128GB DDR4-2933 LRDIMM ECC Memory Module
This 128GB DDR4-2933MHz load-reduced ECC LRDIMM is engineered for enterprise servers requiring maximum memory density and reliability. Built as a HP P19047-B21 compatible replacement, this quad rank x4 module delivers high-capacity memory solutions for data centers, virtualization environments, and mission-critical applications. The load-reduced design enables higher memory speeds and capacities in demanding server architectures, while ECC protection ensures data integrity across your infrastructure.
Key Features
-
128GB Capacity — High-density memory for enterprise server consolidation
-
DDR4-2933MHz Speed — Optimized performance for modern server platforms
-
Load-Reduced ECC Design — Reduces electrical load while maintaining full error correction
-
Quad Rank x4 Configuration — Maximizes memory density per slot
-
1.2V Operating Voltage — Energy-efficient operation with reduced power consumption
-
288-pin DIMM — Standard enterprise server form factor
-
CL21 Latency — Balanced performance for server workloads
-
100% OEM Compatible — Guaranteed compatibility with HP systems
Technical Specifications
| Specification |
Details |
| Manufacturer |
ADD-ON |
| Part Number |
P19047-H21-AM |
| OEM Reference |
HP P19047-B21 |
| Capacity |
128GB |
| Memory Type |
DDR4 SDRAM |
| Speed |
2933MHz |
| Module Type |
Load-Reduced DIMM (LRDIMM) |
| Rank Configuration |
Quad Rank x4 |
| Data Width |
64-bit |
| Pin Count |
288-pin |
| CAS Latency |
CL21 |
| Voltage |
1.2V |
| ECC Support |
Yes — Full Error Correction Code |
| Form Factor |
DIMM (Dual In-line Memory Module) |
Frequently Asked Questions
What is a load-reduced LRDIMM and why does it matter?
Load-reduced LRDIMMs use a buffer chip to reduce electrical load on the memory controller, allowing servers to support higher memory densities and speeds. This design is essential for enterprise systems requiring maximum memory capacity without compromising performance or stability.
Is this 128GB DDR4 memory compatible with my HP server?
Yes, this module is 100% compatible with HP systems that support the P19047-B21 specification. It meets or exceeds all OEM requirements for performance, reliability, and quality. Verify your server model supports DDR4-2933 LRDIMM memory before installation.
What does ECC memory do and do I need it?
ECC (Error-Correcting Code) memory automatically detects and corrects single-bit memory errors, preventing data corruption in mission-critical environments. ECC is essential for servers, data centers, and any system where data integrity is non-negotiable.
How much memory capacity do I need for my server?
Memory requirements depend on your workload. Virtualization, databases, and analytics typically require 64GB–512GB+. This 128GB module provides substantial capacity for demanding enterprise applications. Consult your server documentation or contact our team for sizing recommendations.
