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Green rectangular server memory module with black chips and gold edge connectors

A-Tech

A-Tech Supermicro Certified MEM-DR464L-ER32 64GB DDR4 3200 ECC RDIMM

SKU CH-F5EG-057FY

64 GB DDR4 3200 ECC registered RDIMM with Samsung chips, CL22 latency, 1.2 V operation, and 288-pin form factor for Supermicro servers

  • Total capacity64 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetSamsung Chipset
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Supermicro certified for guaranteed server compatibility
  • Samsung DDR4 3200 CL22 2Rx4 registered ECC module
  • 64 GB capacity at 1.2 V standard voltage
  • 288-pin RDIMM form factor fits enterprise boards
  • Rigorously tested for dependable enterprise-grade reliability

Server Memory for Supermicro Systems

This 64GB DDR4 3200 module is built for servers and workstations that require registered ECC memory. It suits administrators upgrading Supermicro platforms where validated compatibility is essential. The single-module design allows precise capacity scaling per slot. Buyers needing non-ECC or unbuffered DIMMs for consumer boards should look elsewhere.

Supermicro Certified 64GB RDIMM

The decisive specification is the Supermicro certification on part number MEM-DR464L-ER32 with Samsung M393A8G40CB4-CWE chips. This validation confirms the module meets the vendor's qualified-vendor-list requirements for supported Supermicro platforms. Without this certification the same capacity and speed may not be accepted by the system firmware.

Sustained Load Stability

Registered buffering and ECC correction maintain data integrity during continuous multi-threaded workloads such as virtualisation or database processing. The 1.20V standard voltage and CL22 latency deliver consistent throughput without exceeding DDR4 power envelopes. Thermal throttling is avoided because the registered design reduces electrical load on the memory controller during extended operation.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $546.99
Pricier than about 72% of the 6,523 comparable items (median $188.99).
Total capacity 64 GB
Higher than about 70% of the 6,064 comparable items (median 32 GB).
Price per GB $8.55 per GB
Pricier than about 61% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameSuperMicro
Product lineSupermicro Certified
Model nameMEM-DR464L-ER32
Total capacity64 GB
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetSamsung Chipset
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Power
Rated voltage1.2 V

Questions about this item

What does the 3200 MT/s rating mean once the module is installed in a server?

The module runs at 3200 MT/s with CL22 latency at 1.2 V, delivering the rated PC4-25600 bandwidth when the platform supports DDR4-3200.

How does the DDR4 RDIMM interface affect maximum capacity per channel?

As a registered 288-pin DDR4 RDIMM, it presents a single electrical load per rank, allowing larger per-channel populations than unbuffered DIMMs.

What physical slot and clearance does this 64 GB stick require?

It needs a standard 288-pin DDR4 RDIMM socket; the dual-rank 2Rx4 Samsung chipset fits the regular DIMM height used in Supermicro platforms.

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