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Single green 288-pin DDR5 RDIMM module, black chips, gold contacts, 128GB label

A-Tech

A-Tech 128GB DDR5 4800 CL40 1.1V ECC Registered 288-Pin Server RAM

SKU CH-J4PR-KHNG3

A 128GB DDR5 registered ECC module running at 4800MHz with CL40 latency and 1.1V operation for server workloads

  • Capacity128GB
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 128 GB capacity handles heavy server workloads
  • DDR5 4800 MT/s speed moves data quickly
  • CL40 latency keeps timing tight for stability
  • 1 V DDR5 standard voltage reduces power draw
  • Supermicro certified module ensures tested compatibility

128GB DDR5 4800 ECC RDIMM for servers

This module delivers 128GB of DDR5 4800 registered memory with CL40 latency and 1.1V operation. It uses a 2S2Rx4 quad-rank Hynix chipset and carries Supermicro certification for validated compatibility. The 288-pin RDIMM form factor fits server platforms that require registered ECC memory.

Suited for capacity-focused server builds

Administrators expanding memory density in Supermicro-qualified systems will match the certified part number exactly. The single-module design simplifies population rules for high-capacity configurations. Workstations or desktops that accept only unbuffered UDIMMs cannot use this registered module.

Quad-rank 2S2Rx4 registered architecture

The 4Rx4 organisation places four logical ranks behind the register, which the memory controller must support. Systems limited to dual-rank or single-rank DIMMs will not recognise the full capacity. Verify the platform qualified vendor list for this rank structure before purchase.

Points forts

  • 128 GB capacity handles heavy server workloads
  • DDR5 4800 MT/s speed moves data quickly
  • CL40 latency keeps timing tight for stability
  • 1 V DDR5 standard voltage reduces power draw
  • Supermicro certified module ensures tested compatibility

Caractéristiques

BrandSuperMicro
SeriesSupermicro Certified
ModelMEM-DR512L-HL01-ER48
Capacity128GB
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2S2Rx4 (4Rx4 EC8)
ChipsetMajor Brand Chipset
FeaturesSupermicro Certified MEM-DR512L-HL01-ER48 (HMCT04MEERA)

Questions sur cet article

Should I pick the 128GB 4800MHz CL40 1.1V ECC Registered module or a different capacity for my Supermicro server?

This is a single 128GB DDR5 4800 (PC5-38400) RDIMM with CL40 latency and 1.1V operation, certified for Supermicro systems using the MEM-DR512L-HL01-ER48 part number.

What does the DDR5 4800 speed rating actually deliver once installed in a compatible server?

The module operates at 4800 MT/s with CL40 timing at the standard DDR5 voltage of 1.1V, providing registered ECC reliability for multi-socket workloads.

Is the 288-pin RDIMM interface the limiting factor for bandwidth compared to other DDR5 form factors?

The 288-pin RDIMM form factor carries the DDR5 4800 signal with registered buffering and 4Rx4 rank organisation, matching the Supermicro certified specification.

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