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Green bare circuit board with black memory chips and gold edge contacts

Crucial

Crucial MTA9ADF1G72AZ-3G2E1R 8GB DDR4 3200MHz ECC Unbuffered 1Rx8 CL22 1.2V server RAM

SKU CH-86P3-PWJQ4 MPN MTA9ADF1G72AZ-3G2E1R

8 GB DDR4 3200 MHz ECC unbuffered memory with CL22 latency for servers and workstations

  • Capacity8GB
  • SpeedDDR4 3300 (PC4 26400)
  • CAS LatencyCL22
  • Timing22-22-22
  • Voltage1.20V
  • ECCYes
  • ECC protection guards data integrity in critical workloads
  • DDR4 3200 MHz speed feeds data quickly to the CPU
  • Single-rank 1Rx8 layout keeps signal timing clean
  • Unbuffered design simplifies installation in compatible workstations
  • Low 1.2 V operation reduces power draw and heat

8 GB DDR4 ECC Unbuffered for Workstations

This 8 GB DDR4 module runs at 3200 MHz with CL22 latency and 1.2 V operation. It targets cost-sensitive workstations and entry-level servers that require error-correcting memory. The single-rank 1Rx8 layout keeps the design simple for mainstream platforms. No heat spreader is fitted.

Suited for ECC UDIMM slots only.

Buyers whose motherboards accept unbuffered ECC UDIMMs can use this module for office workloads, media creation or light hosting. Systems that require registered or load-reduced DIMMs cannot use it. Builds needing more than 8 GB per slot should choose higher-capacity sticks. Platforms limited to non-ECC memory are also incompatible.

Single-rank 1Rx8 organisation decides fit

The module is organised as 1Rx8, which determines how the memory controller addresses each rank. Verify that your board supports single-rank unbuffered ECC UDIMMs before purchase. Mixing ranks can prevent boot or reduce stability. This specification is the primary compatibility filter.

Points forts

  • ECC protection guards data integrity in critical workloads
  • DDR4 3200 MHz speed feeds data quickly to the CPU
  • Single-rank 1Rx8 layout keeps signal timing clean
  • Unbuffered design simplifies installation in compatible workstations
  • Low 1.2 V operation reduces power draw and heat

Caractéristiques

BrandMicron
Part NumberMTA9ADF1G72AZ-3G2E1R
Capacity8GB
SpeedDDR4 3300 (PC4 26400)
CAS LatencyCL22
Timing22-22-22
Voltage1.20V
ECCYes
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
FeaturesEngineered for cost-effective performance in workstations and entry-level servers
Available in multiple capacities and configurations
Ideal for office applications, designing digital media, editing videos or hosting web content
Poids d’expédition0.45 kg
Dimensions du colis226 × 157 × 43 mm

Questions sur cet article

Does this DDR4 ECC UDIMM need a heat spreader to fit in a 1U server chassis?

The module has no heat spreader, so its low-profile height fits tight 1U slots without clearance issues.

Which notch position and voltage must the motherboard slot match for this 1Rx8 stick?

Insert the DDR4 UDIMM at 1.20 V; the single key notch only aligns with DDR4 slots, preventing wrong-generation installation.

How long before the ECC error-correction logic itself degrades on this Micron die?

ECC circuitry is built into the DRAM and lasts the module’s usable life; no separate replacement or refresh cycle is required.

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