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Green printed circuit board with black memory chips and gold edge connectors

Crucial

Crucial MTA9ASF2G72PZ-3G2F1R 16GB DDR4 3200 RDIMM CL22 1.2V

SKU CH-B02J-Q9YDY MPN MTA9ASF2G72PZ-3G2F1R

Registered DDR4 server memory with 16 GB capacity, 3200 MHz speed, CL22 latency and ECC parity for data integrity

  • Total capacity16 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Memory timings22-22-22
  • Rated voltage1.2 V
  • ECC supportParity
  • Registered RDIMM design stabilises data flow in servers
  • 16GB DDR4 3200 speed handles demanding workloads
  • ECC parity detects errors to protect data integrity
  • Single-rank 1Rx8 layout enables higher density configurations
  • Low 1.2V operation reduces power draw

Product identity

This is a 16GB DDR4 3200 RDIMM module built for registered server and workstation platforms. It uses Micron components and delivers ECC parity protection for data integrity. The single-rank 1Rx8 organisation keeps electrical loading low on populated channels. It operates at the standard 1.2V DDR4 voltage.

Critical specification

The registered RDIMM design with ECC parity is the decisive attribute; it only functions in motherboards that support registered ECC memory. Standard desktop or consumer boards without register and parity support will not accept this module.

Suitability

It suits administrators upgrading or repairing registered DDR4 servers that require 3200 MT/s CL22 modules. It does not suit builders using unbuffered consumer motherboards, laptops, or any system that lacks registered ECC support.

How it compares

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

Price $227.99
Typical for this category: the median of 6,523 items is $188.99.
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $14.25 per GB
Pricier than about 74% 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 nameMicron
Part numberMTA9ASF2G72PZ-3G2F1R
Total capacity16 GB
Product typeRDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
Memory timings22-22-22
ECC supportParity
Buffer typeRegistered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Size & build
Shipping weight0.23 kg
Package size178 × 57 × 6 mm

Questions about this item

What does the 3200 MT/s rating mean once the module is installed in a server?

The module runs at 3200 MT/s, delivering PC4-25600 bandwidth when the platform supports that speed.

How does the registered RDIMM interface affect usable capacity and speed?

The register chip buffers commands so the memory controller can drive more modules per channel without signal degradation.

What physical slot and keying does this 16 GB stick require?

It fits a standard DDR4 RDIMM slot with the registered key notch; no heat spreader is present so height is low-profile.

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