We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Green rectangular DDR4 memory module with gold edge contacts and black chips on both sides

OWC

OWC 16GB DDR4 2933MHz ECC Registered RDIMM 2Rx8 1.2V 288-Pin Server RAM

SKU CH-BNRE-KE83F

16 GB DDR4 2933 MHz ECC registered RDIMM for servers, workstations and NAS, 2Rx8 CL21 at 1.2 V, backward compatible with 2133, 2400 and 2666 MHz

  • Total capacity16 GB
  • Rated speedDDR4 2933 (PC4 23400)
  • CAS latencyCL21
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx8
  • 16GB DDR4 ECC registered RDIMM protects data integrity in servers
  • 2933MHz PC4-23400 CL21 speed boosts throughput for demanding workloads
  • 2V operation reduces power draw and heat in dense racks
  • 2Rx8 dual-rank design increases memory density per channel
  • Backward compatible with 2133MHz, 2400MHz and 2666MHz systems

16GB DDR4 2933MHz ECC RDIMM for Servers

This 16GB DDR4 2933MHz ECC Registered RDIMM is built for servers, workstations and NAS systems that require registered memory with error correction. It operates at 1.2V with CL21 latency and a 2Rx8 organisation across 288 pins. The module replaces Hynix parts HMA82GR7CJR8N-WM, HMA82GR7DJR8N-WM and HMA82GR7JJR8N-WM. It is not compatible with standard desktop computers or unbuffered memory configurations.

Replaces slower DDR4 registered modules

The module runs at PC4-23400 2933MHz and is backward compatible with 2133MHz, 2400MHz and 2666MHz server platforms. Upgrading from lower-speed registered ECC DIMMs is worthwhile when the platform supports 2933MHz and the workload benefits from the higher data rate. It will not work in systems that only accept unbuffered or non-ECC memory.

Sustained load behaviour in registered ECC role

Under continuous server workloads the registered buffer and ECC circuitry maintain data integrity while the 1.2V operation keeps power draw consistent. The lack of a heat spreader means airflow across the DIMM slots is required for thermal stability during prolonged operation. JEDEC and RoHS compliance ensures the module meets industry standards for long-term deployment.

How it compares

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

Price $96.99
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 $6.06 per GB
Cheaper than about 63% of the 6,064 comparable items (median $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 number2R9D42R816 GB
Total capacity16 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 2933 (PC4 23400)
Memory
CAS latencyCL21
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V

Questions about this item

What slot and pin count does this 288-pin DDR4 RDIMM require on the motherboard?

It installs in a standard 288-pin DDR4 RDIMM slot on server or workstation boards that support registered ECC memory.

How do I seat the module correctly, and what is the common mistake?

Align the notch with the key in the slot, press straight down until both side clips click; the frequent error is stopping before the clips engage fully.

Will this 16 GB 2Rx8 module need any firmware updates or battery replacements over its service life?

No firmware or battery maintenance is required; the module is a passive component rated for the system lifetime.

More in ECC Server RAM

Similar items