gigabit Ethernet connectivity in a single card, enabling higher aggregate bandwidth and redundant links. The card is built to meet enterprise deployment needs with low-latency operation and support for common 10GbE infrastructures. Its form factor and interface are appropriate for installation in compatible server systems, helping to consolidate network traffic and simplify uplink and storage connectivity.
Suitable for
 Server uplinks in data center and rack environments
 Virtualization hosts requiring high network throughput
 Storage networks and SAN/NAS connections that use 10GbE
 Link aggregation and redundant network paths
Key specifications
 Brand: HP Enterprise
 Model / MPN: 647581-B21-RFB
 Ports: 2 × 10 Gigabit Ethernet
 Category: Network Cards
How to use
Install the adapter into a compatible server PCIe slot following the server manufacturer's service manual and standard electrostatic discharge precautions. Connect each 10GbE port to the network using appropriate cabling and transceivers or directly attach to supported switches. Configure network settings and link aggregation as required in the server operating system and network management tools to enable desired throughput, failover and VLAN segmentation. Verify driver and firmware compatibility with the server platform and apply vendor-provided updates if needed.
Usage recommendations
Use certified 10GbE cables and transceivers compatible with HP Enterprise servers and switches. Ensure drivers and firmware are kept up to date and follow server vendor guidelines for installation and thermal management to maintain stable high-throughput performance.

## FAQ

### How much does the HP Enterprise Ethernet 10GB 2-Port 647581-B21-RFB cost, and is it available for purchase?

The price is 13.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 09.07.2026 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

## Image

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