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Green rectangular DIMM module with black memory chips and gold contacts

SK hynix

SK hynix HMA851U6AFR6N-UH 4GB DDR4 2400 CL17 DIMM desktop RAM

SKU CH-F688-SE5EX

4 GB unbuffered DDR4 DIMM running at 2400 MT/s with CL17 latency at 1.20 V

  • Capacity4GB
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.20V
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • 4 GB capacity for everyday desktop tasks
  • DDR4 2400 speed rated at PC4 19200
  • CL17 CAS latency for responsive operation
  • 20 V low voltage reduces power draw
  • 260-pin unbuffered DIMM fits standard desktop slots

Capacity and form factor

This is a single 4 GB DDR4 DIMM module rated for 2400 MT/s with a CL17 latency and 1.20 V operating voltage. It is an unbuffered, non-ECC stick intended for standard desktop memory slots.

Ideal for basic upgrades.

The 4 GB capacity suits everyday office work, web browsing and light multitasking on systems with free DIMM slots. Builders who need more than 4 GB per module, require error-correcting code memory, or want registered buffering should look at different modules.

Deciding spec: 4 GB capacity

The total capacity of 4 GB is the figure that determines whether this stick meets the system's memory requirement. If the target platform needs a larger single-module size, this part will not satisfy that need.

商品特色

  • 4 GB capacity for everyday desktop tasks
  • DDR4 2400 speed rated at PC4 19200
  • CL17 CAS latency for responsive operation
  • 20 V low voltage reduces power draw
  • 260-pin unbuffered DIMM fits standard desktop slots

商品規格

Brandhynix
SeriesDesktop Memory
ModelHMA851U6AFR6N-UH
Capacity4GB
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered

商品問答

What comes in the box with the HMA851U6AFR6N-UH 4GB DDR4 2400 CL17 DIMM and is anything else needed to install it?

The box contains one 4GB DDR4 2400 CL17 unbuffered DIMM module. No additional components are required for installation; it plugs directly into a compatible desktop DDR4 motherboard slot.

How do I decide between the available versions or capacities of the SK hynix HMA851U6AFR6N-UH DDR4 2400 memory?

This specific model is a single 4GB module rated at DDR4 2400 with CL17 latency and 1.20V operation. Choose it when you need to add exactly 4GB to a system with an open DIMM slot.

What does the DDR4 2400 (PC4 19200) rating mean for actual performance once the HMA851U6AFR6N-UH is installed?

The module runs at 2400 MT/s with a CAS latency of 17 cycles, delivering a peak bandwidth of 19200 MB/s. Real-world speed depends on the motherboard and CPU memory controller capabilities.

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