# Hewlett Packard Enterprise Flash Backed Write Cache 1GB - For Memory Expansion and Performance Improvement

**URL:** https://aio.lv/en/product--hp-enterprise-505908-001-rfb--562753
**Data updated:** 2026-01-12 19:28 (EET)
**Category:** Server Parts & Components
**Manufacturer:** HP Enterprise
**Manufacturer code:** 505908-001-RFB
**EAN:** 5712505514788
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 27.99 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 23.13 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-enterprise-505908-001-rfb--562753

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Hewlett Packard Enterprise Flash Backed Write Cache 1GB is a high-performance memory solution designed to securely store data and ensure fast access. Model HPE Smart Array P840, perfect for servers requiring high data throughput and swift processing. This memory card significantly enhances IO performance, reduces server downtime, and accelerates data saving.

## Long description

Hewlett Packard Enterprise Flash Backed Write Cache 1GB (MPN: 505908-001-RFB, EAN: 5712505514788) is a server memory module designed to improve write performance and protect data integrity. Compatible with HPE Smart Array controllers such as the HPE Smart Array P840, this 1GB flash-backed cache provides non-volatile protection for pending writes, combining DRAM speed with flash persistence to reduce data loss risk during power events and to increase overall IO throughput.
Advantages
The Flash Backed Write Cache 1GB accelerates write-intensive workloads by buffering writes in fast DRAM while simultaneously storing a copy in non-volatile flash, ensuring that data is preserved if power is lost. The module reduces latency and improves sustained write performance on compatible HPE Smart Array controllers. It also contributes to reduced server downtime and faster completion of transactional and storage-heavy operations. The compact design and direct compatibility with HPE Smart Array P840 simplify installation and minimize configuration changes.
Suitable for
Enterprise servers running HPE Smart Array P840 and similar controllers
Write-intensive applications such as databases and virtual machine hosts
Environments requiring improved IO throughput and reduced write latency
Systems where data integrity during power loss is critical
Key specifications
Manufacturer: HP Enterprise
Model / MPN: 505908-001-RFB
EAN: 5712505514788
Capacity: 1GB flash-backed write cache
Compatible controller: HPE Smart Array series (including P840)
Primary function: Non-volatile write cache to improve IO performance and protect pending writes
How to use
Install the Flash Backed Write Cache 1GB into the designated cache slot on a compatible HPE Smart Array controller following HPE service manual instructions. After physical installation, verify firmware compatibility and enable the write cache in the controller management utility or server BIOS/firmware settings as required. Monitor controller logs and storage management software to confirm the cache is active and performing as expected. Follow standard maintenance procedures for firmware updates provided by HP Enterprise.
Usage recommendations
Use the module with supported HPE Smart Array controllers such as the P840 and ensure controller firmware is up to date before enabling the cache. For write-intensive workloads, combine the Flash Backed Write Cache with appropriate RAID levels and regular backups to balance performance and data protection. Consult HPE documentation for detailed compatibility matrices and installation steps.

## FAQ

### How much does the HPE Flash Backed Write Cache 1GB - For Enhanced Performance cost, and is it available for purchase?

The price is 27.99 € (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 15.07.2026 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

https://aio.lv/img/cache/product/562753/51442822_large.webp