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Four black DDR5 RDIMM sticks with silver heat spreaders and gold contacts

Kingston Technology Corp.

Kingston Technology Corp. KF548R36RBK4-128 server RAM 128GB (4x32GB) DDR5 4800 CL36 ECC RDIMM

SKU CH-P0KT-GMQ7S MPN KF548R36RBK4-128

128 GB quad-channel DDR5 RDIMM kit with ECC and CL36 latency for registered workstation platforms

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL36
  • Memory timings36-38-38
  • Rated voltage1.1 V
  • Buffer typeRegistered

Capacity 128GB (4 x 32GB)

Speed DDR5 4800 (PC5 38400)

Rank 1Rx4

  • Registered ECC RDIMM protects data integrity in critical workloads
  • DDR5-4800 CL36 delivers high bandwidth for demanding applications
  • Quad-channel 4×32 GB kit scales capacity to 128 GB
  • 10 V operation reduces power draw per module
  • On-die aluminium heat spreader maintains thermal stability under load

Kingston FURY Renegade Pro DDR5 RDIMM kit

This Kingston FURY Renegade Pro kit delivers 128 GB of DDR5 registered ECC memory across four 32 GB modules. It runs at 4800 MHz with CL36 timings and a 1.10 V operating voltage for stable workstation performance.

Workstations needing registered ECC at 128 GB

The quad-channel kit suits creators, engineers and data-science professionals who require registered DDR5 with on-die and multi-bit ECC for data integrity. Systems limited to unbuffered UDIMM slots or lower maximum capacities cannot use this registered memory.

Registered DDR5 RDIMM form factor

Each module is a 288-pin DDR5 RDIMM with 1Rx4 organisation and an integrated heat spreader. Motherboards that only accept unbuffered UDIMMs or lack registered DIMM support will not be compatible with this kit.

How it compares

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

Price $4,184.99
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 $32.70 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 nameKF548R36RBK4-128
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL36
Memory timings36-38-38
ECC supportYes
Buffer typeRegistered
Memory rank1Rx4
Kit configurationQuad Channel Kit
Heat spreaderYes
Power
Rated voltage1.1 V
Size & build
Shipping weight0.09 kg
Package size169 × 105 × 38 mm

Other versions of this model

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Questions about this item

How do I install the 288-pin DDR5 RDIMM modules and which step is often missed?

Align the notch on each 288-pin module with the slot key, press firmly until both retention clips click, and ensure all four modules populate the correct quad-channel slots for the platform.

What maintenance or replacement will the 128GB quad-channel kit need later?

The modules have no moving parts or user-serviceable components; replacement is only required if a module fails or capacity needs exceed the 4x32GB configuration.

What limit appears first under sustained load with CL36 1.10V registered ECC memory?

The registered buffer and ECC logic add latency overhead, so the CL36 timing at 4800 MT/s becomes the bottleneck before thermal limits on the heat spreader.

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