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Single green 288-pin DDR4 DIMM with black chips, 32GB capacity

A-Tech

A-Tech 32GB DDR4 3200MHz PC4-25600 2Rx8 Desktop RAM

SKU CH-2THV-BE78B

A 32 GB DDR4 3200 MHz unbuffered DIMM running at 1.2 V with a 288-pin layout for desktop upgrades

  • Total capacity32 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • Tested speed3200
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • 32 GB capacity handles heavy multitasking and large workloads
  • DDR4 3200 MHz speed reduces loading times and improves responsiveness
  • 20 V standard voltage keeps power draw low for desktop stability
  • 288-pin DIMM form factor fits standard desktop memory slots
  • Tested replacement for Hynix HMAA4GU6AJR8N-XN and HMAA4GU6CJR8N-XN modules

Single-Module Capacity

This 32 GB DDR4 DIMM delivers a full 32 GB in one 288-pin module, removing the need to populate multiple slots for the same capacity. It targets desktop owners who want a straightforward capacity increase without rearranging existing sticks. The non-ECC unbuffered design matches standard consumer motherboards.

Build Integration

The module runs at the DDR4 standard 1.2 V, so it draws no extra voltage headroom from the memory controller. Its 2Rx8 organisation works with typical dual-channel boards, leaving the remaining slots free for future expansion. Compatibility is validated against the Hynix HMAA4GU6AJR8N-XN and HMAA4GU6CJR8N-XN part numbers.

Sustained Workload Behaviour

Rated at 3200 MT/s (PC4-25600), the stick maintains its rated frequency under continuous multi-tasking and memory-heavy applications. Quality-assurance testing confirms stable operation during extended sessions rather than only brief benchmarks. The single-rank-per-channel layout helps keep latency consistent when the system is under prolonged load.

How it compares

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

Price $170.99
Pricier than about 64% 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 $5.34 per GB
Cheaper than about 67% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameA-Tech
Total capacity32 GB
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
Tested speed3200
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

Will the 3200 MHz speed hold under heavy, sustained workloads?

The module is rated for DDR4 3200 at 1.2 V, so it maintains that frequency as long as the motherboard keeps the standard voltage and the system cooling handles the heat load.

How much heat and noise does a 32 GB stick add when running all day?

Operating at the standard 1.2 V DDR4 voltage, the DIMM produces only modest heat and has no moving parts, so it adds no audible noise to a desktop that runs continuously.

What motherboard slot and memory controller do I already need for this 288-pin DIMM to work?

You need a desktop board with a DDR4 288-pin UDIMM slot and a memory controller that supports non-ECC unbuffered modules at 1.2 V.

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