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Two black DDR5 modules with matte aluminium heatspreaders and RGB light bars

G.SKILL

G.SKILL F5-6400J3239G32GX2-RM5RK Ripjaws M5 RGB 64GB (2×32GB) DDR5 6400 CL32 desktop RAM

SKU CH-NVJJ-TEQ0E MPN F5-6400J3239G32GX2-RM5RK

A 64 GB dual-channel DDR5 kit running at 6400 MT/s with CL32 timings, 1.40 V operation, Intel XMP 3.0 support and customizable RGB lighting

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • CAS latencyCL32
  • Memory timings32-39-39-102
  • Rated voltage1.4 V
  • Kit configurationDual Channel Kit

Capacity 64GB (2 x 32GB)

Speed DDR5 6400 (PC5 51200)

CAS Latency CL32

Color Black

  • 64 GB dual-channel capacity enables smooth multitasking and heavy workloads
  • DDR5 6400 speed delivers high bandwidth for demanding applications
  • CL32 32-39-39-102 timings provide low latency response
  • Intel XMP 3.0 profile allows one-click overclock configuration
  • Customizable RGB lighting syncs with major motherboard software

Kit composition and audience

This G.SKILL Ripjaws M5 RGB kit delivers 64GB of DDR5 memory in two 32GB modules. It targets gamers and PC enthusiasts who want high-speed capacity with customizable lighting.

Platform checks before ordering

Verify that your motherboard supports DDR5 6400 with Intel XMP 3.0 profiles and can supply 1.40V to the memory slots. Confirm the board has four 288-pin slots if you plan to populate all channels.

Thermals noise and power

Aluminum heatspreaders on each module dissipate heat during sustained loads at CL32 32-39-39-102 timings. The memory operates silently with no moving parts. Power draw scales with the 1.40V operating voltage under XMP 3.0.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $733.99
Pricier than about 90% of the 3,647 comparable items (median $90.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 90% of the 3,251 comparable items (median 16 GB).
Price per GB $11.47 per GB
Pricier than about 73% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameG.SKILL
Product lineRipjaws M5 RGB Series
Model nameF5-6400J3239G32GX2-RM5RK
Part numberF5-6400J3239G32GX2-RM5RK
Total capacity64 GB (2 × 32 GB)
Product type288-Pin PC RAM
Product colorBlack
Performance
Rated speedDDR5 6400 (PC5 51200)
Memory
CAS latencyCL32
Memory timings32-39-39-102
ECC supportNo
Kit configurationDual Channel Kit
Memory profilesIntel XMP 3.0
Heat spreaderYes
Power
Rated voltage1.4 V
Size & build
Shipping weight0.16 kg
Package size159 × 140 × 13 mm
Compatibility
Recommended forIntel 700 Series Chipset
13th/14th Gen Intel Core Desktop Processors
More details
LED lightingRGB

Other versions of this model

5 more in the same range

Questions about this item

What is included in the box and do I need to buy any cables or software separately?

The box contains two 32 GB DDR5 modules with black aluminum heatspreaders and built-in RGB LEDs. No extra cables or software licences are required; lighting is controlled through Asus Aura, Gigabyte RGB Fusion, MSI Mystic Light or ASRock Polychrome Sync already on the motherboard.

Should I choose this 64 GB dual-channel kit or look for a different capacity?

This kit provides 64 GB total as two matched 32 GB sticks running at DDR5 6400 CL32 32-39-39-102 1.40 V. Select it when the board has four slots and you want 64 GB in two slots, leaving room for later expansion; pick a 32 GB kit if 64 GB exceeds the workload.

What does the DDR5 6400 CL32 rating deliver once the kit is installed?

With Intel XMP 3.0 enabled on a 700-series chipset and 13th or 14th Gen Core CPU, the modules run at 6400 MT/s with timings 32-39-39-102 at 1.40 V, giving the rated bandwidth and latency without manual tuning.

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