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Green rectangular DDR5 RDIMM module with black chips and gold edge connector

Supermicro

Supermicro MEM-DR516L-SL02-ER48 16GB DDR5 4800 RDIMM server RAM

SKU CH-NF7M-7G5FN MPN MEM-DR516L-SL02-ER48

16 GB DDR5 4800 ECC registered RDIMM with CL40 latency and 1.10 V operation

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetSamsung Chipset
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 16 GB DDR5 4800 capacity for high-density server workloads
  • ECC registered design detects and corrects single-bit errors automatically
  • CL40 CAS latency keeps response times tight under load
  • 10 V operating voltage reduces power draw per module
  • Samsung chipset with 1Rx8 rank layout for stable signal integrity

16GB DDR5 4800 RDIMM

This 16GB DDR5 4800 RDIMM provides ECC registered memory for server platforms that require error correction and registered buffering. The module operates at 1.10V with a CAS latency of CL40 and uses a 1Rx8 rank configuration built on Samsung chipset. It is suited for administrators deploying standard-density memory in compatible DDR5 server systems.

Thermals and power

The module runs at the standard DDR5 voltage of 1.10V, which helps limit power draw per DIMM in typical server workloads. Registered buffering reduces electrical loading on the memory controller, contributing to stable operation in multi-DIMM configurations. Passive cooling via chassis airflow is the expected thermal path for this form factor.

Sustained load behaviour

Under sustained load the registered design and on-die ECC maintain data integrity across extended compute cycles. The CL40 timing at 4800 MT/s delivers consistent bandwidth for memory-bound server applications. The 1Rx8 organisation supports predictable latency scaling when all channels are populated.

How it compares

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

Price $97.99
Cheaper than about 70% 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 $6.12 per GB
Cheaper than about 62% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameSuperMicro
Model nameMEM-DR516L-SL02-ER48
Total capacity16 GB
Product typeRDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetSamsung Chipset
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank1Rx8
Power
Rated voltage1.1 V
Size & build
Shipping weight0.09 kg
Package size229 × 165 × 41 mm

Questions about this item

How do I install this 1Rx8 DDR5 RDIMM in a server motherboard and what step is often missed?

Align the single notch on the 16 GB module with the slot key, press down until both latches click, then verify the BIOS registers 4800 MT/s at 1.10 V — skipping the latch check is the common error.

What maintenance or replacement will this Samsung-chipset ECC RDIMM need during its service life?

No scheduled maintenance is required; if a correctable error count climbs or the module fails POST, replace the individual 16 GB stick — DDR5 on-die ECC handles transient faults transparently.

What limit appears first when this CL40 registered DDR5 runs sustained workloads?

The JEDEC 1.10 V operating voltage and CL40 latency set the thermal and timing envelope; prolonged full-load use will hit the module’s rated voltage-temperature boundary before bandwidth saturates.

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