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Green circuit board SODIMM module with black memory chips and gold edge connector

OWC

OWC 32GB DDR5 4800 CL40 2Rx8 262-pin 1.1V SODIMM for Precision 7670 7770

SKU CH-X4TF-1KHHQ

A 32 GB DDR5 4800 SODIMM with CL40 latency, 1.1 V operation and dual-rank 2Rx8 layout for Dell Precision 7670 and 7770 workstations

  • Capacity32GB
  • Type262-Pin DDR5 Non-ECC SODIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCNo
  • 32GB DDR5 4800MHz boosts multitasking for Precision 7670 and 7770
  • CL40 CAS latency with 1.1V operation keeps system responsive under load
  • 2Rx8 dual-rank 262-pin SODIMM fits factory memory slots directly
  • JEDEC and RoHS compliant module protects existing system warranty
  • Replaces Dell part numbers AB949335 AC258276 SNPJJ3C2C/32G SNPR62CWC/32G

Precision 7670 7770 DDR5 upgrade

This 32 GB DDR5 SODIMM is built for Dell Precision 7670 and 7770 mobile workstations. It targets professionals who need more memory for rendering, simulation or large data sets in those specific chassis. The single-module design lets you populate a free slot or replace an existing stick without mixing capacities.

JEDEC 262-pin unbuffered SODIMM

The module follows the JEDEC PC5-38400 standard at 1.1 V and carries no heat spreader, keeping the low profile required by thin mobile workstations. Its 262-pin edge connector drops straight into the factory SO-DIMM slots, so installation remains a tool-free DIY task. Non-ECC unbuffered operation matches the platform's native memory controller.

32 GB single-rank 2Rx8 at CL40

Capacity is the deciding specification: one 32 GB stick at DDR5 4800 CL40 2Rx8. Systems that only support lower-density ranks or slower JEDEC speeds will not recognise the full module. Buyers who need ECC, registered buffering or a different voltage must choose another part.

Highlights

  • 32GB DDR5 4800MHz boosts multitasking for Precision 7670 and 7770
  • CL40 CAS latency with 1.1V operation keeps system responsive under load
  • 2Rx8 dual-rank 262-pin SODIMM fits factory memory slots directly
  • JEDEC and RoHS compliant module protects existing system warranty
  • Replaces Dell part numbers AB949335 AC258276 SNPJJ3C2C/32G SNPR62CWC/32G

Specifications

BrandOWC
Part Number4S8D52R832GB
Capacity32GB
Type262-Pin DDR5 Non-ECC SODIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemDell Precision 7670
Dell Precision 7770

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Questions about this item

Does DDR5 4800 PC5-38400 CL40 run at the full 4800 MT/s on a Precision 7670 or 7770?

Yes, the module is JEDEC-standard DDR5 4800 PC5-38400 CL40 and will operate at 4800 MT/s on Precision 7670 and 7770 systems.

Will this 262-pin SODIMM fit the memory slot in a Precision 7670 or 7770?

The 262-pin SODIMM form factor matches the DDR5 SO-DIMM slots used in Precision 7670 and 7770 laptops.

What is the correct way to seat this OWC module, and what step do people often miss?

Align the notch with the slot key, insert at a slight angle, then press down firmly until both side clips click into place.

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