# Memory Module HPE DDR4 16GB 2666MHz

**URL:** https://aio.lv/en/product--hp-enterprise-835955-b21promo--4388699
**Data updated:** 2025-12-29 17:18 (EET)
**Category:** Memory (RAM)
**Manufacturer:** HP Enterprise
**Manufacturer code:** 835955-B21//promo
**EAN:** 889894339263
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The HPE 835955-B21 memory module offers 16 GB of DDR4 RAM with a clock speed of 2666 MHz. Designed for PCs and servers, this 288-pin DIMM module features ECC for error correction, ensuring data integrity. With a CAS latency of 19, it provides reliable performance for demanding applications. Upgrade your system's memory capacity and speed with this high-quality module.

## Long description

The HPE DDR4 16GB 2666MHz memory module (MPN 835955-B21) is a 288-pin DIMM designed for HPE ProLiant Gen9 and Gen10 servers, Apollo Family, Synergy and Blade systems as well as compatible PCs and servers. It provides 16 GB of ECC DDR4 memory running at 2666 MHz with a 1.2 V operating voltage and CAS latency 19, offering enhanced data integrity and stable operation for workloads that require reliable, higher-capacity memory.
Advantages
This HPE SmartMemory module is qualified and tested for compatibility with HPE Gen9 and Gen10 platforms, enabling extended memory performance features specific to Hewlett Packard Enterprise servers. Built-in ECC supports error detection and correction to improve uptime and data reliability. The 288-pin DIMM form factor and standard 1.2 V operation offer straightforward installation and energy-efficient performance in supported systems.
Suitable for
 HPE ProLiant Gen9 and Gen10 servers
 Apollo Family, Synergy and Blade systems
 Server virtualization and cloud workloads
 Large database and enterprise applications requiring data integrity
 System memory upgrades in compatible 288-pin DIMM platforms
Key specifications
 Manufacturer: HP Enterprise
 Model / MPN: 835955-B21
 EAN: 889894339263
 Capacity: 16 GB
 Memory type: DDR4 ECC
 Clock speed: 2666 MHz
 CAS latency: 19
 Form factor: 288-pin DIMM
 Voltage: 1.2 V
 Weight: 0.045 kg
How to use
Power down the server or PC and disconnect it from the power source before installing the module. Open the system chassis according to the manufacturer’s instructions, locate the appropriate 288-pin DIMM slot(s), and align the module with the slot notch. Press firmly and evenly until the retention clips engage. After installation, close the chassis, reconnect power and boot the system. Verify that the firmware/BIOS recognizes the new memory and that ECC is enabled where applicable.
Usage recommendations
Install HPE SmartMemory modules in matched pairs or per the server vendor’s memory population guidelines to ensure optimal performance and enable platform-specific memory features. Use supported firmware and system configurations to maintain compatibility and reliability.

## Specifications

### Features

| Feature | Value |
|---|---|
| Internal memory | 16 GB |
| Internal memory type | DDR4 |
| Memory clock speed | 2666 MHz |
| Memory form factor | 288-pin DIMM |
| Memory voltage | 1.2 |
| ECC | Yes |
| CAS latency | 19 |
| Memory ranking | 2 |
| Component for | PC/Server |
| Memory layout (modules x size) | 1 x 16 |
| Buffered memory type | Registered (buffered) |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.045 kg |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84733020 |

## 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, weight, memory voltage, 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.

### Where can I download the instructions for Memory Module HPE 16GB 835955-B21?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

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