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Two green SO-DIMM sticks with black chips and gold contacts

Computer Memory Solutions

Computer Memory Solutions 64GB (2×32GB) DDR4 3200 CL16 SO-DIMM 260-pin 1.35V D117

SKU CH-7VCN-CZWDS

Dual 32 GB DDR4 SO-DIMM kit running at 3200 MHz CL16 for HP ZBook Firefly G7 and G8 mobile workstations

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL16
  • Memory timings16-18-18
  • Rated voltage1.35 V
  • 64 GB capacity for heavy multitasking and large datasets
  • 3200 MHz DDR4 speed keeps data flowing to the CPU
  • CL16 16-18-18 timings reduce access latency
  • 35 V low-voltage operation saves mobile power
  • Validated for HP ZBook Firefly G7 and G8 workstations

System-specific DDR4 kit

This 64 GB kit contains two 32 GB DDR4 SO-DIMMs built for HP ZBook Firefly G7 and G8 mobile workstations. Each module runs at 3200 MHz with CL16 timing and 1.35 V. The unbuffered, non-ECC design suits professionals who need reliable capacity for demanding workloads on these specific platforms.

Sustained workload behaviour

Matched 2Rx8 ranks allow the memory controller to keep both channels populated for full bandwidth during long rendering or compilation sessions. CL16 latency stays consistent because the modules are validated as a pair, avoiding the slowdown that occurs when mixed speeds force the system to the lowest common denominator.

Thermals and power draw

Operating at 1.35 V keeps heat output low inside the slim 15.6 inch chassis, so the laptop’s existing cooling handles the modules without extra fan noise. The low-voltage DDR4 design draws minimal power, helping battery life during mobile use while delivering 64 GB total capacity across the two available sockets.

How it compares

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

Price $330.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $5.17 per GB
Cheaper than about 74% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Model name2.74 in (6.96 cm)
Total capacity64 GB (2 × 32 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL16
Memory timings16-18-18
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Power
Rated voltage1.35 V
Compatibility
Compatible systemsHP/Compaq ZBook Firefly 15.6 in G8 Mobile Workstation (NVIDIA T500 Graphics), G7 Mobile Workstation, G8 Mobile Workstation

Questions about this item

How much heat does the 1.35V DDR4 3200 kit add when the ZBook Firefly runs all day?

At 1.35V the modules draw little power and generate minimal heat inside the slim 15.6" chassis.

What must the laptop already provide for these two 260-pin SO-DIMMs to work?

The ZBook Firefly G7 or G8 needs two free DDR4 SO-DIMM slots and a 64-bit operating system.

If I keep one original 32GB stick and add this 2×32GB kit, what speed will the memory run?

All installed DDR4 modules will run at the slowest speed among them or the CPU limit.

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