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Green VLP DDR4 UDIMM module with black chips and gold contacts

Crucial

Crucial MTA18ADF4G72AZ-3G2F1R 32GB DDR4 3200 VLP ECC UDIMM server RAM

SKU CH-X7N8-VKJBC MPN MTA18ADF4G72AZ-3G2F1R

32 GB DDR4 3200 VLP ECC UDIMM module with CL22 timing and 1.2 V operation for workstations and entry-level servers

  • Total capacity32 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Memory timings22-22-22
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • 32 GB capacity supports demanding workloads
  • DDR4 3200 speed delivers fast data transfer
  • ECC protection guards against data corruption
  • Very low profile fits compact server chassis
  • Dual-rank unbuffered design balances density and latency

32GB VLP ECC UDIMM for servers

This 32GB DDR4 3200 module uses a very low profile design to fit dense workstation and entry-level server chassis. It runs at 1.20V with CL22 timing and provides error-correcting code protection for data integrity. The unbuffered dual-rank layout suits systems that require ECC without registered buffering.

Replaces slower DDR4 or non-ECC UDIMMs

Upgrading from lower-speed DDR4 or standard unbuffered memory without ECC adds bandwidth and error detection for critical workloads. The jump is worth it when applications demand 3200 MT/s throughput and single-bit error correction in a compact form factor. Existing modules must match DDR4 voltage and unbuffered topology for compatibility.

Suits workstations and entry servers needing ECC

This module fits builders populating Intel or AMD platforms that support unbuffered ECC UDIMMs in a VLP height. It is not for systems requiring registered or load-reduced DIMMs, nor for boards limited to non-ECC memory. Buyers needing higher capacities per slot or registered buffering should look at alternative module types.

How it compares

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

Price $251.99
Pricier than about 56% of the 6,523 comparable items (median $188.99).
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $7.87 per GB
Pricier than about 56% 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 numberMTA18ADF4G72AZ-3G2F1R
Total capacity32 GB
Product typeVLP ECC UDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
Memory timings22-22-22
ECC supportYes
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Size & build
Shipping weight0.45 kg
Package size226 × 163 × 71 mm

Questions about this item

Will the VLP height clear my 1U server chassis?

The VLP form factor is built for 1U and other space-constrained systems, so the module fits within the low-profile clearance required by those chassis.

Do I need to change any BIOS settings to run at 3200 MT/s?

The module operates at 1.20 V with standard JEDEC timings of 22-22-22, so most platforms will train at 3200 MT/s automatically without manual voltage or frequency changes.

How do I know when ECC correction indicates a module should be replaced?

Monitor the system logs for corrected error counts; a sustained rise in correctable errors on this 2Rx8 module typically signals it is time to plan a replacement.

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