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

A-Tech

A-Tech 8GB DDR4 3200 CL22 260-Pin SODIMM Laptop RAM

SKU CH-SNS3-JSEN0

8GB DDR4 3200 SODIMM laptop memory with CL22 latency and 1.2V operation

  • Total capacity8 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • 8GB capacity adds multitasking headroom for everyday workloads
  • DDR4 3200 speed matches PC4-25600 spec for faster data rates
  • CL22 latency keeps timing tight at standard 1.2V
  • 260-pin SODIMM form factor fits compatible laptop slots
  • Replaces Lenovo part numbers 4X70Z90846 and 4X71D09533

8GB DDR4 3200 SODIMM for Laptop Upgrades

This 8GB DDR4 module runs at 3200MHz with CL22 latency and 1.20V operation. It uses a 260-pin SO-DIMM form factor built with major brand chips. The unbuffered, non-ECC design targets AMD and Intel laptop platforms. It serves as a direct replacement for Lenovo part numbers 4X70Z90846 and 4X71D09533.

Check Your Laptop DDR4 Slot and Speed Support

Verify that your system accepts DDR4 SO-DIMM memory before ordering. Confirm the maximum supported speed and whether 3200MHz modules will run at that rate or downclock. Ensure a free 260-pin slot is available for a single 8GB stick. The module is unbuffered and non-ECC, so the platform must support that configuration.

Fits Standard DDR4 Laptop Slots, Frees Up Capacity

The 260-pin SO-DIMM installs directly into compatible laptop memory sockets without adapters. Standard 1.20V DDR4 voltage works with typical mobile power delivery. Adding this module increases total memory for multitasking and heavier workloads. Buyers needing more than 8GB total or a dual-channel kit should look for additional modules.

How it compares

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

Price $51.99
Cheaper than about 58% of the 2,079 comparable items (median $70.99).
Total capacity 8 GB
Lower than about 60% of the 1,886 comparable items (median 16 GB).
Price per GB $6.50 per GB
Pricier than about 56% 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
Total capacity8 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

What comes in the box and is anything else needed for installation?

The package contains one 8GB 260-pin DDR4 SO-DIMM module. No extra parts or tools are required beyond a compatible laptop slot.

How do I decide between the listed Lenovo part numbers 4X70Z90846 and 4X71D09533?

Both part numbers refer to the same 8GB DDR4 3200 CL22 specification; choose the one that matches your system's service manual.

What does the CL22 latency mean for real-world laptop performance?

CL22 is the CAS latency timing at 3200MHz; lower latency can improve responsiveness in memory-sensitive tasks.

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