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Four green DDR4 UDIMM modules with black chips and gold contacts

OWC

OWC 128GB (4x32GB) DDR4 3200 CL22 ECC UDIMM memory upgrade

SKU CH-MNND-N8PQR

A 128GB kit of four 32GB DDR4 3200 CL22 ECC unbuffered UDIMMs for PowerEdge T150 and T350 tower servers

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8
  • 128 GB total capacity from four 32 GB modules
  • DDR4 3200 speed with CL22 latency for responsive operation
  • ECC unbuffered design protects data integrity in servers
  • 2 V voltage reduces power draw and heat
  • Compatible with PowerEdge T150 and T350 tower servers

128 GB ECC kit for PowerEdge T150 and T350

This 128 GB kit contains four 32 GB DDR4 3200 CL22 ECC unbuffered UDIMMs built to JEDEC and RoHS standards. It is validated for Dell PowerEdge Tower Server T150 and T350 systems and runs at the standard 1.2 V.

Thermals noise and power at stock speed

Operating at the rated 1.2 V the modules draw minimal power and produce little heat without a heat spreader. The ECC function adds error correction without audible noise or measurable thermal impact under normal server workloads.

288 pin UDIMM layout and backward speeds

Each stick uses the 288 pin unbuffered form factor so it seats directly in standard DDR4 UDIMM slots. The kit is backward compatible with 2133 2400 2666 and 2933 MHz platforms allowing a simple drop in upgrade for supported systems.

How it compares

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

Price $856.99
Pricier than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $6.70 per GB
Cheaper than about 59% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number3E2D42R8128S
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR4 ECC UDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsPowerEdge Tower Server T150
PowerEdge Tower Server T350

Questions about this item

How do I install the 288-pin DDR4 modules in a PowerEdge T150, and what step is often missed?

Power down the server, open the chassis, align each 288-pin UDIMM with the slot key and press firmly until both retention clips click; the step often missed is confirming the BIOS recognises all 128 GB at 3200 MT/s after the first boot.

What maintenance or replacement will the 2Rx8 ECC UDIMMs need over time?

No routine maintenance is required; the modules are solid-state with no moving parts, so replacement only occurs if a module fails ECC correction or the server is upgraded beyond 128 GB.

What limit appears first when the 4×32 GB kit runs sustained workloads at 3200 MT/s CL22?

The primary limit is the memory-controller thermal envelope of the PowerEdge T150 or T350; sustained full-load traffic can throttle bandwidth before the DDR4 3200 CL22 modules themselves reach any electrical limit.

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