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Green rectangular DDR4 memory module with gold contacts and black chips, no heat spreader

Micron Technology, Inc.

Micron Technology, Inc. MTA36ASF8G72PZ-3G2B2 64GB DDR4 3200 ECC Registered server RAM

SKU CH-V6WY-0JRFB MPN MTA36ASF8G72PZ-3G2B2

A 64 GB DDR4-3200 ECC registered dual-rank module with CL22 timing for data-intensive server workloads

  • Total capacity64 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMicron Chipset
  • CAS latencyCL22
  • Memory timings22-22-22
  • Rated voltage1.2 V
  • 64GB capacity expands server memory for virtual machines and data-intensive workloads
  • DDR4 3200 speed delivers 25600 MT/s bandwidth to maximize CPU performance
  • ECC registered design detects and corrects memory errors for system stability
  • CL22 CAS latency with 22-22-22 timing optimizes response at 1.20V
  • 288-pin 2Rx4 Micron chipset module validated for broad server compatibility

Server-grade 64GB DDR4 module

The Micron MTA36ASF8G72PZ-3G2B2 is a 64GB DDR4 3200 ECC registered DIMM built for enterprise servers. It targets administrators expanding memory capacity for virtualisation, high-performance computing or deep-learning workloads. The registered buffer and ECC support protect data integrity in multi-socket platforms.

Upgrading from lower-capacity RDIMMs

Replacing smaller registered modules with this 64GB stick lets a server address larger datasets without adding slots. The jump is worth it when virtual-machine density or in-memory database size hits the current ceiling. Systems limited to unbuffered memory or consumer DDR4 speeds cannot use this module.

Capacity headroom at 3200 MT/s

A single module delivers 64GB at PC4-25600 with CL22 timing and 1.20 V operation. It comfortably feeds many-core CPUs running dozens of containers or large training jobs. Headroom runs out when the platform’s maximum DIMM count or memory-controller limit is reached, requiring additional modules or a higher-density SKU.

How it compares

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

Price $260.99
Pricier than about 57% 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 $4.08 per GB
Cheaper than about 81% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameMicron
Model nameMTA36ASF8G72PZ-3G2B2
Total capacity64 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMicron Chipset
Memory
CAS latencyCL22
Memory timings22-22-22
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Size & build
Shipping weight0.23 kg
Package size178 × 51 × 13 mm

Questions about this item

Will the 288-pin DDR4 RDIMM fit my server's memory slots?

The module uses the standard 288-pin DDR4 RDIMM form factor used by most current server platforms; verify your motherboard supports registered ECC memory before purchasing.

Do I need to configure anything in BIOS after installing this CL22 registered ECC module?

Most servers detect the 3200 MT/s speed and 22-22-22 timings automatically; the common mistake is mixing registered and unbuffered DIMMs in the same channel, which prevents boot.

How do I know when a 64 GB 2Rx4 module should be replaced?

ECC corrects single-bit errors silently; if your system logs show recurring corrected errors or uncorrectable errors on this DIMM, schedule a replacement.

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