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Green rectangular SODIMM module with black chips and gold contacts

Computer Memory Solutions

Computer Memory Solutions 16GB DDR5 4800MHz CL40 SODIMM 2Rx8 1.1V memory upgrade

SKU CH-W7E1-XHC6Y

16GB DDR5 SODIMM running at 4800MHz with CL40 latency and 1.1V operation for laptop upgrades

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor Brand Chipset
  • CAS latency40
  • Memory timings40-40-40-96
  • Rated voltage1.1 V
  • 16 GB capacity for demanding workloads
  • 4800 MHz DDR5 speed for fast data transfer
  • CL40 latency with 40-40-40-96 timings
  • 1 V low voltage for efficient operation
  • 2Rx8 dual-rank unbuffered SODIMM design

Laptop memory upgrade

This 16GB DDR5 SODIMM module operates at 4800MHz with CL40 latency and 1.1V voltage. The 2Rx8 unbuffered design uses a 288-pin layout for compatible notebook platforms. A single module fills one slot and runs at the slowest speed of any installed memory or the processor limit. A 64-bit operating system is required to address the full capacity.

Suited for DDR5 laptop slots

Ideal for owners of laptops or compact systems that accept 288-pin DDR5 SODIMMs and need a 16GB non-ECC upgrade. Not suited for machines that only accept full-size DIMMs, for builds requiring ECC or registered memory, or for users who must populate every slot with matched pairs from the same production lot. Mixing modules is possible but will reduce all memory to the lowest common speed.

DDR5 4800 CL40 timing

The 40-40-40-96 timing at 4800MHz determines whether this module matches the platform's supported JEDEC profile. If the system firmware expects a different latency set or a higher data rate, the memory will downclock to the lowest common denominator. Verify the platform's qualified vendor list for this exact timing before purchase.

How it compares

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

Price $164.99
Cheaper than about 60% 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).
CAS latency 40
Higher than about 70% of the 483 comparable items (median 22).
Price per GB $10.31 per GB
Typical for this category: the median of 20,941 items is $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
Part numberCM2048644800SO
Total capacity16 GB
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latency40
Memory timings40-40-40-96
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Power
Rated voltage1.1 V

Questions about this item

How much power does the 1.1V DDR5 SODIMM draw under sustained load?

The module operates at 1.1V, the standard DDR5 voltage, which keeps power draw low during continuous operation; exact wattage depends on the laptop's memory controller and workload.

What must the laptop provide for this 288-pin SODIMM to function?

A DDR5 SODIMM slot, a 64-bit operating system, and a CPU or chipset that supports 4800MHz DDR5 at 1.1V; the system will run at the slowest installed module's speed.

Will this 4800MHz CL40 module slow down if paired with older DDR5 sticks?

Yes, all memory runs at the slowest installed module's speed and timings, so mixing with slower DDR5 reduces overall performance to that lower level.

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