# Memory Module HPE 840759-091 64 GB DDR4 2666 MHz ECC

**URL:** https://aio.lv/en/product--hp-enterprise-840759-091-rfb--2086030
**Data updated:** 2026-01-19 07:35 (EET)
**Category:** Memory (RAM)
**Manufacturer:** HP Enterprise
**Manufacturer code:** 840759-091-RFB
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The HPE 840759-091 memory module offers 64 GB of DDR4 ECC memory with a clock speed of 2666 MHz. Designed for servers, it features a 288-pin DIMM form factor and ensures data integrity with ECC technology. This single 64 GB module enhances system performance and reliability, making it ideal for demanding applications.

## Long description

The HPE 840759-091 64 GB DDR4 2666 MHz ECC memory module is a server-grade DIMM engineered for systems requiring large capacity and error-correcting reliability. As a single 64 GB DDR4 module in a 288-pin DIMM form factor, it provides expanded memory space and supports ECC functionality to detect and correct single-bit errors, helping maintain data integrity in multi-user and mission-critical environments.
Advantages
This 64 GB DDR4 module combines high capacity with a 2666 MHz clock speed to deliver consistent memory throughput for server workloads. The ECC capability reduces the risk of data corruption by automatically correcting single-bit errors, increasing uptime and stability for virtualization, databases, and transactional applications. The 288-pin DIMM design ensures compatibility with standard DDR4 server sockets and simplifies installation as a single-module upgrade.
Suitable for
Enterprise servers running virtualization platforms
Database servers and transactional systems
High-memory compute tasks and in-memory caching
Workloads requiring increased reliability and data integrity
Key specifications
Capacity: 64 GB
Memory type: DDR4
Clock speed: 2666 MHz
Form factor: 288-pin DIMM
Error correction: ECC (single-bit error detection and correction)
How to use
Power down the server and follow manufacturer procedures for electrostatic discharge protection before installing the memory module. Locate an appropriate empty DIMM slot on the motherboard that supports DDR4 ECC modules and align the module with the slot notch. Firmly press both ends of the module into place until the retention clips engage. After installation, power on the server and verify that the system BIOS/UEFI recognizes the new 64 GB module and that ECC reporting is enabled if required by the platform.
Usage recommendations
For optimal results, install memory modules in matching pairs or according to the server vendor’s memory population guidelines to maintain memory channel balance and performance. Ensure firmware and BIOS are up to date to support 2666 MHz operation and ECC features. Use in environments that require high availability and data integrity; consult the server compatibility list for supported configurations.

## Specifications

### Features

| Feature | Value |
|---|---|
| Internal memory | 64 GB |
| Internal memory type | DDR4 |
| Memory clock speed | 2666 MHz |
| Memory form factor | 288-pin DIMM |
| ECC | Yes |
| Component for | Server |
| Memory layout (modules x size) | 1 x 64 |

## FAQ

### 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: internal memory, internal memory type, memory clock speed, memory form factor, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/2086030/64670458_large.webp