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Green rectangular circuit board with gold edge contacts and black memory chips

A-Tech

A-Tech Supermicro Certified MEM-DR416LD-ER26 16GB DDR4 2666MHz ECC RDIMM server RAM

SKU CH-E0N4-CBCBE

16 GB DDR4 2666 MHz ECC registered RDIMM module, Supermicro certified for server reliability

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMicron Chipset
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • 16 GB capacity expands server workload headroom
  • DDR4 2666 MHz speed accelerates data throughput
  • CL19 CAS latency optimises access timing
  • ECC registered design protects data integrity
  • Supermicro certification validates platform compatibility

Certified Supermicro Server Memory

This 16 GB DDR4 module carries Supermicro certification for MEM-DR416LD-ER26 and uses Micron chips to deliver registered ECC reliability. It targets administrators upgrading or repairing validated Supermicro platforms that require registered DIMMs.

2666 MHz CL19 Registered ECC

The module runs at 2666 MHz (PC4-21300) with CL19 latency at 1.20 V, providing the exact registered ECC specification that decides compatibility. Dual-rank 2Rx8 organisation and 288-pin RDIMM form factor must match the motherboard's qualified-vendor list.

Fits Qualified Supermicro Slots

Installation requires an open 288-pin DDR4 RDIMM slot on a board that lists MEM-DR416LD-ER26 or MTA18ASF2G72PDZ-2G6E1 in its QVL. The registered buffer and ECC function free the memory controller from parity duties, but the module will not work in consumer desktop boards or unbuffered DIMM slots.

How it compares

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

Price $137.99
Cheaper than about 58% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $8.62 per GB
Pricier than about 61% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameSuperMicro
Product lineSupermicro Certified
Model nameMEM-DR416LD-ER26
Total capacity16 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMicron Chipset
Memory
CAS latencyCL19
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Power
Rated voltage1.2 V

Questions about this item

What real-world speed does the 2666 MHz rating deliver in a server?

The module operates at 2666 MT/s with CL19 latency; actual data rate depends on the platform's memory controller and channel configuration.

How does the PC4-21300 designation limit bandwidth on a DDR4 system?

PC4-21300 certifies 2666 MT/s operation at 1.2 V; peak throughput is capped by the memory controller and number of populated channels.

Will the 288-pin RDIMM fit a standard DDR4 server DIMM slot?

Yes, the 288-pin registered form factor matches the DDR4 RDIMM socket used in compatible Supermicro and other server platforms.

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