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Green bare circuit board DDR5 RDIMM module 288 pins no heat spreader

Kingston Technology Corp.

Kingston Technology Corp. KSM56R46BD8PMI-48MBI 48GB DDR5-5600 CL46 2Rx8 Registered server RAM

SKU CH-VV71-7EP29 MPN KSM56R46BD8PMI-48MBI

48 GB DDR5-5600 registered ECC DIMM with CL46 latency and 2Rx8 organisation for server workloads

  • Total capacity48 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latencyCL46
  • Memory timings46-45-45
  • Rated voltage1.1 V
  • Buffer typeRegistered

Capacity 48GB

Rank 2Rx8

Model Micron, Full Lock

  • 48 GB capacity supports large server workloads
  • DDR5 5600 MT/s delivers high memory bandwidth
  • Registered signal reduces electrical load on controller
  • On-die ECC corrects data errors internally
  • Dual-rank 2Rx8 organisation increases memory density

48 GB DDR5-5600 Registered ECC Module

This 48 GB DDR5 RDIMM runs at 5600 MHz with CL46 latency and 1.10 V operation. It is built for servers and workstations that require registered, error-correcting memory. The dual-rank 2Rx8 organisation and on-die ECC help maintain data integrity under sustained loads.

Replacing slower or non-ECC DDR5 DIMMs

The jump is worth it when your platform supports DDR5-5600 registered memory and you need the 48 GB capacity per module to reach higher total system memory. If your board only accepts unbuffered UDIMMs or a lower speed grade, this module will not be compatible.

Fits 288-pin DDR5 RDIMM slots without a heat

The low-profile PCB height of 1.23 inches (31.25 mm) eases clearance in dense chassis. It requires a motherboard with registered DDR5 support and a memory controller that can address 2Rx8 modules. No additional cooling hardware is included, so airflow across the modules must be provided by the system.

How it compares

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

Price $655.99
Pricier than about 74% of the 6,523 comparable items (median $188.99).
Total capacity 48 GB
Higher than about 65% of the 6,064 comparable items (median 32 GB).
Price per GB $13.67 per GB
Pricier than about 74% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameKingston
Model nameKSM56R46BD8PMI-48MBI
Total capacity48 GB
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
CAS latencyCL46
Memory timings46-45-45
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Size & build
Shipping weight0.45 kg
Package size178 × 127 × 51 mm

Other versions of this model

5 more in the same range

Questions about this item

Will the 1.23 inch module height clear my server's DIMM slot spacing?

The PCB height is 1.23 inches (31.25 mm), matching the standard DDR5 RDIMM form factor so it fits any 288-pin registered DIMM slot.

What is the correct alignment step when seating this 288-pin DDR5 RDIMM?

Align the single offset notch on the gold edge connector with the key in the slot, press straight down until both retention clips click — do not angle the module.

When should I consider replacing this 48 GB DDR5-5600 module?

Replace it if the system logs uncorrectable ECC errors, fails memory training at 5600 MT/s, or shows physical damage to the 288-pin edge connector.

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