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Green DDR5 RDIMM module with black chips and gold contacts

A-Tech

A-Tech 128GB DDR5 4800 ECC RDIMM CL40 1.1V 288-Pin Supermicro Certified

SKU CH-BMBB-2C4TZ

128 GB DDR5 server RDIMM running at 4800 MT/s with CL40 latency, ECC registered, 1.1 V and Supermicro certification

  • Capacity128GB
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 128 GB capacity handles heavy virtualization workloads
  • DDR5 4800 speed delivers high memory bandwidth
  • CL40 latency supports responsive server operation
  • 1 V DDR5 voltage reduces power draw per module
  • Supermicro certification ensures validated platform compatibility

128GB DDR5 4800 ECC RDIMM

This 128GB DDR5 module delivers registered ECC memory for enterprise servers and workstations. It operates at 4800MHz with CL40 latency and a standard 1.1V voltage. The quad-rank 3DS design uses Samsung chips on a 288-pin RDIMM form factor.

Supermicro Certified Server Builds

Suited for administrators upgrading or repairing Supermicro platforms validated for the MEM-DR512L-SL01-ER48 part number. Not suited for desktop motherboards or laptops that accept only unbuffered non-ECC memory. Not suited for systems requiring speeds above 4800MHz or lower CAS latency than CL40.

4Rx4 Quad Rank Architecture

The 2S2Rx4 (4Rx4 EC8) organisation packs 128GB into a single slot through 3DS/TSV stacking. This density demands a memory controller and BIOS qualified for quad-rank registered DIMMs; platforms limited to dual-rank modules will not recognise the full capacity.

Points forts

  • 128 GB capacity handles heavy virtualization workloads
  • DDR5 4800 speed delivers high memory bandwidth
  • CL40 latency supports responsive server operation
  • 1 V DDR5 voltage reduces power draw per module
  • Supermicro certification ensures validated platform compatibility

Caractéristiques

BrandSuperMicro
SeriesSupermicro Certified
ModelMEM-DR512L-SL01-ER48
Capacity128GB
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2S2Rx4 (4Rx4 EC8)
ChipsetSamsung Chipset
FeaturesSupermicro Certified MEM-DR512L-SL01-ER48 (M321RAGA0B20-CWK)

Questions sur cet article

What does the DDR5 4800 PC5-38400 rating mean for real-world throughput?

DDR5 4800 PC5-38400 sets the peak transfer rate at 38400 MB/s; actual throughput depends on the platform's memory controller and channel population.

Will this 288-pin RDIMM fit my Supermicro server's DIMM slots?

The module uses the standard 288-pin RDIMM form factor; verify your motherboard's qualified-vendor list for 128GB 4Rx4 support before installing.

How do I install this ECC registered DDR5 module, and what step is often missed?

Power down, open the chassis, align the notch with the keyed slot, press firmly until both latches click, then confirm the BIOS recognises 128GB at 4800 MT/s with ECC active.

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