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Green circuit board with black memory chips and gold edge contacts

OWC

OWC 128GB DDR4 3200 CL22 4Rx4 288-pin ECC LRDIMM 1.2V memory upgrade

SKU CH-ZPCN-ZEMDR

128 GB DDR4 3200 ECC load-reduced LRDIMM for Gigabyte G292-Z44, G292-Z45, G292-Z46, G482-Z51 and G482-Z52 servers

  • Total capacity128 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latency22
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • Memory rank4Rx4

Capacity 128GB

  • 128 GB capacity expands server memory headroom
  • ECC load-reduced design maintains data integrity under load
  • DDR4 3200 CL22 at 1.2 V balances speed and efficiency
  • Validated for Gigabyte G292 and G482 server platforms
  • Backward compatible with 2133, 2400, 2666 and 2933 MHz systems

Server-grade ECC LRDIMM upgrade

This 128GB DDR4 3200 module uses a 4Rx4 load-reduced design with ECC for Gigabyte G292 and G482 server platforms. It operates at 1.2V with CL22 latency and fits 288-pin DIMM slots. The part targets administrators expanding memory in compatible workstation and NAS systems.

Replaces slower DDR4 or smaller LRDIMMs

The module is backward compatible with 2133, 2400, 2666 and 2933MHz bus speeds, so it can upgrade existing configurations running at those rates. It cannot be mixed with unbuffered or registered ECC DIMMs, so a full replacement is required when changing memory types. The jump is worthwhile when the platform supports load-reduced topology and needs maximum per-slot density.

Handles large virtualisation and database workloads

A single 128GB stick provides substantial headroom for multi-tenant virtualisation, in-memory databases and high-thread-count compute tasks on supported Gigabyte servers. Capacity runs out when the application working set exceeds the total installed memory across all populated slots, or when the platform's maximum memory limit is reached.

How it compares

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

Price $672.99
Pricier than about 55% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB
Higher than about 70% 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 $5.26 per GB
Cheaper than about 73% 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 number3L2D44R4128G
Total capacity128 GB
Product type288-Pin DDR4 ECC LRDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latency22
ECC supportYes
Buffer typeLoad Reduced
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsGigabyte G292-Z44
Gigabyte G292-Z45
Gigabyte G292-Z46
Gigabyte G482-Z51
Gigabyte G482-Z52

Other versions of this model

5 more in the same range

Questions about this item

Does the 288-pin LRDIMM fit the DIMM slots on a Gigabyte G292-Z44?

Yes, the 288-pin DDR4 ECC Load Reduced DIMM matches the slot keying and form factor for the listed Gigabyte G292-Z44, G292-Z45, G292-Z46, G482-Z51 and G482-Z52 servers.

What is the correct installation step for the 4Rx4 128 GB module that people often miss?

Install only LRDIMM modules — do not mix with unbuffered or ECC registered DIMMs — and populate slots per the server manual to enable the 4Rx4 organisation at 1.2 V.

When will the 128 GB DDR4 3200 CL22 module need replacement?

The JEDEC-standard DDR4 LRDIMM is rated for continuous server operation; replace only if memory diagnostics report correctable ECC errors rising above threshold or a hard failure occurs.

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