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Green rectangular DDR5 RDIMM module with black chips and gold edge contacts

A-Tech

A-Tech Supermicro Certified 64GB DDR5 4800MHz CL40 ECC RDIMM Server Memory

SKU CH-XQ70-J781C

64 GB DDR5 4800 MHz ECC RDIMM module with Supermicro certification and CL40 latency

  • Total capacity64 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 64GB capacity supports heavy server workloads
  • DDR5 4800MHz CL40 delivers high-speed data transfer
  • ECC registered design ensures data integrity
  • Supermicro certified for guaranteed compatibility
  • 10V operation meets DDR5 standard voltage

Supermicro Certified DDR5 RDIMM

This 64 GB DDR5 4800 MHz ECC registered DIMM is built for Supermicro servers that require registered memory with native error correction. The module carries Supermicro certification MEM-DR564L-HL01-ER48 and runs at 1.10 V with a CL40 latency profile.

Suits Supermicro DDR5 servers.

Administrators expanding memory in qualified Supermicro systems will find this 2Rx4 RDIMM a direct fit. Builders using consumer desktop boards, workstations that demand unbuffered DIMMs, or any platform without DDR5 RDIMM support should look at something else.

64 GB DDR5 4800 CL40 ECC RDIMM

The single specification that decides compatibility is the registered DDR5 form factor with ECC at 4800 MHz. Verify your motherboard's qualified vendor list for this exact module before ordering.

How it compares

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

Price $1,659.99
Pricier than about 84% 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 $25.94 per GB
Pricier than about 87% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameSuperMicro
Product lineSupermicro Certified
Model nameMEM-DR564L-HL01-ER48
Total capacity64 GB
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4 (EC8)
Power
Rated voltage1.1 V

Questions about this item

Should I pick a single 64GB module or combine smaller sticks to reach the same capacity?

This module delivers 64GB in one 288‑pin RDIMM, so you fill one slot and leave the rest open for future expansion.

What does the 4800MHz rating actually deliver inside a server?

The module runs at DDR5 4800 with CL40 latency, providing PC5‑38400 bandwidth for high‑throughput workloads.

How does the DDR5 ECC RDIMM interface limit real‑world speed?

The registered DDR5 4800 interface caps transfer rate at 4800 MT/s while the on‑die ECC and register add one cycle of latency.

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