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SK hynix

SK hynix HMT42GR7MFR4C-PB 16GB DDR3 1600 ECC Registered server RAM

SKU CH-J2X1-9MGGE MPN HMT42GR7MFR4C-PB

16 GB DDR3 1600 ECC registered server memory module with CL11 latency and 1.50 V operation

  • Capacity16GB
  • Type240-Pin DDR3 SDRAM
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Voltage1.50V
  • ECCYes
  • 16 GB capacity supports large server workloads
  • Registered ECC design protects data integrity
  • DDR3 1600 speed delivers 12800 MB/s bandwidth
  • CL11 latency at 1.50 V balances responsiveness and stability
  • 240-pin 2RX4 module fits registered DDR3 slots

16GB DDR3 1600 ECC Registered Module

This 16GB DDR3 module runs at 1600 MT/s with a CAS latency of 11. It operates at 1.50V and uses a 240-pin form factor. The registered design adds a buffer for signal integrity in multi-module configurations.

ECC and Registered Buffer

Error-correcting code detects and corrects single-bit errors to protect data integrity. The registered buffer reduces electrical load on the memory controller, allowing larger memory populations in servers. These features change how the module behaves under sustained workloads compared to unbuffered non-ECC alternatives.

Suited for DDR3 server upgrades

This module fits servers that require DDR3 registered ECC memory at 1600 MT/s. It is not for systems that only accept unbuffered memory, non-ECC memory, or a different DDR generation. Buyers needing higher densities per slot or lower voltage operation should look at other specifications.

Highlights

  • 16 GB capacity supports large server workloads
  • Registered ECC design protects data integrity
  • DDR3 1600 speed delivers 12800 MB/s bandwidth
  • CL11 latency at 1.50 V balances responsiveness and stability
  • 240-pin 2RX4 module fits registered DDR3 slots

Specifications

BrandHynix
ModelHMT42GR7MFR4C-PB
Capacity16GB
Type240-Pin DDR3 SDRAM
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
Voltage1.50V
ECCYes
Buffered/RegisteredRegistered
FeaturesReliable, high performance
2RX4
Shipping weight0.09 kg
Package size165 × 51 × 13 mm

Questions about this item

Will the 240-pin DDR3 module need replacement if the server workload grows beyond 16GB capacity?

The module provides 16GB at DDR3 1600 CL11; adding more capacity requires populating additional registered DIMM slots on the motherboard.

What limits sustained throughput on this PC3 12800 registered ECC stick?

The CL11 latency at 1600 MT/s and the registered buffer set the bandwidth ceiling for continuous server workloads.

How much heat and power does the 1.50V 2Rx4 module produce during all-day operation?

At 1.50V the dual-rank DDR3 module draws standard registered DIMM power; adequate chassis airflow keeps temperatures within normal server limits.

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