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Single green 288-pin DDR4 DIMM with black chips

A-Tech

A-Tech 4GB DDR4 2400MHz CL17 1Rx8 HP 1CA78AA 1CA78AT 854912-001 Z9H59AA Z9H59AT desktop RAM

SKU CH-JKH4-78J73

4GB DDR4 2400MHz CL17 desktop DIMM with 1Rx8 layout and 1.2V operation

  • Capacity4GB
  • SpeedDDR4 2400 (PC4 19200)
  • Tested Frequency2400
  • CAS LatencyCL17
  • Voltage1.20V
  • ECCNo
  • 4GB capacity lets you run everyday apps smoothly
  • DDR4 2400MHz speed transfers data at PC4-19200 rate
  • CL17 latency keeps response times low
  • 2V operation matches standard desktop power limits
  • 288-pin DIMM fits compatible HP desktops listed in part numbers

4GB DDR4 2400MHz Desktop Module

This single 4GB DDR4 DIMM runs at 2400MHz with CL17 latency and 1.20V operation. It is an unbuffered, non-ECC module built with major-brand chips for AMD and Intel desktop platforms.

Check motherboard DDR4 slot and maximum speed

Verify that your board accepts 288-pin DDR4 DIMMs and supports 2400MHz PC4-19200 memory. Confirm the system can use a 1Rx8 density module and that total capacity stays within the board's limit.

Steady throughput at standard voltage

The module maintains its rated 2400MHz frequency at the standard 1.20V without requiring extra voltage headroom. Unbuffered operation keeps latency predictable during extended workloads, while major-brand chips provide consistent signal integrity over long sessions.

Points forts

  • 4GB capacity lets you run everyday apps smoothly
  • DDR4 2400MHz speed transfers data at PC4-19200 rate
  • CL17 latency keeps response times low
  • 2V operation matches standard desktop power limits
  • 288-pin DIMM fits compatible HP desktops listed in part numbers

Caractéristiques

BrandA-Tech
Capacity4GB
SpeedDDR4 2400 (PC4 19200)
Tested Frequency2400
CAS LatencyCL17
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor Brand Chips
FeaturesMajor Brand Chipset
Recommend UseAMD & Intel Compatible

Questions sur cet article

What comes in the box and is anything else needed to install it?

The box contains one 4GB DDR4 2400MHz CL17 288-pin DIMM module. No extra parts or tools are required; it fits directly into a standard desktop DDR4 slot.

Should I choose this 4GB module or look for a different capacity?

This single 4GB stick suits a basic upgrade or a system with only one free slot. If your board supports dual-channel, adding a second identical 4GB module will double bandwidth.

What does the 2400MHz rating mean once the RAM is running in my PC?

The module operates at 2400MT/s with CL17 timing at 1.20V. The memory controller will set this speed automatically if the BIOS supports DDR4 2400, otherwise it will run at the highest speed both the CPU and motherboard allow.

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