# Server memory HP 16 GB DDR4 2400 MHz CL17 (MPN 862976-B21)

**URL:** https://aio.lv/en/product--hp-862976-b21--12082107
**Data updated:** 2026-03-12 22:01 (EET)
**Category:** Memory (RAM)
**Manufacturer:** HP
**Manufacturer code:** 862976-B21
**EAN:** 0190017066264
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

HP server memory module, 16 GB DDR4 operating at 2400 MHz with CAS latency CL17. Designed for compatibility with HP servers supporting DDR4 DIMMs, this module provides system memory expansion for virtualization, database workloads and general server tasks. It is a single-rank registered/unbuffered detail should be verified against server specifications before purchase.

## Long description

HP server memory module, 16 GB DDR4 operating at 2400 MHz with CAS latency CL17. This DIMM is intended for use in HP servers that support DDR4 memory and offers a single 16 GB capacity option to expand system memory for virtualization, database workloads and general server tasks. The module is described as single-rank and intended for registered/unbuffered configurations as specified by the server; compatibility with a specific server model should be verified before purchase.
Advantages
This 16 GB DDR4 2400 MHz module provides standard industry performance at 2400 MT/s with CL17 latency, delivering a balance between throughput and response time for typical server workloads. As an HP-branded memory module, it is designed and tested for compatibility with HP server platforms that support DDR4 DIMMs. The module operates at 1.2 V and supports ECC functionality where supported by the server, contributing to data integrity in systems that use error-correcting memory.
Suitable for
Expanding memory capacity in HP servers that support DDR4 2400 MHz DIMMs
Virtualization hosts handling multiple virtual machines
Database servers and transactional workloads requiring increased RAM
General-purpose server tasks in small and medium business environments
Key specifications
Memory type: DDR4
Capacity: 16 GB
Speed: 2400 MHz (2400 MT/s)
CAS latency: CL17
Operating voltage: 1.2 V
Error handling: ECC (requires server support)
Form factor: 288-pin DIMM
How to use
Power down the server and follow the manufacturer’s service manual for safe handling and installation of memory modules. Install the DIMM into an appropriate 288-pin DDR4 DIMM slot that supports 2400 MHz operation, observing correct orientation and slot population rules for the server model. After installation, power on the server and verify that the BIOS/firmware detects the new module and that total system memory is reported correctly. Confirm ECC operation and supported speed in the server firmware settings if applicable.
Usage recommendations
Verify server compatibility and supported memory population rules before purchase. For optimal performance and stability, use matched modules in appropriate slot configurations as recommended by HP for your server model and ensure firmware is up to date.

## Specifications

### Features

| Feature | Value |
|---|---|
| Internal memory | 16 GB |
| Internal memory type | DDR4 |
| Memory clock speed | 2400 MHz |
| Memory form factor | 288-pin DIMM |
| Memory voltage | 1.2 |
| ECC | Yes |
| CAS latency | 17 |
| Memory channels | Dual-channel |
| Component for | PC/Server |
| Memory layout (modules x size) | 1 x 16 |
| Compatible products | ProLiant Gen9 |
| Buffered memory type | Unregistered (unbuffered) |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 31 mm |
| Width | 133.35 mm |

### Logistics data

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

## FAQ

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### 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

### 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, 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.

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