# RAID controller battery module HP Enterprise P440 4GB FBWC 12G SAS 1P PCIe

**URL:** https://aio.lv/en/product--hp-enterprise-749797-001-rfb--3450214
**Data updated:** 2026-01-12 19:30 (EET)
**Category:** Other Repair Parts
**Manufacturer:** HP Enterprise
**Manufacturer code:** 749797-001-RFB
**EAN:** 5706998859990
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 52.99 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 43.79 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-enterprise-749797-001-rfb--3450214

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Battery-backed write cache (FBWC) module for HP Enterprise P440 RAID controller with 4GB cache capacity. Designed for use with 12G SAS storage and 1-port PCIe RAID controllers, it preserves cached data during power loss to prevent data corruption. Suitable for servers requiring reliable write caching and improved write performance, ensuring data integrity and recovery after outages.

## Long description

RAID controller battery module HP Enterprise P440 4GB FBWC 12G SAS 1P PCIe (MPN 749797-001-RFB) is a battery-backed write cache (FBWC) replacement module designed for compatibility with HP Enterprise P440 RAID controllers supporting 12G SAS and a single PCIe port. The module provides 4GB of non-volatile cache to preserve in-flight write data during power interruptions, helping to prevent data loss and corruption and to enable safe recovery after outages. It is intended as a field-replaceable unit for servers that use the specified RAID controller family and require reliable write caching behavior.
Advantages
The HP Enterprise P440 4GB FBWC module maintains cached write data in the event of unexpected power loss, reducing the risk of file system corruption and incomplete transactions. With 4GB of cache capacity it supports sustained write performance improvements for workloads that rely on write caching. The module is designed to fit the form factor and electrical interface of the P440 controller, ensuring compatibility and straightforward installation when used with matching controller firmware and hardware.
Suitable for
Enterprise servers using HP Enterprise P440 RAID controllers with 12G SAS interfaces
Systems requiring reliable write-back caching to protect write transactions during power loss
Database, virtualization, and transactional workloads that benefit from improved write performance
Field replacement or upgrade of existing battery-backed cache modules in compatible servers
Key specifications
Manufacturer: HP Enterprise
Model / MPN: 749797-001-RFB
EAN: 5706998859990
Cache type: FBWC (Battery-backed write cache)
Cache capacity: 4GB
Interface compatibility: 12G SAS, 1-port PCIe RAID controller (P440 family)
How to use
Install the battery module according to the server and RAID controller maintenance instructions. Power down the server and follow the manufacturer’s replacement procedure for the P440 controller to seat the module securely in the appropriate socket. After installation, power up the system and verify that the controller firmware recognizes the FBWC module and that the cache status reports as healthy in the RAID management utility. Ensure controller firmware and management software are up to date before returning the system to production.
Usage recommendations
Use this FBWC module only with supported HP Enterprise P440 RAID controllers and compatible server platforms. Regularly monitor battery health and RAID controller logs, and follow HP Enterprise guidelines for battery replacement intervals and firmware updates to maintain data integrity and optimal cache performance.

## FAQ

### How much does the HP Enterprise P440 4GB FBWC RAID battery module cost, and is it available for purchase?

The price is 52.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 14.07.2026 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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