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Green circuit board with black memory chips and gold edge connector

A-Tech

A-Tech 4GB DDR4 2133MHz CL15 1.2V 260-Pin SODIMM for Samsung M471A5143DB0-CPB M471A5143EB0-CPB Laptop RAM

SKU CH-MRTJ-ZV733

4GB DDR4 2133MHz SODIMM laptop memory module with CL15 latency and 1.2V operation

  • Total capacity4 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • Boosts multitasking with 4GB DDR4 2133MHz CL15 module
  • Runs at standard 1.2V for efficient laptop operation
  • 260-pin SODIMM fits compatible DDR4 laptop slots
  • Replaces Samsung M471A5143DB0-CPB and M471A5143EB0-CPB modules
  • Tested for reliable performance in AMD and Intel systems

4GB DDR4 2133MHz SODIMM Laptop Memory

This 4GB DDR4 module is built for laptop and all-in-one systems that accept 260-pin SO-DIMM memory. It suits users who need a straightforward capacity increase for everyday multitasking and faster application loading.

CL15 CAS Latency at 1.2V

The module runs at DDR4 2133MHz (PC4-17000) with a CL15 latency and standard 1.2V operation. This specification determines whether the memory matches your system's supported speed and timing requirements for stable operation.

Direct Replacement for Samsung M471A5143DB0-CPB

The memory is validated as a compatible equivalent for those specific Samsung part numbers. Buyers who need a different capacity, a higher frequency, ECC support, or a different pin count will need a different module.

How it compares

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

Price $28.99
Cheaper than about 75% 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 $7.25 per GB
Pricier than about 63% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameA-Tech
Total capacity4 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

What does 2133 MHz mean for everyday laptop performance?

The 2133 MHz rating sets the maximum data rate the module can sustain; actual throughput depends on the laptop's memory controller and any BIOS limits.

How does the PC4-17000 label relate to real-world bandwidth?

PC4-17000 denotes a peak transfer rate of 17 000 MB/s; the system will cap at the lowest common speed between this stick and any existing memory.

Will the 260-pin SO-DIMM fit my laptop's memory slot?

Yes, the 260-pin DDR4 SO-DIMM form factor matches the standard slot used in compatible laptops; verify your model supports DDR4 before installing.

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