HPE P11057-0A1 128GB DDR4-2933 Memory

HPE P11057-0A1 128GB DDR4-2933 Load Reduced Memory Module

P11057-0A1 is the assembly part number printed on the label of HPE’s 128GB Quad Rank x4 DDR4-2933 load reduced DIMM. If you have pulled a module from a ProLiant Gen10 server and found this number on the sticker, this page is the direct match for it.

The module itself is the same 128GB LRDIMM that HPE sells as option kit P11040-B21 and supplies as service spare P16001-001. It is aimed at Gen10 servers with 2nd Gen Intel Xeon Scalable processors that need very large memory capacity, such as consolidation hosts and analytics systems.

Stock is held in New and Refurbished condition where available. Choose a condition to see its price, along with the warranty that comes with it.

Key Features At A Glance

• Matches modules labelled P11057-0A1 like for like
• 128GB capacity on a single DIMM
• Load reduced buffering for four ranks of x4 DRAM
• DDR4-2933 rating with ECC error correction
• Genuine HPE Smart Memory for ProLiant Gen10
• Available as New or Refurbished, subject to stock

What an Assembly Number Tells You

HPE uses three kinds of number for the same memory. The -B21 option number (P11040-B21 here) is what you order and what appears in QuickSpecs. The -001 spare number (P16001-001) is used by HPE service for replacements. The assembly number, here with the -0A1 suffix, identifies the physical build and is the number most often visible on the DIMM label.

The suffix is part of the number, so read it in full. Other P11057 suffixes, such as P11057-1A1, are also listed by spares suppliers, and spares databases link that one to a different option kit. Matching the complete assembly number, or using the option or spare number, avoids confusion.

Gen10 Processor and Memory Rules

The DDR4-2933 range was listed by HPE for Gen10 servers running 2nd Gen Xeon Scalable processors, while first generation processors use the DDR4-2666 kits. Within a server, keep to one memory type: P11057-0A1 is an LRDIMM and cannot share a server with registered DIMMs, and it should not be mixed with 3DS modules such as the 128GB octal rank P00928-B21. Actual operating speed is set by the processor and by how many DIMMs are fitted per channel.

Planning Capacity With 128GB Modules

Because the module is load reduced, it is normally chosen when a server needs more memory than registered DIMMs can provide in the same number of slots. A two socket DL360 or DL380 Gen10 has 24 DIMM slots, so populating every slot with 128GB modules gives 3TB. Smaller builds should still keep the same number of modules on each processor so that both CPUs see a balanced memory layout. If you are replacing a single failed DIMM, the main goal is simply to match the type, capacity and rank of the module that came out.

New P11057-0A1 Modules

A New module is unused stock. It is the simplest choice for new deployments or strict sourcing policies, and the warranty is shown when this option is chosen.

Refurbished P11057-0A1 Modules

A Refurbished module is genuine HPE memory that has been used before and is sold at a lower price. It is well suited to replacing a failed DIMM or matching existing memory in a running server. Select the option to view its warranty.

HPE P11057-0A1 Technical Specifications

Servers That Use This Module

Spares references list the P11040-B21 family, including this assembly, for:

• HPE ProLiant DL360 Gen10
• HPE ProLiant DL380 Gen10

If your server is a different Gen10 model, contact us with the model and processor so we can check the HPE support list.

Related Memory and Gen10 Parts

• HPE P11040-B21 128GB LRDIMM option kit
• Refurbished P00928-B21 128GB 3DS memory
• P00930-B21 64GB DDR4-2933 registered kit
• P19043-B21 32GB DDR4-2933 memory
• DL380 and DL560 Gen10 fan module 875076-001
• HPE DL380 Gen10 2U rack server P20172-B21
• Server motherboards and system boards

Confirming the Match

• Read the full assembly number on the label, including the -0A1 suffix.
• Check the label shows 128GB 4Rx4 PC4-2933Y-L.
• Confirm all other DIMMs in the server are LRDIMMs of the same type.
• If the label is unreadable, use the server serial number to look up the original part.

Buying HPE P11057-0A1 in the UK

We sell this module to businesses and IT teams across the UK, and the delivery options are listed at checkout. Not sure it matches? Send us the server model, serial number and a clear photo of the DIMM label and we will check it for you.

Frequently Asked Questions

Where do I find P11057-0A1 on my memory?

It is normally printed on the label on the side of the DIMM, alongside the capacity and the PC4 speed code. The option number P11040-B21 usually appears on the box or in order records instead.

Is P11057-0A1 interchangeable with P11040-B21 and P16001-001?

Yes. All three numbers refer to the same 128GB Quad Rank x4 DDR4-2933 load reduced DIMM, so any of them is a valid replacement.

Is P11057-1A1 the same part?

Not necessarily. The suffix is part of the assembly number and spares databases link P11057-1A1 to a different option kit, so match the full number or ask us to check.

How do New and Refurbished P11057-0A1 modules compare?

Both are genuine HPE modules. New is unused stock, while Refurbished has been used before and costs less. The warranty for each shows when you select it.

Can you deliver P11057-0A1 across the UK?

Yes. UK delivery is available and the options are shown at checkout.