We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Green circuit board with black memory chips, no heat spreader, 288-pin DDR5 RDIMM module

A-Tech

A-Tech 64GB DDR5 5600 ECC RDIMM Server RAM

SKU CH-Y6Z8-8MA4J

A 64GB DDR5 5600 ECC RDIMM server memory module with 2Rx4 rank, 1.10V operation and Samsung chipset

  • Total capacity64 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetSamsung Chipset
  • CAS latency40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 64GB capacity handles heavy server workloads
  • DDR5 5600 speed accelerates data throughput
  • ECC RDIMM design protects data integrity
  • 1V operation matches DDR5 standard voltage
  • 288-pin registered module fits compatible server slots

64GB DDR5 5600 ECC RDIMM for Servers

This 64GB DDR5 5600 registered DIMM targets server and workstation administrators who need high-capacity error-correcting memory. It replaces Samsung M321R8GA0BB7-CWM and M321R8GA0EB0-CWM modules in compatible platforms. The 2Rx4 organisation and 1.10V operation suit dense multi-channel configurations. Buyers who need non-ECC UDIMMs or lower-density modules should look elsewhere.

Thermals and Power at 1.10V Standard Voltage

Operating at the DDR5 standard 1.10V, the module draws minimal power for its 64GB density and 5600 MT/s speed. No heat spreader is fitted, so airflow across the bare PCB manages thermals in typical server chassis. Registered buffering reduces electrical load on the memory controller, helping keep system power draw predictable under sustained workloads. Acoustic impact is negligible because the module adds no active cooling.

Samsung Chipset ICs and Lifetime Support

Major-brand Samsung DRAM ICs underpin the module's validated reliability in qualified server boards. A-Tech's lifetime warranty and US-based technical support cover the module for its service life, providing replacement assistance if a defect appears. No bundled software, RGB utilities or additional accessories are included; the value lies in the tested component and the direct support channel. Compatibility must be verified against the system manual before installation.

How it compares

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

Price $1,756.99
Pricier than about 85% 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).
CAS latency 40
Typical for this category: the median of 439 items is 40.
Price per GB $27.45 per GB
Pricier than about 89% of the 6,064 comparable items (median $7.25 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 nameA-Tech
Product lineCompatible Replacement for Samsung M321R8GA0BB7-CWM M321R8GA0EB0-CWM
Model nameA-Tech 64 GB DDR5-5600 ECC RDIMM Server RAM Module
Total capacity64 GB
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetSamsung Chipset
Memory
CAS latency40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V

Questions about this item

How do I install this 64GB DDR5 5600 ECC RDIMM and what is the common mistake?

Align the 288-pin module with the DDR5 DIMM slot notch, press firmly until both retention clips click, and follow your system manual for channel population — the step often missed is verifying the correct slot order for registered memory.

What maintenance or replacement will this module need later?

No routine maintenance is required; the module uses Samsung DRAM ICs at 1.10V with ECC error correction. Replacement is only necessary if a memory test reports uncorrectable errors or the server no longer posts with the module seated.

What limit appears first under sustained load with this 2Rx4 registered DIMM?

The CAS latency of 40 at DDR5-5600 sets the timing boundary; under continuous heavy workloads the memory controller will hit this latency ceiling before thermal or voltage limits become a factor.

More in ECC Server RAM

Similar items