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Green 288-pin DDR4 LRDIMM module with black chips, no heat spreader

A-Tech

A-Tech 128GB DDR4 2933MHz PC4-23400 ECC LRDIMM 4DRx4 Server Memory

SKU CH-4YZF-P16SX

128 GB DDR4 ECC load-reduced DIMM running at 2933 MHz with CL21 latency and 1.20 V for compatible HP server platforms

  • Capacity128GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.20V
  • ECCYes
  • 128 GB capacity handles heavy server workloads
  • DDR4 2933 MHz speed delivers high data throughput
  • ECC load-reduced design protects data integrity
  • 2 V operation reduces power consumption
  • Direct replacement for HP part numbers P19402-001 P16001-001 P16112-001 P11040-B21 P11040-H21 P11040-K21 P11057-0A1

128GB DDR4 ECC LRDIMM Server Module

This A-Tech module delivers 128GB of DDR4 2933MHz memory in a single 288-pin LRDIMM package. It operates at 1.20V with CL21 latency and includes ECC error correction for data integrity. The load-reduced design supports high-density server configurations requiring registered memory.

Verify DDR4 LRDIMM Support and Part Match

Confirm your server platform accepts DDR4 LRDIMM modules at 2933MHz with a 4DRx4 rank structure. Cross-reference the original part numbers P19402-001, P16001-001, P16112-001, P11040-B21, P11040-H21, P11040-K21, or P11057-0A1 to ensure correct replacement. Systems limited to standard RDIMM or UDIMM form factors cannot use this module.

Fits 288-Pin DDR4 Slots for Maximum Density

The module installs directly into any compatible 288-pin DDR4 DIMM slot supporting load-reduced memory. Its single-module 128GB capacity frees additional slots for further expansion while maintaining signal integrity at speed. Builders needing non-ECC memory or standard registered DIMMs must select a different product type.

Points forts

  • 128 GB capacity handles heavy server workloads
  • DDR4 2933 MHz speed delivers high data throughput
  • ECC load-reduced design protects data integrity
  • 2 V operation reduces power consumption
  • Direct replacement for HP part numbers P19402-001 P16001-001 P16112-001 P11040-B21 P11040-H21 P11040-K21 P11057-0A1

Caractéristiques

BrandA-Tech
SeriesHP/HPE RAM Equivalent Replacement Memory
ModelP19402-001, P16001-001, P16112-001, P11040-B21, P11040-H21, P11040-K21, P11057-0A1
Part NumberP19402-001, P16001-001, P16112-001, P11040-B21, P11040-H21, P11040-K21, P11057-0A1
Capacity128GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4DRx4/4Rx4
ChipsetMajor Brand Chipset
Heat SpreaderNo
FeaturesEquivalent Replacement for HP P19402-001, P16001-001, P16112-001, P11040-B21, P11040-H21, P11040-K21, P11057-0A1

Questions sur cet article

Does the A-Tech 128GB DDR4 2933MHz ECC LRDIMM ship as a single module or a kit, and are any extra parts required for installation?

The package contains one 128GB 288-pin DDR4 LRDIMM module. No additional components are needed; it installs directly into a compatible server memory slot.

How do I confirm which HP part number this A-Tech module replaces so I pick the right version for my server?

This module is an equivalent replacement for HP part numbers P19402-001, P16001-001, P16112-001, P11040-B21, P11040-H21, P11040-K21 and P11057-0A1. Match your server's qualified part list to one of these numbers.

What does the PC4-23400 rating mean for actual server workloads with this 4DRx4 LRDIMM?

PC4-23400 denotes the module's peak data rate of 2933 MT/s at CL21 latency and 1.20V. The 4DRx4 load-reduced organisation lowers electrical load on the memory bus, allowing higher total system capacity while maintaining ECC error correction.

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