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Green rectangular DDR5 RDIMM with black chips and gold contacts

Axiom

Axiom 64GB DDR5-5600 ECC RDIMM 288-pin P64707-B21

SKU CH-DNRQ-R9N3K

64 GB DDR5-5600 ECC registered DIMM with 288 pins for server workloads

  • Total capacity64 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • ECC supportECC
  • 64 GB capacity handles large enterprise workloads
  • DDR5-5600 speed delivers 5600 MHz data rates
  • ECC registered design protects data integrity
  • 288-pin RDIMM fits compatible server slots
  • 70% bandwidth increase over DDR4 improves throughput

Axiom 64GB DDR5-5600 ECC RDIMM

This 64 GB registered DIMM is built for server platforms that require ECC protection and DDR5 bandwidth. The 288-pin module runs at 5600 MHz and carries the HP part number P64707-B21.

Thermals, noise and power draw

DDR5 architecture lowers voltage compared with DDR4, reducing the energy each module draws under load. Less power consumed means less waste heat to remove, so system fans can run at lower speeds during normal operation.

Registered ECC for data integrity

Error-correcting code and registered signalling protect every transaction across the memory bus. This combination is mandatory for workloads that cannot tolerate silent data corruption. Buyers who need non-ECC or unbuffered modules should choose a different product.

How it compares

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

Price $3,595.99
Pricier than about 90% of the 3,647 comparable items (median $90.99).
Total capacity 64 GB
Higher than about 90% of the 3,251 comparable items (median 16 GB).
Price per GB $56.19 per GB
Pricier than about 90% of the 3,251 comparable items (median $6.75 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameAxiom
Total capacity64 GB
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
ECC supportECC

Questions about this item

Will this 64 GB DDR5-5600 ECC RDIMM fit a standard 288-pin desktop motherboard slot?

The module uses a 288-pin DIMM form factor and is designated as a registered ECC RDIMM, which requires a motherboard and chipset that explicitly support registered DDR5 memory; standard consumer desktop boards typically accept only unbuffered UDIMMs.

What does the PC5-44800 rating mean for real-world bandwidth?

PC5-44800 indicates a peak transfer rate of 44 800 MT/s at 5600 MHz, delivering roughly 70 % more bandwidth than DDR4 at the same clock, which speeds up data-intensive workloads such as virtualization or large dataset processing.

Is any additional hardware or configuration needed to enable ECC on this module?

ECC functionality is built into the DRAM, but the platform BIOS must support and be configured for ECC operation; without a compatible server or workstation platform the error-correction feature will remain inactive.

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