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Green circuit board with black chips, 262-pin DDR5 SODIMM memory module

OWC

OWC 16GB DDR5 4800 CL40 1Rx8 262-pin 1.1V SODIMM for XPS 15 9520 9530

SKU CH-KT08-W6RMM

A 16GB DDR5 4800 CL40 SODIMM module built for Dell XPS 15 9520 and 9530 laptops

  • Capacity16GB
  • Type262-Pin DDR5 Non-ECC SODIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCNo
  • 16 GB DDR5 4800 MHz CL40 boosts multitasking speed
  • JEDEC-standard 1.1 V module ensures warranty-safe upgrade
  • Single 1Rx8 262-pin SODIMM fits XPS 15 9520 and 9530
  • Unbuffered non-ECC design keeps installation simple and reliable
  • Replaces Dell part numbers AB949334 AC258275 SNPCYXXPC/16G SNPVNY72C/16G

Single-module upgrade for XPS 15 9520 and 9530

This OWC 16GB DDR5 SODIMM is built specifically for Dell XPS 15 models 9520 and 9530. It arrives as a single 262-pin unbuffered module rated at 4800 MT/s with CL40 latency. The 1.1V operating voltage matches the platform requirement. Installation is a straightforward DIY step for owners of those laptops.

Steady throughput at JEDEC speeds

Because the module follows JEDEC-standard DDR5 4800 timings, it delivers consistent bandwidth during long work sessions without relying on overclock headroom. The 1Rx8 organisation keeps signal loading light on the memory controller. Non-ECC unbuffered operation means the laptop sees exactly the electrical profile its firmware expects, so sustained compiles, renders or virtual-machine workloads run at the rated data rate.

16GB capacity in one slot

The decisive figure is the 16GB density packed into a single rank. If your XPS 15 has only one free SODIMM slot, this module adds the full 16GB without needing a pair. Buyers who need more total memory than one slot can provide should look elsewhere.

Highlights

  • 16 GB DDR5 4800 MHz CL40 boosts multitasking speed
  • JEDEC-standard 1.1 V module ensures warranty-safe upgrade
  • Single 1Rx8 262-pin SODIMM fits XPS 15 9520 and 9530
  • Unbuffered non-ECC design keeps installation simple and reliable
  • Replaces Dell part numbers AB949334 AC258275 SNPCYXXPC/16G SNPVNY72C/16G

Specifications

BrandOWC
Part Number4S8D51R816GB
Capacity16GB
Type262-Pin DDR5 Non-ECC SODIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemDell XPS 15 9520
Dell XPS 15 9530

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Questions about this item

How much power does the 1.1 V DDR5 SODIMM draw when the XPS 15 runs all day?

The module operates at the JEDEC-standard 1.1 V, which keeps power draw low during sustained workloads in the XPS 15 9520 or 9530.

What must my laptop already have for this 262-pin DDR5 stick to work?

Your XPS 15 9520 or 9530 needs a free DDR5 SODIMM slot and a BIOS that supports 4800 MT/s PC5-38400 memory.

Will this CL40 4800 MT/s module run stably alongside the original Dell memory in my 9520?

Yes — it matches the factory DDR5 4800 CL40 1Rx8 spec, so it will operate in sync with the stock modules.

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