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Green circuit board with eight black memory chips and gold edge connectors

OWC

OWC 8GB DDR4 3200MHz CL22 1.2V 288pin UDIMM ThinkStation P340 P348 P350 P358

SKU CH-TQFG-WA5DD
  • Capacity8GB
  • Type288-Pin DDR4 Non-ECC UDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCNo
  • 8GB DDR4 3200MHz CL22 boosts workstation responsiveness
  • 2V low-voltage operation reduces power draw and heat
  • 288-pin UDIMM fits Lenovo ThinkStation P340 P348 P350 P358
  • Backward compatible with 2133 2400 2666 2933MHz systems
  • JEDEC and RoHS compliant for warranty-safe upgrade

Compatible ThinkStation Upgrade

This 8 GB DDR4 module is built for Lenovo ThinkStation P340, P348, P350 and P358 workstations. It adds 8 GB of non-ECC unbuffered memory running at 3200 MHz with CL22 latency. Professionals expanding a supported system can install this single DIMM to increase multitasking headroom. Buyers needing ECC error correction or registered DIMMs should select a different part.

Straightforward DIMM Installation

The 288-pin UDIMM fits standard desktop slots and operates at the JEDEC 1.2 V specification. Installation is a typical DIY task: power down, open the chassis, align the notch, and press until the latches click. Common issues include mixing speeds that force the system to run at the lowest common rate, or exceeding the motherboard's maximum supported capacity per slot. The module is backward compatible with 2133, 2400, 2666 and 2933 MHz operation.

Verify Slot Count And Maximum Capacity

Before ordering, confirm how many DIMM slots your ThinkStation model provides and the maximum memory per slot supported by its specific motherboard revision. Check the current memory configuration to ensure an empty slot is available or plan a matched pair if dual-channel performance is required. The system BIOS should be up to date to recognise the full 3200 MHz speed.

Highlights

  • 8GB DDR4 3200MHz CL22 boosts workstation responsiveness
  • 2V low-voltage operation reduces power draw and heat
  • 288-pin UDIMM fits Lenovo ThinkStation P340 P348 P350 P358
  • Backward compatible with 2133 2400 2666 2933MHz systems
  • JEDEC and RoHS compliant for warranty-safe upgrade

Specifications

BrandOWC
Part Number3U2D41R808GB
Capacity8GB
Type288-Pin DDR4 Non-ECC UDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemLenovo ThinkStation P340
Lenovo ThinkStation P348
Lenovo ThinkStation P350
Lenovo ThinkStation P358

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Questions about this item

How can I confirm the module is running at 3200 MHz CL22 after installation?

Check the memory speed and timings in the BIOS or with a system-information tool such as CPU-Z; the module should report DDR4-3200 (PC4-25600) with CAS latency 22 at 1.2 V.

What comes in the box and is anything else required for installation?

The box contains the single 8 GB 288-pin UDIMM; no cables, brackets or additional components are included or needed for a standard DIMM slot installation.

Should I pick the 8 GB stick or a different capacity for my ThinkStation P350?

This listing is for the 8 GB module (part 3U2D41R808GB); if you need more total memory you can add multiple identical sticks up to the workstation's maximum supported capacity.

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