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Green 288-pin DDR4 RDIMM module with black chips

SK hynix

SK hynix HMA41GR7MFR4N-TF DDR4 2133 8GB ECC Registered RDIMM memory upgrade

SKU CH-FGVZ-VM1X7

8GB DDR4 2133 ECC registered RDIMM, single-rank 1Rx4 at 1.2V CL15 for Cisco UCS C240 M4 servers

  • Capacity8GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.20V
  • ECCYes
  • ECC protection guards data integrity in server workloads
  • Registered design stabilises signal for 24/7 operation
  • 2133 MHz speed delivers PC4-17000 bandwidth
  • 20 V DDR4 voltage reduces power draw
  • Single-rank 1Rx4 layout fits Cisco UCS C240 M4

Server-grade DDR4 ECC RDIMM

This SK hynix HMA41GR7MFR4N-TF module provides 8 GB of registered DDR4 memory rated at 2133 MT/s with a CAS latency of 15. It operates at 1.2 V and uses a 1Rx4 organisation with on-die ECC for data integrity in server and workstation environments. The 288-pin RDIMM form factor is designed exclusively for compatible enterprise platforms.

Verify registered DDR4 slot support

Confirm that your system accepts registered ECC DDR4 RDIMMs and cannot use unbuffered desktop modules. The motherboard or server chassis must support 1.2 V DDR4-2133 operation and provide 288-pin RDIMM slots. Mixing registered and unbuffered DIMMs is not supported and will prevent boot.

Steady throughput under load

Registered buffering reduces electrical load on the memory controller, allowing sustained data rates during continuous multi-threaded workloads. ECC correction handles single-bit errors without interrupting operation, maintaining consistent bandwidth for virtualisation, database or compute tasks over long periods.

Highlights

  • ECC protection guards data integrity in server workloads
  • Registered design stabilises signal for 24/7 operation
  • 2133 MHz speed delivers PC4-17000 bandwidth
  • 20 V DDR4 voltage reduces power draw
  • Single-rank 1Rx4 layout fits Cisco UCS C240 M4

Specifications

BrandSK hynix
ModelHynix HMA41GR7MFR4N-TF
Capacity8GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
Compatible SystemFor Server, Not For PC

Questions about this item

Does the HMA41GR7MFR4N-TF RDIMM ship as a single 8 GB module or as a kit?

The module is supplied as a single 288-pin DDR4 RDIMM with 8 GB capacity; no additional sticks are included.

Should I choose the 1Rx4 registered ECC version or a different rank for my Cisco UCS C240 M4?

This 1Rx4 registered ECC DIMM matches the Cisco UCS C-Series C240 M4 qualification listed by the supplier.

What does the 2133 MHz (PC4-17000) rating deliver in a server running at 1.2 V?

At 1.2 V the module runs at DDR4-2133 with CL15 latency, providing the rated PC4-17000 bandwidth in qualified server platforms.

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