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

A-Tech

A-Tech 4GB DDR3 1333MHz PC3-10600 204-Pin SODIMM CL9 1.5V laptop RAM for Dell A3520621 A3944744 A4501458

SKU CH-7N84-FD6DG

4GB DDR3 1333MHz SODIMM laptop memory upgrade compatible with Dell A3520621, A3944744, A4501458

  • Total capacity4 GB
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • Boosts multitasking with 4GB DDR3 1333MHz capacity
  • Fits Dell A3520621 A3944744 A4501458 part numbers
  • Standard 204-pin SODIMM installs in laptop slot
  • CL9 latency at 1.5V ensures stable operation
  • Tested modules with major-brand chips for reliability

DDR3 1333MHz SODIMM for Dell laptops

This A-Tech module provides 4GB of DDR3 memory at 1333MHz (PC3-10600) in a 204-pin SODIMM form factor. It operates at the standard 1.5V with CL9 latency and uses unbuffered, non-ECC architecture. The stick is built with major-brand chips and serves as a direct replacement for Dell part numbers A3520621, A3944744 and A4501458.

Suitable for DDR3 laptop upgrades only

This module fits laptops and all-in-one systems that accept DDR3 SODIMMs at 1.5V and have a free 204-pin slot. It will not work in machines that require ECC or registered memory, nor in platforms limited to lower voltages such as 1.35V. Systems needing more than 4GB per slot or a different DDR generation must use other memory.

Speed rating PC3-10600

The decisive specification is the 1333MHz DDR3 speed grade, labelled PC3-10600. Your system’s memory controller must support this exact rate; otherwise the module will not function correctly. Verify the supported memory specifications of your laptop before ordering to ensure compatibility.

How it compares

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

Price $17.99
Cheaper than about 90% of the 2,079 comparable items (median $70.99).
Total capacity 4 GB
Lower than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $4.50 per GB
Cheaper than about 75% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameA-Tech
Total capacity4 GB
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL9
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.5 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

Will this 204-pin DDR3 SODIMM fit in my laptop's memory slot?

The module uses the standard 204-pin SO-DIMM form factor. Check your laptop's service manual to confirm it accepts DDR3 SO-DIMM modules before installing.

Can I add this 4 GB stick alongside my existing DDR3 1333 MHz memory?

Yes, it runs at DDR3 1333 (PC3-10600) with CL9 timing and 1.5 V, matching the standard JEDEC profile for that speed grade.

How do I confirm the module is running at 1333 MHz after installation?

Open Task Manager or a system information tool and check the reported memory speed; it should show 1333 MHz for this module.

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