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Green rectangular DDR4 memory module with gold edge connector and black chips, no heat spreader

OWC

OWC 64GB DDR4 3200 CL22 2Rx4 288-pin ECC RDIMM upgrade

SKU CH-T26C-NW7MG

64 GB DDR4 3200 ECC registered RDIMM for Gigabyte E252 and G242 servers

  • Total capacity64 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latency22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 64GB

  • 64 GB capacity expands server memory headroom
  • DDR4 3200 CL22 delivers high-speed registered performance
  • ECC registered design protects data integrity in workloads
  • 2 V operation reduces power draw per module
  • Validated for Gigabyte E252 and G242 server platforms

Single 64GB DDR4 ECC RDIMM

This OWC module provides 64GB of DDR4 3200 memory in a single 288-pin registered DIMM. It is built for Gigabyte E252-P30, E252-P31, G242-P31, G242-P32 and G242-P33 servers and workstations that require ECC registered RAM. Standard desktop computers cannot use this module.

1.2V operation with JEDEC timing

The module runs at 1.2V with a CAS latency of 22 and conforms to the PC4-25600 JEDEC standard. No heat spreader is fitted, so airflow in the server chassis handles cooling. Registered buffering adds a clock cycle but reduces electrical load on the memory controller.

No mixing with unbuffered or load-reduced DIMMs

The 2Rx4 registered design means this DIMM must not be combined with unbuffered or ECC load-reduced memory in the same system. It is backward compatible with 2133, 2400, 2666 and 2933MHz bus speeds, allowing use in older Gigabyte platforms that support those rates.

How it compares

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

Price $389.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB
Higher than about 60% of the 20,941 comparable items (median 32 GB).
CAS latency 22
Typical for this category: the median of 483 items is 22.
Price per GB $6.09 per GB
Cheaper than about 64% of the 20,941 comparable items (median $8.19 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 number3R2D42R464 GB
Total capacity64 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latency22
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsGigabyte E252-P30
Gigabyte E252-P31
Gigabyte G242-P31
Gigabyte G242-P32
Gigabyte G242-P33

Other versions of this model

5 more in the same range

Questions about this item

How do I install this 288-pin ECC RDIMM in a Gigabyte E252-P30, and what step is often missed?

Power down, open the chassis, align the notch on the 288-pin module with the slot key, press firmly until both latches click, then verify in BIOS that ECC registered mode is active — skipping the BIOS check is the common miss.

What maintenance or replacement will this 64GB DDR4 3200 CL22 module need over time?

No scheduled maintenance is required; the module has no heat spreader and runs at 1.2V, so only replace it if a memory test reports correctable ECC errors rising or a DIMM fails POST.

What limit appears first when this 2Rx4 registered DIMM runs sustained workloads?

The registered buffer adds one clock cycle of latency, so sustained throughput tops out at the JEDEC 3200 MT/s rating; thermal throttling is unlikely at 1.2V without a spreader.

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