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header-product Memory Module HPE DDR4 16GB 2666MHz ECC

Memory Module HPE DDR4 16GB 2666MHz ECC

Memory Module HPE 16GB 835955-H21 Photo 1
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Short description

The HPE 835955-H21 memory module offers 16 GB of DDR4 ECC RAM with a speed of 2666 MHz. Designed for PC and server use, this 288-pin DIMM module features a CAS latency of 19, ensuring reliable performance and data integrity. Ideal for enhancing system memory capacity and stability in demanding environments.
Warranty: 2 Years
SKU: 11203866
Manufacturer: HP Enterprise
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Product information

Description

HPE DDR4 SmartMemory 16GB 2666MHz ECC (MPN 835955-H21, EAN 5715063683439) is a 288-pin DDR4 DIMM module that provides 16 GB of ECC-protected memory running at 2666 MHz with a CAS latency of 19 and 1.2 V operating voltage. It is engineered for use in HPE ProLiant Gen9/Gen10/Gen10 Plus servers, Apollo, Synergy and Blade systems as well as compatible PCs and servers, delivering capacity and reliability for virtualization, cloud and large-database workloads.

Advantages

The module offers error-correcting code (ECC) for improved data integrity, qualification and testing for full compatibility with HPE server platforms, and optimized operation at 2666 MHz for balanced performance and power efficiency. Its 288-pin DIMM form factor and standard 1.2 V voltage ensure broad platform support and predictable thermal and electrical behaviour in server environments.

Suitable for

  • HPE ProLiant Gen9, Gen10 and Gen10 Plus servers
  • Apollo family servers, Synergy systems and Blade systems
  • Server upgrades for virtualization, cloud services and database servers
  • Workstation and PC systems compatible with 288-pin DDR4 ECC DIMMs

Key specifications

  • Capacity: 16 GB
  • Memory type: DDR4 ECC
  • Clock speed: 2666 MHz
  • Form factor: 288-pin DIMM
  • CAS latency: 19
  • Voltage: 1.2 V
  • Manufacturer part number (MPN): 835955-H21
  • EAN: 5715063683439

How to use

Power off the server or PC and follow the manufacturer’s service manual for safe memory installation. Match the DIMM type, speed and ECC support with the system requirements and populate memory channels according to the platform’s recommended order. After installation, verify the system recognizes the full 16 GB and run any vendor diagnostics or boot-time memory tests to confirm correct operation.

Usage recommendations

Use HPE-qualified DDR4 SmartMemory modules in supported HPE servers to ensure access to platform-specific performance features and to maintain warranty and support. For best results in multi-module configurations, install identical modules (same capacity, speed and part number) and consult HPE documentation for supported configurations and maximum supported memory per system.

Specifications

Internal memory:
16 GB
Internal memory type:
DDR4
Memory clock speed:
2666 MHz
Memory form factor:
288-pin DIMM
Memory voltage:
1.2
All features

Features

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
Compatible products:
HPE Apollo 35/40/70 Systems HPE Apollo 2000/6000 Servers HPE XL170r/XL190r/XL270d (Apollo6500) Gen10 Server for BlueData Software HPE Converged System 300/500/700/750 HPE Edgeline Systems and Servers HPE Integrity BL860c i6/BL870c i6/BL890c i6 Server Blades HPE Integrity MC990 X Server HPE Integrity rx2800 i6 Server HPE Integrity Superdome HPE ProLiant DX170r/DX190r, DX2000 Servers HPE SGI 8600 System HPE Solutions for SAP HANA (TDI) HPE Apollo Systems for BlueData Software
Buffered memory type:
Registered (buffered)

Logistics data

Harmonized System (HS) code:
84733020

Description

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Customer questions

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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

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.

Where can I download the instructions for Memory Module HPE 16GB 835955-H21?

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.
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