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Compare G.Skill RipJaws S5 Series 64GB (2 x 32GB) DDR5 5600 Matte Black vs Kingston Fury Beast 128GB (2x64GB) DDR5 5600 CL40

G.Skill RipJaws S5 Series 64GB (2 x 32GB) DDR5 5600 Matte Black and Kingston Fury Beast 128GB (2x64GB) DDR5 5600 CL40 are both memory with the same Speed (DDR5-5600 MHz) and Voltage (1.25 V). The main differences are in Size, CAS Latency, Timing and First Word Latency.

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G.Skill RipJaws S5 Series 64GB (2 x 32GB) DDR5 5600 Matte Black

Kingston Fury Beast 128GB (2x64GB) DDR5 5600 CL40

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Brand

G.Skill

Brand

Kingston

Model

F5-5600J3636D32GA2-RS5K

Model

KF556C40BBK2-128

Release Date

-

Release Date

📅 May 2025

* First availability for purchase, it may not correspond to the actual market launch date.

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Price history

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Price history

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Price/GB

-

Price/GB

$3.04

GB/$1

-

GB/$1

0.33

Samsung B-Die

No

Samsung B-Die

No

Compatible PC parts

Motherboards ►

Compatible PC parts

Motherboards ►

Type

288-pin DDR5 DIMM

Type

288-pin DDR5 DIMM

Speed

DDR5-5600 MHz

Speed

DDR5-5600 MHz

Size

64GB (2 x 32GB)

Size

128GB (2 x 64GB)

CAS Latency

36

CAS Latency

40

Timing

36-36-36-89

Timing

40-40-40

First Word Latency

12.85 ns

First Word Latency

14.28 ns

Voltage

1.25 V

Voltage

1.25 V

Heat Spreader

Yes

Heat Spreader

Yes

ECC Support

No

ECC Support

No

Color

-

Color

Black

Options (1)

G.Skill RipJaws S5 Series 64GB (2 x 32GB) DDR5 5600 Matte White

matte white
$874.99

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Comparison and key differences summary

Reasons to buy the G.Skill RipJaws S5 Series 64GB (2 x 32GB) DDR5 5600 Matte Black:

Less CAS latency (-4)
Better first word latency (-1.43 ns)

Reasons to buy the Kingston Fury Beast 128GB (2x64GB) DDR5 5600 CL40:

More Capacity (+64 GB available)

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