Detailed Specifications
HPE 879505-B21 - 8 GB DDR4-2666 ECC Unbuffered DIMM
Overview
The HPE 879505-B21 is an 8 GB DDR4-2666 MHz ECC unbuffered memory module built for entry to mid-tier server loads in the HPE ProLiant Gen10 family. It offers a single-rank x8 configuration useful for basic virtualization, web hosting or general-purpose compute where capacity rather than maximum throughput is the priority. It fits standard 288-pin DIMM slots, runs at 1.2 V and supports ECC error correction, helping maintain stability under moderate workloads. Ideal for small-to-medium business servers, remote/branch office use or as a baseline expansion module in a larger memory array.
Key Features
8 GB capacity in a single module allows cost-effective memory incremental upgrades and straightforward server handling.
DDR4-2666 (PC4-21300) speed ensures compatibility with Gen10 platforms' supported memory rails and hybrid workloads.
ECC (Error-Correcting Code) and unbuffered design×balances reliability with cost for standard server use rather than demanding mission-critical caching.
Single-rank x8 configuration reduces electrical load on the memory channel and maximises compatibility when mixing modules.
Technical Specifications
| Specification | Detail |
|---|
| Brand | HPE |
| Part Number | 879505-B21 |
| Product Type | Server Memory Module - DDR4 ECC UDIMM |
| Key Spec - Capacity | 8 GB |
| Key Spec - Memory Speed | 2666 MHz (PC4-21300) |
| Key Spec - Rank/Organization | Single Rank x8 |
| Management | Standard BIOS / UEFI memory detection & reporting |
| Power Requirements | 1.2 V operating voltage |
| Dimensions & Weight | 288-pin DIMM form-factor (typical size ~133 mm length) |
| Warranty | Limited lifetime or standard HPE memory warranty terms* |
