HPE P11447-0A1 128GB DDR4-3200 ECC LRDIMM — 4Rx4 Server Memory

The HPE P11447-0A1 is a 128GB DDR4-3200 ECC Load Reduced DIMM providing quad-rank x4 server memory for HPE ProLiant Gen10 Plus servers — delivering CL22 latency at 3200MHz (PC4-25600) with 1.2V operation and LRDIMM load reduction. The HPE Smart Buy (-0A1) variant of P06037-B21, providing 128GB DDR4-3200 per-slot LRDIMM capacity for Gen10 Plus Ice Lake server configurations requiring high-density DDR4 at the highest standard DDR4 speed.

Key Features

• 128GB DDR4-3200 ECC LRDIMM — 4Rx4 quad-rank for high-density DDR4 per slot on Gen10 Plus
• 3200MHz (PC4-25600) — highest standard DDR4 speed for maximum bandwidth at 128GB LRDIMM density
• CL22 latency with LRDIMM load reduction for 4-rank 128GB per-slot stability
• HPE Smart Buy (-0A1) variant of P06037-B21 — available through HPE Smart Buy program
• 1.2V standard DDR4 voltage at DDR4-3200 maximum LRDIMM density

Product Specifications

• Part Number: P11447-0A1
• Manufacturer: HP / HPE
• Capacity: 128GB
• Type: DDR4 ECC Load Reduced DIMM (LRDIMM)
• Speed: 3200MHz (PC4-25600)
• CAS Latency: CL22
• Voltage: 1.2V
• Ranks x Width: 4Rx4
• Pins: 288-Pin

Memory Specifications

• ECC: Yes — ECC Load Reduced (LRDIMM)
• Form Factor: DIMM (288-pin, full-height)
• Error Correction: SECDED ECC with LRDIMM data buffer
• Memory Standard: PC4-25600 (DDR4-3200)

Performance Specifications

• Bandwidth: Up to 25,600 MB/s theoretical peak per channel
• ECC Type: SECDED with LRDIMM 4-rank data buffer abstraction
• RAS Features: ECC, memory mirroring, rank sparing (platform dependent)

Use Cases

• 128GB DDR4-3200 LRDIMM for HPE ProLiant Gen10 Plus servers via Smart Buy program
• High-density DDR4 memory for SAP HANA, large VM consolidation, and in-memory databases
• Smart Buy procurement alternative to P06037-B21 for 128GB DDR4-3200 LRDIMM on Gen10 Plus
• Interchangeable with P06037-B21 in supported HPE ProLiant Gen10 Plus servers

Compatibility

• HPE ProLiant Gen10 Plus servers with Intel Xeon Scalable 3rd Gen (Ice Lake) processors
• Requires LRDIMM-capable DIMM slots — cannot be mixed with RDIMM modules
• DL360, DL380, DL560, DL580 Gen10 Plus with Ice Lake for DDR4-3200 native support
• Not compatible with Gen10 (Cascade Lake) servers that max out at DDR4-2933

Frequently Asked Questions

What is the difference between P11447-0A1 and P06037-B21?

Both are 128GB DDR4-3200 ECC 4Rx4 CL22 LRDIMMs at 1.2V for HPE ProLiant Gen10 Plus — functionally identical. P11447-0A1 is the HPE Smart Buy (-0A1) variant available through HPE's Smart Buy pricing program, while P06037-B21 is the standard HPE option kit (-B21) for regular channel ordering. Both are fully interchangeable in supported HPE Gen10 Plus servers.

What is the difference between 128GB DDR4-3200 4Rx4 LRDIMM and 128GB DDR4-2666 8Rx4 LRDIMM?

At DDR4-3200 with higher-density DRAM dies, 128GB can be achieved with 4Rx4 (quad-rank) — requiring less LRDIMM buffering complexity than the 8Rx4 configuration needed at DDR4-2666 with older lower-density DRAM. The 4Rx4 DDR4-3200 variant also provides approximately 20% more bandwidth (25,600 vs. 21,333 MB/s) and benefits from simpler rank loading on the LRDIMM data buffer.

How does 128GB DDR4-3200 LRDIMM compare to 128GB DDR5-4800 RDIMM?

The DDR5-4800 128GB RDIMM (P71560-001) provides approximately 50% more bandwidth (38,400 vs. 25,600 MB/s) and achieves 128GB in a 2Rx4 RDIMM without LRDIMM buffering — providing lower latency and simpler memory architecture. DDR5 is the preferred choice for Gen11 servers, while DDR4-3200 LRDIMM is the highest-performance DDR4 option for Gen10 Plus servers.

The HPE P11447-0A1 delivers 128GB DDR4-3200 ECC LRDIMM capacity in a 4Rx4 quad-rank configuration as the Smart Buy procurement variant of P06037-B21 — providing high-density DDR4-3200 server memory at the highest standard DDR4 bandwidth for HPE ProLiant Gen10 Plus servers requiring large per-slot capacity for SAP HANA, in-memory databases, and high-density VM consolidation workloads.