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A single green 288-pin DDR4 RDIMM module with black chips and a silver label

SK hynix

SK hynix HMAA4GU6AJR8N-XN 32GB DDR4 3200 CL22 1.2V RDIMM desktop RAM

SKU CH-VEXA-TGT50

A 32 GB DDR4 RDIMM running at 3200 MHz with CL22 latency and 1.2 V operation

  • Total capacity32 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • 32 GB capacity lets you run heavy workloads without swapping
  • DDR4 3200 speed moves data at PC4-25600 bandwidth
  • CL22 latency keeps response tight for everyday tasks
  • 2 V operation reduces power draw and heat
  • 288-pin RDIMM form factor fits standard desktop DIMM slots

Single-Module 32 GB DDR4 Upgrade

This SK hynix RDIMM delivers 32 GB of DDR4 memory in a single 288-pin module rated for 3200 MT/s at CL22. It operates at the standard 1.2 V and is unbuffered, making it a straightforward capacity addition for compatible desktop systems.

Builders Needing Maximum Capacity Per Slot

The 32 GB density suits users who want to reach high total memory without populating every slot, leaving room for future expansion. Systems limited to lower-density modules, or platforms that require registered ECC memory, will not be able to use this stick.

32 GB Density Decides Fit

The decisive specification is the 32 GB capacity per module; the motherboard and CPU memory controller must support this density in an unbuffered DDR4 DIMM for the upgrade to work.

How it compares

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

Price $219.99
Pricier than about 70% of the 3,647 comparable items (median $90.99).
Total capacity 32 GB
Higher than about 70% of the 3,251 comparable items (median 16 GB).
Price per GB $6.87 per GB
Typical for this category: the median of 3,251 items is $6.75 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 nameHynix
Product lineDesktop Memory
Model nameHMAA4GU6AJR8N-XN
Total capacity32 GB
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V

Questions about this item

Will the 288-pin RDIMM form factor fit my desktop motherboard DIMM slots?

This module uses the standard 288-pin RDIMM form factor for DDR4 desktop memory. It fits any desktop motherboard with DDR4 DIMM slots that accept registered modules; verify your board supports registered DIMMs before purchase.

What BIOS setting should I check after installing this 3200 MHz CL22 module?

Enable the XMP or DOCP profile in BIOS so the module runs at its rated 3200 MHz speed and CL22 latency; otherwise it will default to a lower JEDEC frequency.

Does this 1.20 V unbuffered module need any firmware updates or periodic maintenance?

No firmware updates or routine maintenance are required for this DDR4 RDIMM. If a memory error appears later, reseat the module or test with a single stick to isolate the fault.

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