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Green printed circuit board with black memory chips and gold edge connectors

OWC

OWC 2R9D42R432GB 32GB DDR4 2933 ECC RDIMM

SKU CH-2923-MDRSY

32 GB DDR4 2933 MHz ECC registered DIMM for Supermicro X11 server boards

  • Total capacity32 GB
  • Rated speedDDR4 2933 (PC4 23400)
  • CAS latencyCL21
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 32GB

  • ECC registered design protects data integrity in servers
  • 32 GB capacity expands memory for heavy workloads
  • DDR4 2933 speed matches Supermicro X11 platform specs
  • 2 V operation reduces power draw per module
  • Backward compatible with 2133, 2400 and 2666 MHz systems

Target server upgrade

This 32GB DDR4 2933 ECC RDIMM is built for Supermicro motherboards X11DPG-SN, X11DPH-I, X11DPH-T, X11DPH-Tq and X11DPi-N. It suits administrators extending the life of existing server infrastructure or assembling new workstation and NAS systems that require registered memory.

Registered DDR4 constraints

The module uses 288-pin DDR4 registered ECC technology at 1.2V and will not function in standard desktop computers that accept only unbuffered DIMMs. It cannot be mixed with unbuffered memory and operates at CL21 latency with backward compatibility at 2133, 2400 and 2666 MT/s speeds.

2Rx4 32GB density

Each stick provides 32GB in a dual-rank 2Rx4 organisation, which determines how many modules the memory controller can address per channel. Buyers needing a different rank count or a larger single-module capacity must select an alternative part.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $234.99
Cheaper than about 57% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $7.34 per GB
Cheaper than about 55% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number2R9D42R432 GB
Total capacity32 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 2933 (PC4 23400)
Memory
CAS latencyCL21
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSupermicro Motherboard X11DPG-SN
Supermicro Motherboard X11DPH-I
Supermicro Motherboard X11DPH-T
Supermicro Motherboard X11DPH-Tq
Supermicro Motherboard X11DPi-N

Other versions of this model

5 more in the same range

Questions about this item

Should I choose the 32 GB module or look for a different capacity?

This part number is a single 32 GB DDR4 2933 ECC registered DIMM. If your Supermicro board has multiple slots, add identical modules to reach the total memory you need.

What does the 2933 MHz rating deliver in an actual server?

The module runs at DDR4 2933 (PC4-23400) with CL21 latency at 1.2 V, giving registered ECC bandwidth suited for multi-threaded server workloads on the listed X11 motherboards.

How does the 288-pin DDR4 interface limit real-world speed?

The 288-pin DDR4 registered interface caps at the JEDEC 2933 MT/s standard; the module will down-clock to 2666, 2400 or 2133 MT/s if the CPU or chipset requires a lower speed.

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