# Memory Module HPE 64GB DDR4-2666 288-pin DIMM

**URL:** https://aio.lv/en/product--hp-enterprise-815101-b21--3091767
**Data updated:** 2025-12-29 10:45 (EET)
**Category:** Memory (RAM)
**Manufacturer:** HP Enterprise
**Manufacturer code:** 815101-B21
**EAN:** 4514953886896
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 510.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 422.31 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-enterprise-815101-b21--3091767

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The HPE 64GB (1x64GB) Quad Rank x4 DDR4-2666 memory module is designed for PC/Server applications. It features a capacity of 64 GB, operates at a speed of 2666 MHz, and has a CAS latency of 19. This Load Reduced ECC memory ensures data integrity and reliability, making it ideal for demanding workloads. The 288-pin DIMM form factor allows for easy installation and compatibility with various systems.

## Long description

The HPE 64GB DDR4-2666 288-pin DIMM memory module is a 64 GB, quad rank x4 Load Reduced ECC DIMM designed for servers and high-performance PCs. Operating at 2666 MHz with CAS latency 19 and 1.2 V supply, this HPE SmartMemory module is built for reliable operation and compatibility with HPE ProLiant Gen9 and Gen10 servers, Apollo family, Synergy and Blade systems. It is qualified through Hewlett Packard Enterprise testing to enable extended memory features available on supported HPE platforms.
Advantages
This memory module offers high capacity and compatibility for server workloads, error-correcting Load Reduced ECC architecture for improved data integrity, and qualification with HPE Gen9/Gen10 platforms for optimized performance and reliability. The 288-pin DIMM form factor ensures straightforward installation in compatible systems.
Suitable for
Enterprise servers (HPE ProLiant Gen9 and Gen10)
High-density compute nodes (Apollo family, Blade systems)
Memory‑intensive applications and large databases
Virtualized environments and cloud infrastructure
Key specifications
Capacity: 64 GB (1×64 GB)
Type: DDR4, Load Reduced ECC (LRDIMM), Quad Rank x4
Speed: 2666 MHz
CAS Latency: 19
Form factor: 288‑pin DIMM
Voltage: 1.2 V
Manufacturer MPN: 815101-B21
EAN: 4514953886896
How to use
Power down the server or workstation and follow the system manufacturer’s safety procedures before installing memory. Open the memory compartment, align the 288‑pin DIMM with the slot keyed notch, and press firmly and evenly until the module seats and retention clips engage. After installation, power on the system and verify that the BIOS/UEFI recognizes the new module and that the system reports expected memory capacity and ECC status.
Usage recommendations
Install memory modules in matched pairs or according to the server’s memory population guidelines to achieve optimal performance and enable supported extended memory features on HPE ProLiant Gen9 and Gen10 systems. Use only HPE-qualified memory to maintain compatibility and support.

## Specifications

### Features

| Feature | Value |
|---|---|
| Internal memory | 64 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 | 4 |
| Component for | PC/Server |
| Memory layout (modules x size) | 1 x 64 |
| Buffered memory type | Load reduced |

### Logistics data

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

## FAQ

### How much does the Memory Module HPE 64GB 815101-B21 cost, and is it available for purchase?

The price is 510.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 22 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 23.07.2026 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

### 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.

## Image

https://aio.lv/img/cache/product/3091767/57764855_large.webp