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

Kingston Technology Corp.

Kingston Technology Corp. KF548R36RBK8-128 128GB (8 x 16GB) DDR5 RDIMM server RAM

SKU CH-3FDD-ARZKT MPN KF548R36RBK8-128

Eight 16 GB DDR5 RDIMM modules deliver 128 GB of registered ECC memory at 4800 MHz with CL36 latency

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL36
  • Memory timings36-38-38
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • High-capacity 128 GB kit handles heavy workloads
  • Registered DDR5 design improves signal integrity
  • ECC support protects data against errors
  • 4800 MHz speed with CL36 latency for quick access
  • Eight 16 GB modules with heat spreaders included

Registered DDR5 RDIMM kit

Kingston FURY Renegade Pro KF548R36RBK8-128 is a 128GB kit built from eight 16GB DDR5 RDIMM modules. Registered signal processing and on-board ECC provide the data integrity required by workstations and servers. The kit runs at 4800 MHz with CL36 timings at 1.10 V.

Suited for registered-DIMM platforms only

This memory fits Intel or AMD workstation and high-end desktop platforms that require DDR5 Registered DIMMs. Builders whose boards accept only unbuffered UDIMMs cannot use these modules. Users needing capacities beyond 128GB should look at larger kits.

Registered ECC at DDR5-4800

The decisive specification is the registered DDR5 RDIMM interface combined with ECC at 4800 MHz. Verify that your motherboard and CPU explicitly support registered DDR5 RDIMMs before purchase.

How it compares

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

Price $2,655.99
Pricier than about 90% of the 6,523 comparable items (median $188.99).
Total capacity 128 GB (8 × 16 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $20.75 per GB
Pricier than about 82% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameKingston
Product lineFury Renegade Pro
Model nameKF548R36RBK8-128
Total capacity128 GB (8 × 16 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL36
Memory timings36-38-38
ECC supportYes
Buffer typeRegistered
Memory rank1Rx8
Heat spreaderYes
Power
Rated voltage1.1 V
Size & build
Shipping weight0.15 kg
Package size160 × 104 × 35 mm

Questions about this item

Should I choose the 128GB kit with eight 16GB modules or a smaller capacity for my workstation?

The kit provides 128GB total across eight 16GB DDR5-4800 RDIMMs, giving maximum capacity for multi-threaded workloads on platforms that support eight registered DIMM slots.

What does the 4800 MHz speed deliver once installed in a real machine?

At DDR5-4800 with CL36 timings, the modules transfer data at the PC5-38400 rate, providing high bandwidth for compute-intensive tasks while registered signalling maintains stability across all eight slots.

How does the DDR5 RDIMM interface and ECC affect what the memory can do in practice?

The 288-pin DDR5 RDIMM design includes on-die ECC plus module-level ECC for multi-bit error correction, and registered buffering allows the memory controller to drive eight modules reliably at 1.10V.

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