# HP Inc. Smart Array 2GB FBWC Gen8 - 2GB DDR3/FSB

**URL:** https://aio.lv/en/product--hp-631681-b21-rfb--263413
**Data updated:** 2026-01-12 19:28 (EET)
**Category:** Server Parts & Components
**Manufacturer:** HP
**Manufacturer code:** 631681-B21-RFB
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 49.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 41.31 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-631681-b21-rfb--263413

## 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

HP Inc. Smart Array 2GB FBWC Gen8 is a high-performance memory expansion for servers. It provides 2GB of memory, significantly enhancing data processing capabilities. With support for up to 32 drives and fast data handling, this solution is ideal for your server infrastructure. Durable and reliable design ensures high availability.

## Long description

HP Inc. Smart Array 2GB FBWC Gen8 - 2GB DDR3/FSB (MPN 631681-B21-RFB) is a server memory module designed to expand cache capacity for HP Smart Array controllers in Gen8-series servers. This 2GB FBWC (Flash-Backed Write Cache) DDR3 module increases temporary storage for write operations, improving throughput and data consistency when the controller coordinates disk or SSD arrays. The module is compatible with systems that support HP Smart Array Gen8 architecture and is intended for use in server environments where improved write performance and protection against data loss during power events are required.
Advantages
The HP Smart Array 2GB FBWC Gen8 provides a compact, reliable way to add non-volatile cache capacity, helping to reduce write latency and smooth sustained I/O workloads. Its FBWC design stores cached writes to flash if power is lost, preserving data integrity until normal operation resumes. The 2GB capacity is suitable for mid-range arrays and supports controller features such as battery/flash-backed cache and RAID optimizations. The module follows HP compatibility and sizing guidelines for Gen8 controllers, offering a factory-grade, serviceable part with the indicated MPN 631681-B21-RFB.
Suitable for
Gen8 HP ProLiant servers with Smart Array controllers that accept FBWC modules
RAID configurations requiring additional non-volatile write cache
Database and virtualization workloads with moderate write-intensive operations
Environments needing improved write performance and protection against power interruptions
Key specifications
Brand: HP
Model: Smart Array 2GB FBWC Gen8
Capacity: 2GB (DDR3)
Type: Flash-Backed Write Cache (FBWC)
Compatible series: HP Smart Array Gen8 controllers
Manufacturer part number (MPN): 631681-B21-RFB
Use case: Server cache expansion for RAID controllers
How to use
Install the FBWC module according to the HP Smart Array controller installation procedure for Gen8 hardware. Power down the server or follow hot-swap instructions if your system supports safe insertion and removal; consult the server maintenance manual for exact steps. Insert the module into the controller’s designated cache connector and secure it per HP’s guidelines. After physical installation, verify that the controller firmware recognizes the new cache capacity and that the controller’s write-cache settings are configured to use FBWC. Run a controller diagnostic or check management software (such as HP Array Configuration Utility or iLO-integrated tools) to confirm successful installation and operation.
Usage recommendations
Use the HP Smart Array 2GB FBWC Gen8 module in systems with compatible Gen8 controllers and up-to-date firmware. Prioritize firmware updates and follow HP service documentation for battery/flash maintenance cycles. For production environments, test changes in a maintenance window and monitor controller logs after installation to ensure cache health and correct operation.

## FAQ

### How much does the HP Inc. Smart Array 2GB FBWC Gen8 - 2GB RAM cost, and is it available for purchase?

The price is 49.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 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 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/263413/51821046_large.webp