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Green rectangular circuit board with black memory chips and gold edge connector

A-Tech

A-Tech 48GB DDR5 4800MHz CL40 262-Pin SODIMM Laptop RAM

SKU CH-3BY9-ZJXPN

A 48 GB DDR5 laptop module running at 4800 MHz with CL40 latency and 1.10 V operation

  • Total capacity48 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Recommended forCompatible Replacement for Mushkin MRA5S480FGGD48GX2
  • 48 GB capacity lets you run heavy workloads without swapping
  • DDR5 4800 MT/s speed raises memory bandwidth for faster data access
  • CL40 latency keeps timing tight for responsive multitasking
  • 10 V operation matches the DDR5 standard for efficient power use
  • 262-pin SO-DIMM form factor fits compatible laptop memory slots

48GB DDR5 4800 SODIMM laptop memory

This A-Tech module provides 48GB of DDR5 4800 (PC5-38400) memory in a single 262-pin SO-DIMM. It runs at 1.10V with CL40 latency and is built as a compatible replacement for the Mushkin MRA5S480FGGD48GX2. The unbuffered, non-ECC design targets laptop, notebook and all-in-one upgrades.

Suits laptops with a single DDR5 slot needing

Systems limited to lower memory speeds or smaller maximum module sizes will not benefit from the full 48GB specification. Buyers whose devices require registered or error-correcting memory cannot use this unbuffered, non-ECC module.

Single 48GB module at DDR5 4800 CL40

The 48GB density in one stick decides whether your laptop can accept this capacity per slot. Verify the manufacturer’s supported memory specifications before purchase to ensure compatibility.

How it compares

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

Price $573.99
Pricier than about 91% of the 2,079 comparable items (median $70.99).
Total capacity 48 GB
Higher than about 91% of the 1,886 comparable items (median 16 GB).
Price per GB $11.96 per GB
Pricier than about 88% 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 nameA-Tech
Product lineCompatible Replacement for Mushkin
Model nameMRA5S480FGGD48GX2
Total capacity48 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 forCompatible Replacement for Mushkin MRA5S480FGGD48GX2

Questions about this item

My laptop only has 262-pin DDR5 SO-DIMM slots — will this 48 GB module fit?

Yes, the module is a 262-pin DDR5 SO-DIMM, the standard form factor for DDR5 laptop memory.

Can I keep my existing 4800 MHz DDR5 stick and add this CL40 module alongside it?

Both modules run at 4800 MHz; the system will operate at the slowest timing, so mixing CL40 with tighter-timed sticks is functional but not optimal.

After installing the stick, how can I confirm it is running at the rated 4800 MT/s?

Open Task Manager or a tool like CPU-Z and check the memory speed reading; it should show 4800 MT/s (PC5-38400) at 1.10 V.

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