OWC 128GB (8x16GB) DDR4 2133 CL15 ECC SODIMM 1.2V 260-pin laptop RAM
Eight 16 GB DDR4 2133 CL15 ECC SO-DIMM modules totalling 128 GB at 1.2 V for laptops and NAS
- Total capacity128 GB (8 × 16 GB)
- Rated speedDDR4 2133 (PC4 17000)
- CAS latencyCL15
- Rated voltage1.2 V
- Buffer typeUnbuffered
- Kit configurationDual Channel Kit
- 128 GB total capacity from eight 16 GB modules
- DDR4 2133 MHz CL15 speed for responsive multitasking
- ECC protection detects and corrects single-bit data errors
- 2 V low-voltage operation reduces power draw
- 260-pin SO-DIMM form factor fits laptops and NAS systems
128 GB DDR4 ECC kit for mobile workstations
This kit delivers 128 GB of DDR4 memory through eight 16 GB modules running at 2133 MHz with CL15 latency. Each module uses a 260-pin SO-DIMM form factor and operates at 1.2 V. Error-correcting code support and unbuffered design make it suitable for laptops, all-in-one systems and NAS devices that require data integrity.
Suited for ECC-capable laptops and compact servers
The memory targets users who need maximum capacity and error correction in a SO-DIMM package, such as mobile workstation owners or NAS builders. Systems that lack ECC support in the BIOS or that require registered DIMMs will not be able to use this kit. Buyers needing non-ECC modules or lower total capacity should consider other options.
Steady throughput under sustained workloads
Eight dual-rank modules populate all available slots in many compatible platforms, allowing the memory controller to interleave accesses evenly across ranks. The JEDEC-standard 1.2 V operation keeps power draw predictable during long rendering, virtualization or file-serving sessions. Without a heat spreader, adequate chassis airflow remains important to maintain stable temperatures over extended periods.
How it compares
Measured against everything we stock in Laptop RAM, at today’s prices. Recalculated every night.
- Price $982.99
- Pricier than about 92% of the 2,079 comparable items (median $70.99).
- Total capacity 128 GB (8 × 16 GB)
- Higher than about 94% of the 1,886 comparable items (median 16 GB).
- Price per GB $7.68 per GB
- Pricier than about 67% of the 1,886 comparable items (median $5.94 per GB).
New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.
Specifications
| Product | |
|---|---|
| Brand name | OWC |
| Part number | 2C1D42R8128K |
| Total capacity | 128 GB (8 × 16 GB) |
| Product type | 260-Pin DDR4 SO-DIMM |
| Performance | |
| Rated speed | DDR4 2133 (PC4 17000) |
| Memory | |
| CAS latency | CL15 |
| ECC support | Yes |
| Buffer type | Unbuffered |
| Kit configuration | Dual Channel Kit |
| Heat spreader | No |
| Power | |
| Rated voltage | 1.2 V |
| Compatibility | |
| Recommended for | Laptops, All-in-One Systems, and NAS Systems |
Questions about this item
Does my laptop need 260-pin DDR4 slots to use these modules?
Yes, each 16 GB module is a 260-pin DDR4 SO-DIMM, so the system must provide DDR4 SO-DIMM sockets.
Will the ECC feature function if I keep non-ECC memory in the other slots?
ECC only operates when all installed modules support it; mixing with non-ECC memory disables error correction.
How can I verify the kit runs at 2133 MT/s with CL15 after installation?
Check the memory tab in CPU-Z or the BIOS memory information screen; it should report DDR4-2133 and CAS latency 15.
More in Laptop RAM
Similar items
Kingston Technology Corp. KF556S40IBK2-64 64GB (2 x 32GB) DDR5 5600 CL40 laptop RAM
- 64 GB (2 × 32 GB)
- DDR5 5600
Corsair Vengeance CMSX32GX4M1A3200C22 32GB DDR4 3200 laptop RAM
- 32 GB
- DDR4 3200
OWC 128GB (8x16GB) DDR4 2400MHz CL17 ECC SODIMM 1.2V 260-pin laptop RAM
- 128 GB (8 × 16 GB)
- DDR4 2400
Crucial CT2K16G4SFRA266 32GB (2 x 16GB) DDR4 2666 laptop RAM
- 32 GB (2 × 16 GB)
- DDR4 2666
OWC 128GB (8x16GB) DDR4 2933MHz CL21 ECC SO-DIMM laptop RAM
- 128 GB (8 × 16 GB)
- DDR4 2933





