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Four black DDR5 RDIMMs with silver heat spreaders, quad-channel kit

Kingston Technology Corp.

Kingston Technology Corp. KF564R32RBK4-128 128GB (4x32GB) DDR5-6400 CL32 ECC Registered Server RAM

SKU CH-1N3S-2KFYW MPN KF564R32RBK4-128

128 GB quad-channel DDR5 RDIMM kit with ECC, registered signal processing and 6400 MHz speed for workstation reliability

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • CAS latencyCL32
  • Memory timings32-39-39
  • Rated voltage1.35 V
  • Buffer typeRegistered

Capacity 128GB (4 x 32GB)

Speed DDR5 6400 (PC5 51200)

Rank 1Rx4

  • 128 GB total capacity from four 32 GB modules
  • DDR5-6400 speed with CL32 latency for fast data access
  • ECC and registered design protects data integrity
  • Intel XMP 3.0 profile enables automatic overclocking
  • 288-pin RDIMM form factor fits compatible server boards

Server DDR5 RDIMM kit for workstations

This Kingston Fury Renegade Pro kit delivers 128 GB across four 32 GB DDR5-6400 registered DIMMs with ECC and CL32 timings. It targets creators, engineers and data-science professionals who need high throughput without sacrificing data integrity on Intel or AMD platforms that require RDIMMs.

Registered ECC with on-die error correction

Each module uses 1Rx4 organisation and registered signalling to maintain stability at 6400 MHz while multi-bit ECC detects and corrects errors beyond the on-die single-bit correction built into every DDR5 component. The XMP 3.0 profile lets the system apply validated timings and voltage automatically.

288-pin RDIMM installation notes

Modules install in standard DDR5 RDIMM slots; the integrated heat spreader adds height, so verify cooler clearance before seating all four sticks. Populate slots according to the motherboard manual to enable quad-channel operation and ensure the XMP profile loads at the rated 1.35 V.

How it compares

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

Price $4,000.99
Pricier than about 90% of the 6,523 comparable items (median $188.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $31.26 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameKingston
Product lineFury Renegade Pro
Model nameKF564R32RBK4-128
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Memory
CAS latencyCL32
Memory timings32-39-39
ECC supportYes
Buffer typeRegistered
Memory rank1Rx4
Kit configurationQuad Channel Kit
Memory profilesIntel XMP 3.0
Heat spreaderYes
Power
Rated voltage1.35 V
Size & build
Shipping weight0.11 kg
Package size168 × 104 × 38 mm

Other versions of this model

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Questions about this item

Will the 1.35V DDR5-6400 modules need any firmware updates or replacement parts over time?

The kit runs at 1.35V with Intel XMP 3.0 profiles; no firmware updates or replacement parts are required for normal operation.

What limits sustained throughput first on these CL32 1Rx4 RDIMMs?

The CL32-39-39 timings at DDR5-6400 set the latency floor that appears before bandwidth saturation under continuous load.

How much heat and noise do four 32GB registered DIMMs produce running all day?

Integrated heat spreaders dissipate heat silently; the modules add no audible noise and draw 1.35V within standard DDR5 power limits.

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