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Green 288-pin DDR4 DIMM module with black chips and silver label

A-Tech

A-Tech 64GB DDR4 2133 ECC LRDIMM 4Rx4 for HP 726724-B21 752373-091 752373-G91 774176-001 M4Z04AA server RAM

SKU CH-58ZW-9C27B

A 64 GB DDR4 2133 MHz ECC LRDIMM module with CL15 latency, 1.2 V operation and 4Rx4 organisation for compatible HP servers

  • Capacity64GB
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredLoad Reduced
  • 64 GB single module doubles server memory capacity
  • DDR4 2133 MHz PC4-17000 speed matches system bus
  • ECC Load Reduced DIMM protects data integrity
  • 4Rx4 rank with major-brand chips ensures stability
  • CL15 latency at 1.2 V standard voltage

64GB DDR4 2133 ECC LRDIMM

This 64GB DDR4 2133 ECC LRDIMM module uses a 4Rx4 load-reduced design to deliver high-density memory for HP server and workstation platforms. It targets administrators who need maximum capacity per slot in systems qualified for part numbers such as 726724-B21, 752373-091, 752373-G91, 774176-001 and M4Z04AA. The stick runs at 1.20V with CL15 latency and is built with major-brand chips.

Installing in validated HP slots

Installation follows the standard 288-pin DIMM procedure: align the key notch, press firmly until the ejector tabs click, and confirm seating visually. Load-reduced modules draw less current per rank than standard registered DIMMs, but they still require the platform to support LRDIMM topology; inserting one into a board that only accepts RDIMM will prevent boot. Always verify the system memory guide before purchase because unsupported configurations are the most common cause of post failures.

DDR4 2133 bandwidth and rank limits

The DDR4 2133 interface provides 17000 MB/s theoretical throughput per module, which caps memory bandwidth regardless of how many ranks are populated. A 4Rx4 organisation increases density but also adds electrical load, so the memory controller may reduce clock speed when multiple high-rank modules fill every channel. Buyers needing higher frequencies or lower latency than PC4-17000 should look for platforms and modules rated beyond the DDR4 2133 standard.

商品特色

  • 64 GB single module doubles server memory capacity
  • DDR4 2133 MHz PC4-17000 speed matches system bus
  • ECC Load Reduced DIMM protects data integrity
  • 4Rx4 rank with major-brand chips ensures stability
  • CL15 latency at 1.2 V standard voltage

商品規格

BrandA-Tech
Capacity64GB
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

商品問答

How can I confirm the 64GB DDR4 2133 ECC LRDIMM is working correctly after installation?

Check the BIOS or system firmware to verify the full 64GB capacity is detected at 2133MHz with ECC enabled and no memory errors reported during POST.

What comes in the box with this 64GB module and do I need any extra parts?

The box contains one 64GB 288-pin DDR4 ECC LRDIMM. No additional components are required for installation in a compatible server slot.

Which version should I choose if my server lists HP part numbers 726724-B21, 752373-091, 752373-G91, 774176-001 or M4Z04AA?

This single 64GB 4Rx4 module at 1.2V CL15 matches all five listed HP part numbers, so select this exact configuration.

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