OWC
OWC 128GB (8x16GB) DDR4 3200MHz CL22 SODIMM laptop RAM
Eight 16 GB DDR4 3200 MHz CL22 SODIMM modules totalling 128 GB for laptops, all-in-one PCs and NAS units
- Capacity128GB (8 x 16GB)
- Type260-Pin DDR4 SO-DIMM
- CAS LatencyCL22
- Voltage1.2V
- ECCNo
- Buffered/RegisteredUnbuffered
- 128 GB total capacity from eight 16 GB modules
- 3200 MHz DDR4 speed rated at PC4-25600
- CL22 latency with 1.2 V low-voltage operation
- 260-pin SO-DIMM form factor fits laptops and NAS units
- JEDEC and RoHS compliant for warranty-safe upgrades
128GB DDR4 SODIMM kit
This OWC kit supplies 128GB of DDR4 memory across eight 16GB modules rated at 3200MHz with CL22 latency. It targets laptops, all-in-one PCs and NAS units that accept 260-pin SO-DIMMs and need a large capacity upgrade.
Sustained workload behaviour
The modules run at the standard 1.2V JEDEC voltage without heat spreaders, so they rely on the host chassis airflow during long compile, virtualisation or rendering sessions. JEDEC compliance means timings and voltage remain stable rather than throttling under continuous load.
Thermals, noise and power
Operating at 1.2V keeps power draw low and eliminates the need for active cooling on the modules themselves. With no onboard fans or spreaders the kit adds no audible noise, leaving thermal management entirely to the system's existing cooling design.
Highlights
- 128 GB total capacity from eight 16 GB modules
- 3200 MHz DDR4 speed rated at PC4-25600
- CL22 latency with 1.2 V low-voltage operation
- 260-pin SO-DIMM form factor fits laptops and NAS units
- JEDEC and RoHS compliant for warranty-safe upgrades
Specifications
| Brand | OWC |
|---|---|
| Part Number | 3S2D41R8128K |
| Capacity | 128GB (8 x 16GB) |
| Type | 260-Pin DDR4 SO-DIMM |
| CAS Latency | CL22 |
| Voltage | 1.2V |
| ECC | No |
| Buffered/Registered | Unbuffered |
| Multi-channel Kit | Dual Channel Kit |
| Heat Spreader | No |
| Recommend Use | Laptops, All-in-One Systems, and NAS Systems |
Questions about this item
Does the 1.2V operating voltage of these 3200MHz CL22 modules keep heat and power draw low during all-day workloads?
Yes, the kit runs at the standard 1.2V DDR4 voltage, which is designed for efficient power use and minimal heat output in continuous operation.
Must my laptop or NAS have eight free 260-pin SO-DIMM slots to use the full 128GB kit?
The package contains eight 16GB modules, so you need eight available 260-pin slots; fewer slots mean you can only install a matching subset.
Will the JEDEC-standard PC4-25600 timing let these sticks run alongside my existing DDR4 memory without manual BIOS changes?
The modules follow JEDEC PC4-25600 specifications, so they should operate at the highest common speed supported by the platform when mixed with other DDR4 memory.
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