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Green 288-pin DDR4 RDIMM with black chips, gold contacts, silver heatsink sticker

Crucial

Crucial CT16G4RFD424A 16GB DDR4 2400 ECC Registered Server RAM

SKU CH-RTCH-3JPKW MPN CT16G4RFD424A

16 GB DDR4 2400 registered ECC module with CL17 latency and 1.2 V operation for compatible servers

  • Capacity16GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.20V
  • ECCYes
  • ECC protection prevents data corruption in critical workloads
  • Registered signal buffering enables stable operation in multi-module servers
  • DDR4 2400 speed delivers 19200 MB/s bandwidth for demanding applications
  • Low 1.20V voltage reduces power draw and heat output
  • 16GB dual-rank x4 density maximises capacity per DIMM slot

Server-grade capacity

The Crucial CT16G4RFD424A provides 16GB of DDR4 memory for servers and workstations that require error correction and signal buffering. It is built for platforms that cannot use unbuffered consumer modules.

Registered DIMM integration

The 288-pin registered design places a register between the memory controller and the DRAM chips, reducing electrical load on the motherboard. This allows larger memory populations in compatible Intel Xeon and workstation boards.

Steady throughput under load

Operating at DDR4 2400 with CL17 latency and 1.20V, the dual-rank 2Rx4 modules sustain bandwidth during extended compute tasks. ECC circuitry corrects single-bit errors without halting the system.

Highlights

  • ECC protection prevents data corruption in critical workloads
  • Registered signal buffering enables stable operation in multi-module servers
  • DDR4 2400 speed delivers 19200 MB/s bandwidth for demanding applications
  • Low 1.20V voltage reduces power draw and heat output
  • 16GB dual-rank x4 density maximises capacity per DIMM slot

Specifications

BrandCrucial
ModelCT16G4RFD424A
Capacity16GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
FeaturesCompatibility:
ASRock 3U8G C612
ASRock EP2C612D models
ASRock Fata1ty X99 Professional & Killer
ASRock X99 Extreme
ASUS ESC4000 & ESC8000
ASUS RS700-E8-RS
ASUS X99-M WS / X99-E WS
CISCO UCS B200 & C220 series
Dell PowerEdge
Dell Precision 7810, 7910
Fujitsu Primergy BX / CX / RX / TX
GIGABYTE C621, G250, G291, H230, H231, H261, H270, MB10, MD70, MF51, R120, R181, R281, GA-X99 & X299 AORUS, and many more
HP Apollo 4200
HP Workstation Z440, Z640, Z840
HP Proliant DL series, XL series, and others
Hitachi CB520H / CB520X Server Blade
Intel HNS2600 series, R1304W series, R2208WF series, S
Shipping weight0.06 kg
Package size174 × 116 × 8 mm

Questions about this item

How many ranks does the 16 GB module present to the memory controller?

The module is dual-ranked (2Rx4), so the controller sees two ranks per DIMM.

What voltage does the DDR4 2400 registered DIMM draw under load?

It operates at the standard 1.20 V for DDR4 registered memory.

Which CPU socket and chipset combination is required to run this registered ECC DDR4?

A server platform with a 288-pin DDR4 slot and registered ECC support — for example Intel Xeon E5/E7 or Xeon Gold systems listed in the compatibility list.

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