# HP 8GB (1x8GB) Single Rank DDR4 2400MHz RAM

**URL:** https://aio.lv/en/product--hp-enterprise-731761-b21-rfb--621393
**Data updated:** 2026-01-12 19:29 (EET)
**Category:** Memory (RAM)
**Manufacturer:** HP Enterprise
**Manufacturer code:** 731761-B21-RFB
**EAN:** 5711783346579
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.99 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 16.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-enterprise-731761-b21-rfb--621393

## 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

The HP 8GB (1x8GB) Single Rank DDR4 RAM operates at a frequency of 2400MHz, offering reliable performance for various computing systems. This single module of memory is designed for devices that support DDR4, enhancing overall system efficiency. It has 288 pins and supports dual-channel configuration, making it a solid choice for memory upgrades.

## Long description

The HP 8GB (1x8GB) Single Rank DDR4 2400MHz RAM (MPN 731761-B21-RFB, EAN 5711783346579) is a single memory module designed for systems that support DDR4 DIMMs. Operating at 2400MHz and built as a single-rank 8GB stick with a 288-pin interface, this HP Enterprise module supports dual-channel configurations when paired with a matching module. The module is intended to provide a straightforward memory upgrade to improve multitasking capacity and overall system responsiveness in compatible desktops and servers.
Advantages
This HP Enterprise DDR4 2400MHz module combines a standard 2400MHz operating frequency with an 8GB capacity in a single-rank design, offering predictable performance and compatibility with systems that accept 288-pin DDR4 modules. The single-module format simplifies installation and system expansion while supporting dual-channel operation when used alongside another compatible module. The use of a single, manufacturer-specified module with a clear MPN and EAN helps ensure part traceability and compatibility checks for enterprise and consumer upgrades.
Suitable for
 Upgrading desktop or compatible server systems that accept 288-pin DDR4 DIMMs
 Increasing available RAM for general multitasking, office applications, and light virtualization
 Replacing a failed or lower-capacity DIMM in dual-channel configurations
Key specifications
 Brand: HP Enterprise
 Model / MPN: 731761-B21-RFB
 EAN: 5711783346579
 Capacity: 8GB (1 x 8GB)
 Memory type: DDR4
 Frequency: 2400MHz
 Rank: Single Rank
 Pins: 288-pin DIMM
 Channel support: Dual-channel capable (when paired)
How to use
Power off the computer and disconnect it from mains power before installing the module. Open the system chassis according to the manufacturer’s instructions and locate the 288-pin DDR4 DIMM slots on the motherboard. Align the notch on the module with the slot key and insert the DIMM evenly until the retention clips engage. Reassemble the chassis, reconnect power, and boot the system. Check system BIOS/UEFI or operating system memory information to confirm the new module is recognized and configured at 2400MHz.
Usage recommendations
For optimal performance, install memory modules in matched pairs for dual-channel operation, and consult the system or motherboard vendor documentation for supported memory configurations and maximum capacity. Verify BIOS/UEFI settings and update firmware if necessary to ensure compatibility with HP Enterprise memory modules.

## FAQ

### How much does the HP RAM 8GB (731761-B21-RFB) cost, and is it available for purchase?

The price is 19.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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/621393/51095856_large.webp

