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Green circuit board with black memory chips and gold edge contacts

OWC

OWC 8GB DDR5 4800 CL40 1Rx16 262-pin 1.1V SODIMM laptop RAM

SKU CH-TGM4-7R107

An 8 GB DDR5 4800 CL40 SODIMM running at 1.1 V for laptops, all-in-ones and NAS units

  • Total capacity8 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Recommended forLaptops, All-in-One Systems, and NAS Systems
  • 8GB DDR5 4800 MHz boosts multitasking speed
  • CL40 latency and 1.1V voltage lower power draw
  • 262-pin SODIMM fits laptops, AIOs and NAS
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Replaces Hynix HMCG66MEBSA092N and HMCG66MEBSA095N modules

8 GB DDR5 SODIMM for Laptops and NAS

This 8 GB DDR5 module is built for laptops, all-in-one PCs and NAS units that accept 262-pin SO-DIMMs. It delivers a straightforward capacity increase for everyday multitasking and larger file handling. The stick is unbuffered, non-ECC and runs at the standard 1.1 V. Buyers who need more than 8 GB per slot should look elsewhere.

JEDEC-standard thermals and power

The module follows JEDEC DDR5 4800 specifications with CL40 latency and 1.1 V operation, so it draws only the power the platform allocates for a standard SO-DIMM. No heat spreader is fitted, relying on the system's own airflow for cooling. Acoustic impact is negligible because the component has no moving parts. Builders who require lower latency or higher voltage headroom will not find it here.

4800 MT/s CL40 DDR5 speed rating

The single decisive figure is the 4800 MT/s (PC5-38400) CL40 rating, which must match the memory controller's supported speed grade. If the host platform only runs DDR5 at a lower data rate, the module will downclock automatically. Systems that demand a faster grade or a different CAS latency cannot use this module at its rated specification.

How it compares

Measured against everything we stock in Laptop RAM, at today’s prices. Recalculated every night.

Price $130.99
Pricier than about 67% of the 2,079 comparable items (median $70.99).
Total capacity 8 GB
Lower than about 60% of the 1,886 comparable items (median 16 GB).
Price per GB $16.37 per GB
Pricier than about 90% of the 1,886 comparable items (median $5.94 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 number4S8D51R608 GB
Total capacity8 GB
Product type262-Pin DDR5 SO-DIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Recommended forLaptops, All-in-One Systems, and NAS Systems

Questions about this item

How do I install the 262-pin SODIMM and what step do people often miss?

Power off the laptop, remove AC power and the battery if accessible, open the memory door, align the notch on the module with the slot key, press firmly until both side clips click, then re-fit the door and battery before turning on — the step most skip is confirming both clips have fully latched.

What maintenance or replacement will this 8GB DDR5 module need later?

No routine maintenance is required; the module has no heat spreader and runs at 1.1V, so only replace it if a memory test reports errors or you need more than 8GB capacity.

What limit appears first during sustained heavy workloads with this CL40 4800MHz memory?

The 8GB capacity is the first bottleneck — once the working set exceeds 8GB the system swaps to storage, which is far slower than the DDR5 4800 transfer rate.

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