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Green circuit board with black memory chips and gold edge connector

SK hynix

SK hynix HMT42GR7AFR4A-PB 16GB DDR3 1600 ECC Registered

SKU CH-WN7B-6KM9X

16 GB DDR3 1600 ECC registered DIMM with 2Rx4 organisation

  • Total capacity16 GB
  • 16 GB capacity for demanding workloads
  • DDR3 1600 MHz speed for responsive data access
  • ECC registered design protects data integrity
  • 2Rx4 PC3L-12800R organisation for server-grade density

16GB DDR3 1600 ECC Registered Module

This 16GB DDR3 module runs at 1600 MT/s with ECC and registered signalling for data-integrity workloads. The dual-rank 2Rx4 organisation fits standard DDR3 DIMM slots in servers and workstations. It is built for systems that require error correction and registered command buffering. Buyers who need non-ECC unbuffered memory for consumer desktops should look elsewhere.

PC3L-12800R Low-Voltage Operation

The PC3L-12800R rating indicates 1.35 V operation, reducing power draw compared with standard 1.5 V DDR3. ECC detects and corrects single-bit errors while the registered buffer eases electrical load on the memory controller. No additional accessories or software are bundled with the module. Systems that cannot accept 1.35 V registered DIMMs will not be compatible.

How it compares

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

Price $45.99
Cheaper than about 68% of the 3,647 comparable items (median $90.99).
Total capacity 16 GB
Typical for this category: the median of 3,251 items is 16 GB.
Price per GB $2.87 per GB
Cheaper than about 92% of the 3,251 comparable items (median $6.75 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameHynix Semiconductor
Total capacity16 GB

Questions about this item

Will the registered ECC function on this 16GB DDR3 module require any firmware updates or component replacements over time?

The registered ECC circuitry is built into the module hardware and operates without firmware; no user-serviceable parts or scheduled replacements are needed for the memory itself.

What thermal or electrical limit appears first when this PC3L-12800R kit runs at 1600 MT/s continuously?

Sustained operation at 1600 MT/s is constrained by the DDR3 JEDEC thermal envelope; the module will throttle or trigger system safeguards before any electrical rating is exceeded.

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