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Four black DDR5 RDIMM modules with heat spreaders

Kingston Technology Corp.

Kingston Technology Corp. KF556R28RBE2K4-128 128GB (4 x 32GB) DDR5 5600 CL28 RDIMM server RAM

SKU CH-MGFH-9FZF4 MPN KF556R28RBE2K4-128

128 GB registered DDR5 kit with ECC, CL28 latency and AMD EXPO profile for workstation stability

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latencyCL28
  • Memory timings28-34-34
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • 128 GB total capacity across four 32 GB modules for large workloads
  • DDR5 5600 MT/s speed with CL28 latency for fast data access
  • Registered ECC RDIMM design protects data integrity in servers
  • AMD EXPO profile enables automatic overclock configuration
  • 35 V operation balances performance with power efficiency

128GB DDR5 RDIMM Kit

This Kingston Fury Renegade Pro kit supplies 128GB across four 32GB registered DDR5 modules. It targets workstations and high-end desktops that require ECC data integrity and registered signal buffering for stable operation under heavy workloads.

For ECC Workstations Not Gaming Rigs

Suited for creators, engineers and data-science professionals who need overclockable registered DIMMs with AMD EXPO profiles. Not for consumer boards that only accept unbuffered memory or systems that cannot run registered modules.

5600MT/s CL28 Registered Speed

The kit runs at DDR5-5600 with 28-34-34 timings at 1.35V using dual-rank 2Rx8 organisation. Verify that your motherboard supports registered DDR5 and EXPO profiles before purchase.

How it compares

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

Price $3,390.99
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 $26.49 per GB
Pricier than about 88% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameKingston
Product lineFury Renegade Pro
Model nameKF556R28RBE2K4-128
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
CAS latencyCL28
Memory timings28-34-34
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Memory profilesAMD EXPO
Heat spreaderYes
Power
Rated voltage1.35 V
Size & build
Shipping weight0.09 kg
Package size170 × 102 × 36 mm

Questions about this item

How much heat and power should I expect from four 32GB DDR5 5600 CL28 RDIMMs running continuously?

Each module operates at 1.35V with a black heat spreader; the kit totals 128GB of 2Rx8 registered ECC DDR5, so sustained load will draw more power than standard JEDEC 1.1V DDR5 but the spreaders help dissipate the extra heat.

What motherboard feature must I already have to use the AMD EXPO profile on this Fury Renegade Pro kit?

You need a workstation or high-end desktop motherboard that supports DDR5 RDIMMs and exposes AMD EXPO profiles in the BIOS for automatic 5600MT/s CL28 configuration.

Can I mix these 2Rx8 registered ECC DDR5 modules with older single-rank unbuffered DDR5 DIMMs in the same system?

No — registered ECC RDIMMs and unbuffered UDIMMs use different signalling and cannot be installed together; all slots must be populated with identical registered ECC modules.

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