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Two green DDR4 DIMM sticks, no heat spreaders

Computer Memory Solutions

Computer Memory Solutions 32GB (2x16GB) DDR4-2666 CL19 288-Pin DIMM memory upgrade

SKU CH-TQ96-JWSX3

32 GB dual-channel DDR4-2666 kit with CL19 timing for HP ProDesk 405 G4 and 600 G4/G5 desktops

  • Capacity32GB (2 x 16GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.20V
  • 32 GB total capacity for heavy multitasking with two 16 GB modules
  • 2666 MHz DDR4 speed moves data quickly at PC4 21300 bandwidth
  • CL19 19-19-19 timings keep latency low for responsive operation
  • 20 V unbuffered non-ECC design fits standard desktop DIMM slots
  • 288-pin dual-rank 2Rx8 kit validated for HP ProDesk 405 G4 and 600 G4/G5 series

Compatible HP ProDesk memory kit

This 32 GB kit contains two 16 GB DDR4 DIMMs validated for HP ProDesk 405 G4 SFF, 600 G4 MT, 600 G4 SFF, 600 G5 MT and 600 G5 SFF systems. Unbuffered, non-ECC modules install directly into the four available slots without configuration changes. The kit targets IT teams and small-business owners who need a guaranteed upgrade for these specific platforms.

Thermals and power at standard speed

Each module operates at 1.20 V with a CL19 19-19-19 timing profile at 2666 MHz. The low-voltage DDR4 design keeps power draw modest during typical office workloads and multitasking. No heat spreaders are fitted, so airflow from the chassis fans is sufficient to maintain normal operating temperatures.

Sustained-load behaviour

Under continuous memory-intensive tasks the dual-rank 2Rx8 organisation delivers stable throughput at the rated 21300 MT/s transfer rate. All installed memory will run at the slowest module or processor limit, so matching pairs are recommended for consistent performance. The system maximum is 64 GB across four sockets, leaving room for a second identical kit if workloads grow.

Highlights

  • 32 GB total capacity for heavy multitasking with two 16 GB modules
  • 2666 MHz DDR4 speed moves data quickly at PC4 21300 bandwidth
  • CL19 19-19-19 timings keep latency low for responsive operation
  • 20 V unbuffered non-ECC design fits standard desktop DIMM slots
  • 288-pin dual-rank 2Rx8 kit validated for HP ProDesk 405 G4 and 600 G4/G5 series

Specifications

BrandComputer Memory Solutions
ModelCM2048642666DIMM
Capacity32GB (2 x 16GB)
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 ProDesk 405 G4 SFF, 600 G4 Series MT, 600 G4 Series SFF, 600 G5 Series MT, ProDesk 600 G5 Series SFF
Package Content2 Memory RAM Sticks

Questions about this item

How do I install the two 16 GB DIMMs in my ProDesk 600 G4 SFF, and which slot order is the step people get wrong?

Insert each stick into the same-coloured DIMM slots — usually slots 1 and 3 — so the memory controller runs them in dual-channel mode; putting both modules in adjacent slots leaves the second channel empty and halves bandwidth.

What maintenance or replacement will this 32 GB kit need over its service life?

No scheduled maintenance is required; the unbuffered DDR4 modules have no heat spreader and no moving parts, so only a failed stick would ever need replacing under the manufacturer's lifetime warranty.

What limit appears first when the 2666 MHz CL19 memory runs sustained workloads on a 600 G5 MT?

The CAS 19 timing at 1.20 V sets the latency floor; under continuous load the memory controller cannot push latency lower than the programmed 19-19-19 cycles, so response time plateaus there.

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