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Green circuit board SODIMM module with black memory chips and gold contacts

OWC

OWC 8GB DDR5 4800 CL40 1Rx16 SODIMM memory upgrade

SKU CH-47A4-QXPW5

8GB DDR5 4800 SODIMM upgrades compatible Alienware M15 R7, M16 R1, M17 R5 AMD, M18 R1 AMD, X17 R2

  • Total capacity8 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Memory rank1Rx16
  • 8GB DDR5 4800 MHz module lifts multitasking headroom
  • CL40 latency and 1.1 V keep power draw low
  • 262-pin SODIMM fits Alienware M15 R7, M16 R1, M17 R5 AMD, M18 R1 AMD, X17 R2
  • JEDEC-standard build ensures warranty-safe upgrade
  • Single 1Rx16 rank simplifies DIY installation

Single-module 8 GB DDR5 upgrade

This OWC SODIMM adds 8 GB of DDR5 memory to compatible Alienware laptops. It targets owners of the M15 R7, M16 R1, M17 R5 AMD, M18 R1 AMD or X17 R2 who need more capacity for multitasking. The module is a non-ECC, unbuffered 262-pin stick rated at 4800 MT/s with CL40 latency.

Fits a single SO-DIMM slot at 1.1 V

Installation uses one available SO-DIMM socket in the notebook and draws 1.1 V, matching the platform's standard DDR5 voltage. No heat spreader is fitted, so the module sits flush in tight laptop chassis. The upgrade frees the existing slot configuration for a second module if the system supports dual-channel operation.

Steady JEDEC-rated throughput

The memory runs at its JEDEC 4800 speed continuously without overclocking headroom or XMP profiles. Sustained workloads such as large file edits or virtual machines see consistent bandwidth at CL40 timings. Buyers who need ECC error correction or registered buffering should look elsewhere, as this stick is strictly non-ECC unbuffered.

How it compares

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

Price $126.99
Cheaper than about 64% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $15.87 per GB
Pricier than about 62% 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 number4S8D51R608 GB
Total capacity8 GB
Product type262-Pin DDR5 Non-ECC SODIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx16
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsAlienware M15 R7
Alienware M16 R1
Alienware M17 R5 AMD
Alienware M18 R1 AMD
Alienware X17 R2

Other versions of this model

5 more in the same range

Questions about this item

How much voltage does the 4800MHz DDR5 SODIMM draw under sustained load?

The module operates at 1.1V, the standard JEDEC voltage for DDR5 4800 SODIMMs.

Does the 262-pin DDR5 4800 CL40 stick produce noticeable heat or fan noise during all-day use?

It has no heat spreader and runs at the low 1.1V JEDEC voltage, so thermal output stays minimal in typical laptop chassis.

Which Alienware models must I already own for this 8GB 1Rx16 SODIMM to work?

Compatible systems are Alienware M15 R7, M16 R1, M17 R5 AMD, M18 R1 AMD and X17 R2.

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