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Green rectangular DDR4 RDIMM module with black chips on both sides and gold contacts along the bottom edge

OWC

OWC 16GB DDR4 2400 CL17 ECC Registered RDIMM 2Rx8 1.2V server RAM

SKU CH-HM23-N9G7V

16 GB DDR4 2400 CL17 ECC registered RDIMM for servers, workstations and NAS systems

  • Total capacity16 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • CAS latencyCL17
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx8
  • 16 GB ECC registered memory protects server data integrity
  • DDR4 2400 MHz CL17 speed matches Kingston KVR24R17D8/16MA spec
  • 2 V low voltage reduces power draw in dense racks
  • 288-pin RDIMM 2Rx8 form factor fits workstation and NAS slots
  • JEDEC and RoHS compliant for warranty-safe upgrades

Server-grade ECC RDIMM for workstations and NAS

This 16GB DDR4 module runs at 2400MHz with CL17 latency and a registered buffer. It targets administrators upgrading servers, workstations or compatible NAS systems that require ECC registered memory. The stick will not function in standard desktop boards and cannot be mixed with unbuffered modules.

Passive cooling and low-voltage operation

No heat spreader is fitted so the module relies on chassis airflow alone. At 1.2V the part draws minimal power and adds no active noise to the system. Thermal performance therefore depends entirely on the host enclosure's ventilation design.

288-pin registered layout with JEDEC compliance

The 2Rx8 organisation fits any DDR4 RDIMM slot wired for registered ECC. JEDEC and RoHS compliance mean the module meets industry electrical and environmental standards. Buyers needing unbuffered ECC or non-ECC memory for consumer platforms cannot use this product.

How it compares

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

Price $111.99
Cheaper than about 65% 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 $7.00 per GB
Typical for this category: the median of 6,064 items is $7.25 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 nameOWC
Part number2R4D42R816 GB
Total capacity16 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 2400 (PC4 19200)
Memory
CAS latencyCL17
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V

Questions about this item

How do I install the 288-pin DDR4 ECC Registered RDIMM and what step do people often miss?

Align the notch on the 288-pin module with the slot key, press firmly until both retention clips click, and verify the server BIOS recognises the 16GB capacity at 2400MHz; the step most often missed is confirming the platform requires registered ECC memory and will not accept unbuffered DIMMs.

What maintenance or replacement will this 16GB DDR4 2400 CL17 module need over its service life?

No scheduled maintenance is required; keep the server air-path clean so the 1.2V modules stay within thermal limits, and replace only if memory diagnostics report correctable ECC errors that exceed the platform threshold.

What limit appears first when this 2Rx8 registered DIMM runs sustained workloads?

The 2400MHz CL17 timing and 1.2V JEDEC voltage set the performance ceiling; sustained throughput is bounded by the PC4-19200 data rate and the dual-rank organisation before any thermal throttling occurs.

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