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Green circuit board with black memory chips and gold edge connectors

Computer Memory Solutions

Computer Memory Solutions CM512642400DIMM 4GB DDR4 2400 CL17 memory upgrade

SKU CH-REY4-M98GX

4 GB DDR4 module running at 2400 MHz with CL17 timing for HP 280 G3 microtower and 280B G2 small form factor desktops

  • Total capacity4 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL17
  • Memory timings17-17-17
  • Rated voltage1.2 V
  • 4 GB DDR4 2400 MHz expands system memory for HP 280 G3 MT and 280B G2 SFF
  • CL17 17-17-17 timing delivers responsive performance at 1.2 V low voltage
  • Unbuffered non-ECC 288-pin DIMM installs directly into compatible desktop slots
  • 2Rx8 rank organisation with major-brand chipset ensures reliable operation
  • Lifetime exchange warranty from Computer Memory Solutions protects against manufacturing defects

What this module is and who it fits

This 4 GB DDR4 DIMM is built for HP and Compaq Business Desktop 280 G3 Microtower and 280B G2 Small Form Factor systems. It serves owners of those exact models who need a single stick to reach the board’s 32 GB limit across two slots.

The spec that decides compatibility

The stick runs at 2400 MHz with CL17 timings at 1.2 V and uses a 288-pin unbuffered, non-ECC layout. If your desktop requires a different speed, voltage or pin count this module will not work.

Installation notes and common pitfalls

Installation is a standard DIMM insertion into an empty slot; no heat spreader means low-profile coolers clear it easily. The main issue is mixing speeds or capacities — the board will down-clock to the slowest stick, so confirm the existing module matches 2400 MHz CL17 before adding this one.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $4.75 per GB
Cheaper than about 80% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM512642400DIMM
Total capacity4 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2400 (PC4 19200)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL17
Memory timings17-17-17
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsHP/Compaq Business Desktop 280 G3 Microtower PC, Business Desktop 280B G2 Small Form Factor PC
In the box
Included items1Memory Ram Stick

Questions about this item

How does the 2400 MT/s speed translate to real-world bandwidth in this HP desktop?

The DDR4-2400 rating gives a peak transfer rate of PC4-19200, and the CL17 timing keeps latency low for everyday office workloads.

What does the 288-pin DDR4 interface mean for compatibility with the 280 G3 Microtower?

The 288-pin DIMM fits the desktop's standard DDR4 slots and runs at 1.2 V without requiring ECC or registered memory support.

Will the 4 GB stick physically fit inside the 280B G2 Small Form Factor chassis?

Yes, the unbuffered 288-pin DIMM uses the standard height and keying for both the Microtower and Small Form Factor models listed.

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