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Green rectangular DDR5 SODIMM module with black chips and gold contacts

OWC

OWC 16GB DDR5 4800 CL40 1Rx8 262-pin 1.1V SODIMM for XPS 17 9720

SKU CH-MHDF-ETJ6M

16GB DDR5 4800 CL40 SODIMM upgrades Dell XPS 17 9720 memory speed and capacity

  • Capacity16GB
  • Type262-Pin DDR5 Non-ECC SODIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCNo
  • 16 GB DDR5 4800 CL40 boosts multitasking speed
  • JEDEC standard 1.1 V module keeps laptop warranty intact
  • 262-pin SODIMM fits Dell XPS 17 9720 exactly
  • Single 1Rx8 rank simplifies installation in one slot
  • Replaces Dell parts AB949334 AC258275 SNPCYXXPC/16G SNPVNY72C/16G

XPS 17 9720 Memory Upgrade

This OWC module is a 16GB DDR5 SODIMM built specifically for the Dell XPS 17 9720. It runs at 4800MHz with CL40 latency and a low 1.1V operating voltage. The single-rank 1Rx8 design fits the 262-pin slot and meets JEDEC standards for a warranty-safe installation.

Laptop Owners Needing More RAM

The upgrade suits XPS 17 9720 users who want to increase memory capacity for heavier multitasking or larger files. It is a non-ECC, unbuffered stick, so buyers who require error-correcting code memory or registered modules for workstation-class stability should look at something else.

262-Pin DDR5 Form Factor

The decisive specification is the 262-pin DDR5 SODIMM form factor combined with 4800MHz speed and 1.1V voltage. Only systems that accept this exact pin count, generation and voltage will recognise the module; any laptop using a different pin layout or memory generation cannot install it.

Points forts

  • 16 GB DDR5 4800 CL40 boosts multitasking speed
  • JEDEC standard 1.1 V module keeps laptop warranty intact
  • 262-pin SODIMM fits Dell XPS 17 9720 exactly
  • Single 1Rx8 rank simplifies installation in one slot
  • Replaces Dell parts AB949334 AC258275 SNPCYXXPC/16G SNPVNY72C/16G

Caractéristiques

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 17 9720

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Questions sur cet article

Does the 16GB DDR5 module need any firmware updates or periodic re-seating to stay reliable in the XPS 17 9720?

No firmware or re-seating is required; the 1Rx8 SODIMM is JEDEC-standard and tested to meet OEM specs for the 9720.

What thermal limit appears first when the 4800MHz memory runs continuously in the chassis?

The module has no heat spreader and operates at 1.1V, so system airflow and the laptop's own thermal management set the practical ceiling.

How much extra fan noise or power draw should I expect after installing this 262-pin CL40 stick?

At 1.1V and standard DDR5 4800 speed, the stick adds minimal heat and power, so fan behaviour stays close to stock levels.

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