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Eight black DDR5 RDIMM modules with metal heat spreaders in a row

Kingston Technology Corp.

Kingston Technology Corp. KF556R36RBK8-256 Server RAM 256GB (8x32GB) DDR5-5600 CL36 ECC Registered

SKU CH-RN04-DG3SK MPN KF556R36RBK8-256

Eight 32 GB registered DDR5 modules deliver 256 GB at 5600 MHz with CL36 ECC for workstation stability

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latencyCL36
  • Memory timings36-38-38
  • Rated voltage1.25 V
  • Buffer typeRegistered
  • 256 GB octo-channel kit handles massive workloads
  • DDR5-5600 CL36 registered ECC ensures data integrity
  • Eight 32 GB modules with 288-pin RDIMM form factor
  • 25 V operation with 36-38-38 timings for stability
  • On-die ECC plus module-level ECC corrects multi-bit errors

Kingston FURY Renegade Pro DDR5 RDIMM Kit

This 256GB kit contains eight 32GB DDR5-5600 CL36 registered ECC modules built for workstations and high-end desktops that require registered DIMMs. The modules run at 1.25V with 36-38-38 timings and include heat spreaders for thermal management.

Upgrade from standard JEDEC DDR5 RDIMMs

The kit delivers 5600 MT/s speed with overclockable profiles, replacing slower registered memory when data integrity and throughput matter for rendering, simulation or large dataset workloads. The jump is worth it when your platform supports DDR5 RDIMMs and you need both ECC protection and enthusiast-class frequency headroom.

Suits creators, engineers

Professionals who need 256GB of registered ECC memory with overclocking flexibility will benefit. Buyers whose systems only accept unbuffered UDIMMs or who require capacities beyond 256GB should look elsewhere.

How it compares

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

Price $7,514.99
Pricier than about 91% of the 6,523 comparable items (median $188.99).
Total capacity 256 GB (8 × 32 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $29.36 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 nameKF556R36RBK8-256
Total capacity256 GB (8 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
CAS latencyCL36
Memory timings36-38-38
ECC supportYes
Buffer typeRegistered
Kit configurationOcto-Channel
Heat spreaderYes
Power
Rated voltage1.25 V
Size & build
Shipping weight0.18 kg
Package size160 × 100 × 36 mm

Questions about this item

Will the 288-pin DDR5 RDIMM modules fit a standard server DIMM slot?

Yes, each 32 GB module uses the industry-standard 288-pin DDR5 RDIMM form factor and installs in any compatible registered DIMM slot.

How do I install the eight-module kit so the octo-channel architecture works correctly?

Populate all eight slots of the same memory controller following the motherboard manual’s channel population order; the common mistake is leaving a channel empty or mixing slots across controllers.

When should the registered ECC modules be replaced or tested for errors?

Run a full memory diagnostic at build time and after any firmware update; replace a module only if the system logs report uncorrectable ECC errors or the diagnostic fails consistently.

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