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Two green DDR4 DIMM sticks, no heat spreader, 288-pin

Computer Memory Solutions

Computer Memory Solutions 16GB (2x8GB) DDR4 2666 CL19 DIMM HP Z1 G5 Z2 SFF G4 Tower G4 D22

SKU CH-TH3A-3YC2Z

A 16 GB DDR4 kit with two 8 GB unbuffered DIMMs running at 2666 MHz CL19 for compatible HP workstations

  • Capacity16GB (2 x 8GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.20V
  • Guaranteed compatibility with listed HP workstations
  • 16GB dual-channel kit for balanced performance
  • 2666MHz DDR4 speed with CL19 latency
  • 20V low-voltage operation saves power
  • 288-pin unbuffered DIMM fits standard slots

System-Specific DDR4 Upgrade Kit

This 16 GB kit contains two 8 GB DDR4-2666 DIMMs built for HP Z1 G5, Z2 SFF G4 and Z2 Tower G4 workstations. It runs at 1.20 V with CL19 timing and requires a 64-bit operating system to address the full capacity. The modules are unbuffered, non-ECC and use major-brand chips.

Sustained-Load Behaviour

All installed memory operates at the speed of the slowest module or the processor limit, so mixing with slower sticks reduces throughput. The dual-rank 2Rx8 organisation helps maintain bandwidth during extended workloads. Stability is backed by the manufacturer’s lifetime exchange warranty against defects.

Installation Practicalities

The 288-pin DIMMs fit the four available slots; the system maximum is 64 GB. Installing in matched pairs is recommended for best performance. No heat spreader is fitted, so airflow in small-form-factor chassis should be checked. Compatibility is guaranteed only for the listed HP workstation models.

商品特色

  • Guaranteed compatibility with listed HP workstations
  • 16GB dual-channel kit for balanced performance
  • 2666MHz DDR4 speed with CL19 latency
  • 20V low-voltage operation saves power
  • 288-pin unbuffered DIMM fits standard slots

商品規格

BrandComputer Memory Solutions
ModelCM1024642666DIMM
Capacity16GB (2 x 8GB)
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 Workstation Z1 G5, Z2 Small Form Factor G4 (SFF) , Z2 Tower G4 non ec
Package Content2 Memory RAM Sticks

商品問答

How much power do the 1.20V DDR4 2666 modules draw when the workstation runs all day?

Each stick operates at 1.20 V, the standard DDR4 voltage, so heat and power draw stay low even during continuous operation.

What must the HP workstation already have to accept this 288-pin DDR4 kit?

The system needs four DDR4 DIMM slots and a 64-bit operating system to use the full 16 GB capacity.

Will the CL19 timing slow down older DDR4 memory I keep in the other two slots?

All installed memory runs at the slowest module’s speed, so existing DDR4 sticks will match this kit’s 2666 MHz CL19 timing.

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