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Green circuit board with black memory chips, no heat spreader, gold edge connector, standard DIMM length

OWC

OWC 32GB DDR4 3200MHz CL22 1.2V 288pin Non-ECC UDIMM for ThinkStation P340 P348 P350 P358

SKU CH-CH65-B66BC
  • Capacity32GB
  • Type288-Pin DDR4 Non-ECC UDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCNo
  • Boosts system responsiveness with 32GB DDR4 3200MHz capacity
  • Low 1.2V operation reduces power draw and heat output
  • Validated for ThinkStation P340 P348 P350 P358 workstations
  • JEDEC compliant CL22 timing ensures stable plug-and-play performance
  • Backward compatible with 2133 2400 2666 2933MHz systems

Compatible ThinkStation Models

This 32 GB DDR4 module is built for Lenovo ThinkStation P340, P348, P350 and P358 workstations. It installs as a standard 288-pin UDIMM and runs at the JEDEC 3200 MT/s speed with CL22 latency. The kit targets professionals who need a straightforward capacity increase for rendering, simulation or heavy multitasking on these qualified platforms.

Who Should Choose This

Buyers who want a warranty-safe, JEDEC-compliant upgrade for the listed ThinkStation models will benefit from the validated compatibility and 1.2 V operation. Systems that require ECC protection, registered modules or speeds beyond the supported DDR4 range should look at alternative memory types designed for those requirements.

Deciding Specification

The module operates at DDR4 3200 (PC4-25600) with CL22 timing and 1.2 V voltage, and it is backward compatible with 2133, 2400, 2666 and 2933 MT/s bus speeds. This single speed rating determines whether the DIMM matches the memory controller capabilities of the target workstation.

Highlights

  • Boosts system responsiveness with 32GB DDR4 3200MHz capacity
  • Low 1.2V operation reduces power draw and heat output
  • Validated for ThinkStation P340 P348 P350 P358 workstations
  • JEDEC compliant CL22 timing ensures stable plug-and-play performance
  • Backward compatible with 2133 2400 2666 2933MHz systems

Specifications

BrandOWC
Part Number3U2D42R832GB
Capacity32GB
Type288-Pin DDR4 Non-ECC UDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemLenovo ThinkStation P340
Lenovo ThinkStation P348
Lenovo ThinkStation P350
Lenovo ThinkStation P358

Other versions of this model

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Questions about this item

How much heat and power does the 32GB DDR4 3200MHz CL22 1.2V module draw during sustained workloads?

The module runs at the standard JEDEC 1.2V without a heat spreader, so power draw and thermal output stay within normal DDR4 limits for all-day workstation use.

What must my Lenovo ThinkStation already have for this 288-pin UDIMM to work?

Your ThinkStation P340, P348, P350 or P358 needs a free DDR4 UDIMM slot and a BIOS that supports 32GB non-ECC modules at 3200MHz.

Will this 3200MHz CL22 stick run stably alongside my existing 2666MHz DDR4 memory?

Yes — the module is backward compatible with 2133MHz, 2400MHz, 2666MHz and 2933MHz speeds, so it will downclock to match the slower installed DIMMs.

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