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Green printed circuit board with black memory chips and gold edge connectors, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM1024642666DIMM 8GB DDR4 2666MHz memory upgrade

SKU CH-HD0S-D4BE8

8GB DDR4 2666MHz DIMM module validated for HP 280 G3 SFF, G4 and G5 Microtower desktops

  • Capacity8GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.20V
  • 8GB DDR4 2666MHz adds responsive multitasking capacity
  • CL19 timing at 1.2V delivers stable performance
  • 288-pin DIMM fits HP 280 G3, G4 and G5 desktops
  • Single 8GB module leaves one slot free for future expansion
  • 2Rx8 unbuffered design works with existing memory configurations

HP 280 desktop upgrade

This 8 GB DDR4 module is built for HP Business Desktop 280 G3 SFF and the G4 and G5 Microtower models. It delivers 2666 MHz speed with CL19 timing at 1.2 V. The single DIMM adds capacity without requiring a matched pair.

Single stick simplicity

The kit contains one 288-pin unbuffered non-ECC DIMM using 2Rx8 organisation. No heat spreader is fitted, keeping the profile low for small-form-factor chassis. Installation is a direct swap in the supported HP systems.

Two-slot 32 GB ceiling

The compatible platforms provide two memory sockets and a maximum of 32 GB total. This 8 GB stick leaves room for one more module to reach the limit. Builders needing more than 32 GB must choose a different platform.

Highlights

  • 8GB DDR4 2666MHz adds responsive multitasking capacity
  • CL19 timing at 1.2V delivers stable performance
  • 288-pin DIMM fits HP 280 G3, G4 and G5 desktops
  • Single 8GB module leaves one slot free for future expansion
  • 2Rx8 unbuffered design works with existing memory configurations

Specifications

BrandComputer Memory Solutions
ModelCM1024642666DIMM
Capacity8GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemHP/Compaq Business Desktop 280 G3 Small Form Factor (SFF), 280 G4 Microtower, 280 G5 Microtower
Package Content1 Memory RAM Stick

Questions about this item

Will the CL19 timing need adjustment after prolonged use?

The module runs at CL19 19-19-19 timing at 1.20 V and does not require timing changes during its service life.

What limit appears first when the 2Rx8 rank runs at 2666 MHz continuously?

The memory controller caps total capacity at 32 GB across the two sockets, so that ceiling is reached before any thermal throttle on this unbuffered DIMM.

How much heat does the 1.20 V stick produce inside an HP 280 chassis all day?

At 1.20 V without a heat spreader, the DIMM stays within standard DDR4 thermal limits during sustained operation in the 280 G3 SFF, G4 or G5 microtower.

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