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Eight green 288-pin DDR4 LRDIMM modules in a row

OWC

OWC 1TB (8x128GB) DDR4 3200MHz CL22 ECC Load Reduced LRDIMM Server RAM

SKU CH-TAV5-SN8C9

Eight 128 GB DDR4 3200 MHz CL22 ECC load-reduced LRDIMMs provide 1 TB of server memory with 1.2 V operation and backward compatibility to 2133 MHz

  • Total capacity1 TB (8 × 128 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • Memory rank4Rx4

Capacity 1TB (8 x 128GB)

  • Massive 1 TB capacity from eight 128 GB modules
  • ECC load-reduced design protects data integrity in servers
  • DDR4 3200 MHz CL22 speed with 1.2 V efficiency
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Backward compatible with 2133, 2400, 2666 and 2933 MHz systems

1TB DDR4 ECC LRDIMM kit for servers

This kit supplies 1TB of DDR4 server memory across eight 128GB load-reduced DIMMs running at 3200MHz with CL22 latency. It targets administrators upgrading workstations, servers or NAS systems that require registered ECC modules. The load-reduced design reduces electrical load on the memory controller for high-density configurations. Standard desktop motherboards cannot use this memory.

Installation notes and common issues

Modules install into 288-pin DDR4 slots like ordinary DIMMs but the system must support load-reduced ECC registered memory. Mixing these LRDIMMs with unbuffered or standard registered DIMMs will prevent boot or cause instability. All eight sticks should populate matching channels per the platform's population rules. Backward compatibility covers 2133MHz, 2400MHz, 2666MHz and 2933MHz speeds if the platform cannot run 3200MHz.

Pre-order checklist for your platform

Confirm the motherboard or server documentation explicitly lists support for DDR4 288-pin ECC load-reduced DIMMs at 4Rx4 rank. Verify the maximum supported capacity per slot and total system capacity reach 1TB. Ensure the BIOS or firmware is current enough to recognise 128GB density modules. Check that the platform voltage is 1.2V and that the memory controller accepts PC4-25600 speeds or one of the listed lower speeds.

How it compares

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

Price $6,313.99
Pricier than about 91% of the 6,523 comparable items (median $188.99).
Total capacity 1 TB (8 × 128 GB)
Higher than about 92% of the 6,064 comparable items (median 32 GB).
Price per GB $6.31 per GB
Cheaper than about 61% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number3L2D44R41TBK
Total capacity1 TB (8 × 128 GB)
Product type288-Pin DDR4 ECC LRDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeLoad Reduced
Memory rank4Rx4
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.2 V

Other versions of this model

5 more in the same range

Questions about this item

How do I confirm the 1 TB kit is running at DDR4 3200 CL22 after installation?

Check the BIOS or UEFI memory information screen; it should report 3200 MT/s, CL22 timings, 1.2 V and ECC Load Reduced mode for all eight 128 GB modules.

What ships in the box and what must I source separately?

The package contains eight 128 GB 288-pin DDR4 ECC LRDIMM modules; no heat spreaders, cables or tools are included, so have a compatible server or workstation chassis ready.

Which capacity version should I choose for a dual-channel server that supports 4Rx4 Load Reduced DIMMs?

Select the 1 TB (8 x 128 GB) kit — it provides the full dual-channel population with 4Rx4 organisation and is backward compatible with 2133, 2400, 2666 and 2933 MHz speeds.

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