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Green circuit board with black memory chips and gold edge contacts

OWC

OWC 16GB DDR5 4800 CL40 1Rx8 262-pin 1.1V SODIMM memory upgrade

SKU CH-HDDM-0BKCR

A 16 GB DDR5 4800 CL40 SODIMM upgrade for Dell Precision 3470, 3571, 3581, 5570 and 5770 workstations

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8
  • 16 GB DDR5 module expands Precision laptop memory
  • 4800 MHz CL40 speed meets JEDEC standard for stable operation
  • 1 V low voltage reduces power draw and heat
  • Single-rank 1Rx8 design fits 262-pin SODIMM slots in listed Precision models
  • Replaces Dell part numbers AB949334 AC258275 SNPCYXXPC/16G SNPVNY72C/16G

System-specific DDR5 SODIMM for Dell Precision

This OWC module is a 16 GB DDR5 4800 CL40 1Rx8 SODIMM built to 262-pin 1.1 V JEDEC specification. It is validated for Precision 3470, 3571, 3581, 5570 and 5770 workstations. The part replaces Dell AB949334, AC258275, SNPCYXXPC/16G and SNPVNY72C/16G modules. Installation is a standard DIY procedure.

Who this suits and who should look elsewhere

Buyers upgrading a listed Precision laptop or all-in-one with a single 16 GB stick will match the factory memory profile exactly. Builders needing ECC, registered DIMMs, higher capacities per slot or a different DDR generation cannot use this module. Systems outside the five Precision models listed have not been qualified by the manufacturer.

Deciding specification — 262-pin DDR5 4800 SODIMM

The 262-pin DDR5 4800 interface is the single factor that determines fit; only platforms wired for this exact pin-out and speed will accept the module. Matching the 1.1 V JEDEC voltage and CL40 timing ensures the memory runs at the rated data rate without manual configuration.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $198.99
Cheaper than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $12.44 per GB
Pricier than about 58% of the 20,941 comparable items (median $8.19 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 nameOWC
Part number4S8D51R816 GB
Total capacity16 GB
Product type262-Pin DDR5 Non-ECC SODIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell Precision 3470
Dell Precision 3571
Dell Precision 3581
Dell Precision 5570
Dell Precision 5770

Other versions of this model

5 more in the same range

Questions about this item

How much power does the 1.1V DDR5 4800 SODIMM draw during continuous all-day workloads?

The module runs at the JEDEC-standard 1.1 V, which keeps power draw low for a 16 GB DDR5 SODIMM during sustained use.

Which Dell Precision models must the laptop already be for this 262-pin CL40 module to work?

It is validated for Precision 3470, 3571, 3581, 5570 and 5770; the system must be one of those models.

Will this non-ECC 1Rx8 stick run alongside the original Dell memory in a Precision 5570 without timing conflicts?

Yes — it matches the factory DDR5 4800 CL40 1.1 V spec, so it operates at the same speed and latency as the OEM modules.

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