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Green rectangular DIMM module with black chips and gold contacts

HPE

HPE 850881-001 32GB DDR4 RAM Module backup drive

SKU CH-GTBX-3NT6N

A 32 GB DDR4-2666 registered DIMM memory module for compatible HPE servers

  • TypeRAM Module
  • 32 GB capacity supports large workloads
  • DDR4-2666 speed delivers fast data transfer
  • PC4-21300 standard ensures broad compatibility
  • Registered signal processing improves system stability
  • DIMM form factor fits standard server slots

HPE 32 GB DDR4-2666 Registered DIMM

This 32 GB DDR4 memory module runs at 2666 MT/s and uses registered signal processing for stable operation in multi-DIMM configurations. It is built for HPE ProLiant servers and workstations that require PC4-21300 registered memory. The DIMM form factor fits standard DDR4 slots in compatible HPE platforms.

DDR4-2666 registered speed and capacity ceiling

The module operates at the DDR4-2666 standard with a single 32 GB rank, so total system memory is limited by the number of DIMM slots and the memory controller's maximum supported capacity per channel. Registered buffering adds one clock cycle of latency but allows larger memory populations than unbuffered DIMMs. Mixing registered and unbuffered modules in the same system is not supported.

32 GB registered DDR4 capacity per slot

Each slot filled with this part contributes 32 GB of registered DDR4-2666 memory, making it the decisive specification when expanding or replacing memory in a server that requires registered DIMMs. Systems that only accept unbuffered memory cannot use this module. Verify the platform's qualified vendor list before installation.

Highlights

  • 32 GB capacity supports large workloads
  • DDR4-2666 speed delivers fast data transfer
  • PC4-21300 standard ensures broad compatibility
  • Registered signal processing improves system stability
  • DIMM form factor fits standard server slots

Specifications

BrandHPE
TypeRAM Module

Questions about this item

Is the 32 GB DDR4-2666 module the right capacity for my server upgrade?

The module provides 32 GB of registered DDR4 memory in a single DIMM, so one unit adds that full amount to a compatible slot.

Will the DDR4-2666 rating deliver 2666 MT/s in my system?

It runs at up to 2666 MT/s when the platform supports that speed; otherwise it downclocks to the highest rate the memory controller allows.

Does the PC4-21300 label guarantee 21300 MB/s bandwidth?

PC4-21300 is the peak transfer rate at 2666 MT/s; sustained throughput depends on the CPU memory controller and channel configuration.

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