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Two black DDR5 SO-DIMM modules with silver heatspreaders and gold contacts

G.SKILL

G.SKILL Ripjaws F5-4800S4039A32GX2-RS 64GB (2x32GB) DDR5 4800 CL40 laptop RAM

SKU CH-CKZB-GXK0Q MPN F5-4800S4039A32GX2-RS

A 64GB dual-channel DDR5 SO-DIMM kit running at 4800MT/s with CL40 latency at 1.10V

  • Capacity64GB (2 x 32GB)
  • Type262-Pin DDR5 SO-DIMM
  • SpeedDDR5 4800 (PC4 38400)
  • CAS LatencyCL40
  • Timing40-39-39-76
  • Voltage1.10V

Capacity 64GB (2 x 32GB)

Speed DDR5 4800 (PC4 38400)

CAS Latency CL40

  • 64 GB dual-channel kit for high-capacity multitasking
  • DDR5 4800 speed for fast data transfer
  • CL40 latency with 40-39-39-76 timings
  • 10 V operation for improved energy efficiency
  • 262-pin SO-DIMM form factor fits compatible laptops

Ideal DDR5 laptop upgrade

This 64GB dual-channel kit contains two 32GB SO-DIMM modules built for laptops and small form-factor PCs. It delivers DDR5 4800 speeds with CL40 latency at 1.10V for efficient high-speed performance. The kit targets Intel 600 Series platforms requiring unbuffered non-ECC memory.

Matched kit stability

Modules are screened and binned together to run as a matched set with 40-39-39-76 timings. The manufacturer warns against mixing this kit with other memory to avoid stability issues or system failure. Using the paired modules ensures reliable operation at the rated specification.

262-pin DDR5 form factor

The 262-pin SO-DIMM interface determines physical compatibility with DDR5 laptop slots only. It will not fit DDR4 or older sockets. Verify your platform accepts 262-pin DDR5 SO-DIMMs before purchase.

Points forts

  • 64 GB dual-channel kit for high-capacity multitasking
  • DDR5 4800 speed for fast data transfer
  • CL40 latency with 40-39-39-76 timings
  • 10 V operation for improved energy efficiency
  • 262-pin SO-DIMM form factor fits compatible laptops

Caractéristiques

BrandG.SKILL
SeriesRipjaws SO-DIMM
ModelF5-4800S4039A32GX2-RS
Capacity64GB (2 x 32GB)
Type262-Pin DDR5 SO-DIMM
SpeedDDR5 4800 (PC4 38400)
CAS LatencyCL40
Timing40-39-39-76
Voltage1.10V
ECCNo
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
FeaturesDo not mix memory kits. Memory kits are sold in matched kits that are designed to run together as a set. Mixing memory kits will result in stability issues or system failure.
Memory kits will boot at the SPD speed at default BIOS settings with compatible hardware.
Usage in any manner inconsistent with manufacturer specifications, warnings, designs, or recommendations will result lower speeds, system instability, or damage to the system or its components
Recommend UseIntel 600 Series
Poids d’expédition0.05 kg
Dimensions du colis160 × 140 × 13 mm

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Questions sur cet article

Will the 262-pin DDR5 modules need any firmware updates or re-timing after installation?

No firmware updates are required; the kit runs at its rated DDR5 4800 CL40 40-39-39-76 timings and 1.10V from the SPD profile.

What limits sustained throughput first — the 4800 MT/s data rate or the CL40 latency?

The 4800 MT/s transfer rate sets the peak bandwidth ceiling; CL40 40-39-39-76 timings determine access latency within that bandwidth.

How much heat and power does the 64 GB dual-channel kit produce at 1.10 V during all-day workloads?

Operating at 1.10 V keeps power draw low; the unbuffered DDR5 SO-DIMMs run cool enough for typical laptop thermal envelopes.

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