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Two green 262-pin DDR5 SODIMM sticks side by side

OWC

OWC 32GB (2x16GB) DDR5 5200 CL42 1Rx8 262-pin 1.1V SODIMM memory upgrade

SKU CH-H1F0-H1H6Z

Adds 32 GB of DDR5 5200 CL42 memory in two 16 GB SODIMM modules for the Lenovo ThinkBook 16p G4 IRH

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 5200 (PC5 41600)
  • CAS latencyCL42
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8

Capacity 32GB (2 x 16GB)

  • 32 GB dual-channel kit boosts multitasking headroom with two 16 GB modules
  • DDR5 5200 MT/s CL42 raises bandwidth for faster data throughput
  • 1 V operation lowers power draw and heat in thin-and-light chassis
  • 262-pin SODIMM form factor fits Lenovo ThinkBook 16p G4 IRH slots directly
  • JEDEC-standard 1Rx8 unbuffered non-ECC design ensures warranty-safe compatibility

OWC 32GB DDR5 5200 SODIMM kit

This OWC kit delivers 32GB of DDR5 memory as two 16GB SODIMM modules rated at 5200 MT/s with CL42 latency. It is built specifically for the Lenovo ThinkBook 16p G4 IRH and follows JEDEC standard timings at 1.1V. The unbuffered, non-ECC design fits standard laptop slots without extra height. It targets users who need more capacity for multitasking and larger workloads on that platform.

Thermals noise and power at 1.1V

Operating at the standard DDR5 voltage of 1.1V, these modules draw minimal power and run cool without a heat spreader. The low-voltage design keeps thermal output low inside thin chassis where airflow is limited. Silent operation is inherent because there are no moving parts or active cooling required. This makes the kit suitable for quiet environments and sustained workloads.

Upgrade from 16GB or slower DDR5

Replacing a 16GB configuration or slower DDR5 modules with this 32GB kit doubles capacity and matches the 5200 MT/s JEDEC speed for the ThinkBook 16p G4 IRH. The jump is worth it when you regularly hit memory limits with virtual machines, large media projects, or heavy browser loads. Buyers who need ECC error correction or registered DIMMs should look elsewhere as this kit is unbuffered non-ECC.

How it compares

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

Price $446.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $13.97 per GB
Pricier than about 60% 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 number5S2D51R8032P
Total capacity32 GB (2 × 16 GB)
Product type262-Pin DDR5 Non-ECC SODIMM
Performance
Rated speedDDR5 5200 (PC5 41600)
Memory
CAS latencyCL42
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsLenovo ThinkBook 16p G4 IRH

Other versions of this model

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Questions about this item

How do I install the two 16 GB DDR5 5200 SODIMM modules in my Lenovo ThinkBook 16p G4 IRH, and what step is often missed?

Power off, unplug and remove the base cover; insert each 262-pin module at the correct angle until the side clips click — the step people miss is pressing firmly enough for both clips to engage on every module.

Will these DDR5 5200 CL42 1.1 V modules need any maintenance or replacement during the laptop's life?

No routine maintenance is required; the memory is solid-state with no moving parts and is rated for the system's lifetime under normal use.

What limit appears first when the ThinkBook 16p G4 IRH runs sustained heavy workloads with this 32 GB kit?

The platform's memory controller caps operation at DDR5 5200 CL42, so bandwidth and latency remain fixed regardless of load duration.

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