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Green bare DDR4 DIMM module with black chips, no heat spreader

SK hynix

SK hynix HMA81GU6AFR8N-UH 8GB DDR4 2400MHz desktop RAM

SKU CH-6CVD-H89PH

8GB DDR4 2400MHz CL17 desktop DIMM at 1.20V, unbuffered non-ECC single-rank module

  • Total capacity8 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL17
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • 8GB capacity for smooth multitasking
  • DDR4 2400MHz speed for responsive performance
  • 20V operation reduces power draw
  • CL17 latency for quick data access
  • 288-pin DIMM fits standard desktop slots

8GB DDR4 2400MHz Desktop Module

This SK hynix DIMM provides 8GB of DDR4 memory at 2400MHz for desktop computers. The unbuffered, non-ECC stick runs at 1.20V with CL17 latency. It suits owners upgrading an existing DDR4 system or building a cost-sensitive rig that uses standard JEDEC speeds.

Single Rank 1Rx8 Organisation

The module uses a single-rank 1Rx8 layout, which determines how the memory controller addresses the chips. This rank structure is the specification that decides whether the stick works in boards limited to one rank per slot or in dual-channel pairs that expect matching ranks. Verify the motherboard manual for rank limits before purchase.

Green PCB Without Heat Spreader

The bare green circuit board has no metal heat spreader or LED lighting, keeping the profile low for tight CPU cooler clearances. This physical design changes installation only in compact cases where taller modules would interfere with the cooler. No software or firmware utilities are bundled with the memory.

How it compares

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

Price $33.99
Cheaper than about 76% of the 3,647 comparable items (median $90.99).
Total capacity 8 GB
Lower than about 60% of the 3,251 comparable items (median 16 GB).
Price per GB $4.25 per GB
Cheaper than about 82% of the 3,251 comparable items (median $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
Model nameHMA81GU6AFR8N-UH
Total capacity8 GB
Product colorGreen
Performance
Rated speedDDR4 2400 (PC4 19200)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL17
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Recommended forHigh Performance or Gaming Memory
More details
LED lightingNone

Questions about this item

What does the 2400 MHz rating mean for actual system performance?

The module runs at 2400 MT/s with CL17 latency, giving a PC4-19200 bandwidth rating that the memory controller can sustain in typical desktop workloads.

What does the PC4-19200 designation limit in practice?

PC4-19200 is the JEDEC standard name for DDR4-2400; it caps the official data rate at 2400 MT/s and 1.20 V unless the BIOS applies an XMP or manual overclock.

Will this 288-pin DIMM fit my motherboard slot?

Yes — it is a standard 288-pin unbuffered non-ECC DDR4 DIMM, the form factor used by virtually all current desktop boards.

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