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Green rectangular DDR4 server memory module with gold edge connector and black memory chips

SK hynix

SK hynix HMABAGR7A2R4N-XS 128GB DDR4-3200 ECC Registered Quad Rank Server RAM

SKU CH-VQD5-55AAE

128 GB DDR4-3200 ECC registered quad-rank module with 288-pin form factor and CL1.1 latency

  • Capacity128GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS Latency1.1
  • ECCYes
  • Buffered/RegisteredRegistered
  • 128 GB capacity supports large server workloads
  • DDR4-3200 speed delivers 25 600 MB/s bandwidth
  • ECC registered design corrects errors for data integrity
  • Quad rank 2Rx4 organisation maximises density per slot
  • 288-pin DDR4 form factor fits standard server DIMM sockets

128GB DDR4-3200 ECC Registered Server Memory

This 288-pin DDR4 SDRAM module delivers 128GB of capacity at 3200MHz with PC4-25600 bandwidth. It is built for servers and workstations that require registered ECC memory for data integrity and high-density configurations. The quad-rank design supports large memory footprints in compatible multi-socket platforms.

Registered ECC Buffering and Quad-Rank Architecture

The registered buffer reduces electrical load on the memory controller, allowing higher module counts per channel in enterprise systems. On-die ECC detects and corrects single-bit errors to maintain uptime in mission-critical workloads. The 2Rx4 quad-rank organisation enables this 128GB density within a single DIMM slot.

CAS Latency 1.1 Timing Specification

A CAS latency of 1.1 cycles at DDR4-3200 defines the module's access timing for the memory controller. Systems must support this timing parameter to operate the module at its rated 3200MHz speed. Buyers verifying motherboard QVL entries or BIOS memory profiles should match this latency value to ensure compatibility.

Highlights

  • 128 GB capacity supports large server workloads
  • DDR4-3200 speed delivers 25 600 MB/s bandwidth
  • ECC registered design corrects errors for data integrity
  • Quad rank 2Rx4 organisation maximises density per slot
  • 288-pin DDR4 form factor fits standard server DIMM sockets

Specifications

BrandHynix
Part NumberHMABAGR7A2R4N-XS
Capacity128GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 3200 (PC4 25600)
CAS Latency1.1
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4

Questions about this item

Will the 288-pin DDR4 module require any firmware updates or component replacements during its service life?

No firmware updates or component replacements are needed for this DDR4 registered module; it operates as a fixed hardware component once installed in a compatible server or workstation.

What is the first limit reached when the 128GB quad-rank module runs at DDR4-3200 continuously?

The registered buffer and quad-rank organisation set the electrical loading limit, which the memory controller reaches before thermal or power thresholds under sustained DDR4-3200 operation.

How much heat and power does the 128GB ECC registered kit produce during all-day server workloads?

As a low-power DDR4 registered UDIMM, it draws minimal power and generates modest heat, allowing dense 128GB configurations without exceeding typical server cooling envelopes.

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