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Four black DDR5 desktop memory modules with low-profile heat spreaders

Kingston Technology Corp.

Kingston Technology Corp. KF552C40BBK4-128 FURY Beast 128GB (4×32GB) DDR5-5200 CL40 desktop RAM

SKU CH-972S-WHQ20 MPN KF552C40BBK4-128

A 128 GB quad-channel DDR5 kit running at 5200 MT/s with CL40 timing and 1.25 V for high-capacity desktop workloads

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 5200 (PC5 41600)
  • CAS latencyCL40
  • Memory timings40-40-40
  • Rated voltage1.25 V
  • Kit configurationQuad Channel Kit
  • 128 GB quad-channel kit for high-capacity workloads
  • DDR5-5200 speed with PC5-41600 bandwidth for fast data transfer
  • CL40 40-40-40 timings for responsive system performance
  • 25 V operating voltage for efficient power use
  • Intel XMP 3.0 profile for simple one-click overclocking

128GB quad-channel kit for DDR5 systems

This Kingston FURY Beast kit delivers 128GB across four 32GB modules running at DDR5-5200 with CL40 timings at 1.25V. It targets enthusiasts and professionals who need maximum capacity on mainstream desktop platforms.

Suits high-capacity DDR5 builds.

The quad-channel layout and 128GB total capacity suit workstations and high-end gaming rigs running memory-intensive workloads. Builders using platforms limited to two slots or lower maximum memory should consider smaller kits instead.

Intel XMP 3.0 profile at DDR5-5200 CL40

The kit ships with an Intel XMP 3.0 profile rated for 5200 MT/s at 40-40-40 timings and 1.25V. This single specification determines whether the modules will run at their rated speed on a given motherboard and CPU combination.

How it compares

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

Price $1,906.99
Pricier than about 90% of the 3,647 comparable items (median $90.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 93% of the 3,251 comparable items (median 16 GB).
Price per GB $14.90 per GB
Pricier than about 86% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameKingston
Product lineFURY Beast
Model nameKF552C40BBK4-128
Total capacity128 GB (4 × 32 GB)
Product type288-Pin PC RAM
Product colorBlack
Performance
Rated speedDDR5 5200 (PC5 41600)
Memory
CAS latencyCL40
Memory timings40-40-40
Kit configurationQuad Channel Kit
Memory profilesIntel XMP 3.0
Power
Rated voltage1.25 V
Size & build
Shipping weight0.09 kg
Package size178 × 51 × 13 mm
Compatibility
Recommended forAMD & Intel Compatible / AMD 500 Series / AMD B550 / AMD B650 / AMD Ryzen Compatible / AMD X570 / AMD X670 / High Performance or Gaming Memory / Intel 500 Series / Intel 600 Series / Intel 700 Series / Intel B560 / Intel B660 / Intel B670 / Intel B760 / Intel Compatible / Intel Z590 / Intel Z690 / Intel Z790
More details
LED lightingNone

Questions about this item

Does the 1.25V operating voltage limit headroom for sustained high-load stability?

The modules run at 1.25V as standard; Intel XMP 3.0 lets the BIOS apply the validated 5200 MT/s profile without manual voltage changes.

How much heat do the four 32GB sticks produce when the system runs all day?

Black heatspreaders on each 2Rx8 module dissipate heat passively; no onboard LEDs add extra thermal load.

Which motherboard chipsets from the supported list are required to run this quad-channel kit at 5200 MT/s?

AMD 500, B550, B650, X570, X670 or Intel 500, 600, 700 series with four DDR5 slots and XMP 3.0 support.

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