We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Green rectangular circuit board with black memory chips and gold edge connector

A-Tech

A-Tech 8GB DDR4 2666MHz CL19 1Rx8 SODIMM laptop RAM

SKU CH-B8BD-9VN19

An 8 GB DDR4 2666 MHz SODIMM module with CL19 latency and 1.2 V operation for compatible laptop upgrades

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forAMD & Intel Compatible
  • 8GB capacity lets you run more applications smoothly
  • DDR4 2666MHz speed moves data faster for responsive multitasking
  • CL19 latency and 1.20V voltage balance performance with efficiency
  • 260-pin SODIMM form factor fits compatible laptop memory slots
  • Major-brand chips and quality testing deliver reliable operation

8GB DDR4 2666MHz SODIMM for laptop upgrades

This 8GB DDR4 2666MHz CL19 1Rx8 SODIMM module is built for laptops, notebooks and all-in-one systems that accept 260-pin DDR4 SO-DIMMs. It runs at the standard 1.20V and uses unbuffered non-ECC chips from major brands.

Suits owners replacing a Lenovo part

It matches the Lenovo part numbers 01AG818, 01AG837, 01AG867, SM30K25288, SM30K25294, SM30K25311, SM30N76488, SM30N76493, SM30N76498 and SM30N76541. Buyers whose systems require ECC, registered modules or a different pin count should look elsewhere.

260-pin DDR4 SO-DIMM form factor decides fit

The module is a 260-pin DDR4 SO-DIMM, so it only installs in slots built for that exact form factor. Verify your system’s supported memory specifications before ordering to ensure compatibility.

How it compares

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

Price $46.99
Cheaper than about 60% 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 $5.87 per GB
Typical for this category: the median of 1,886 items is $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 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

How much power does the 1.20V DDR4 2666MHz module draw when the laptop runs all day?

The module operates at the standard DDR4 voltage of 1.20V, keeping power draw low during continuous use.

What must the laptop already have for this 260-pin SODIMM to fit and work?

An available DDR4 SO-DIMM slot that accepts 260-pin modules and supports 2666MHz (PC4-21300) memory.

Will this unbuffered non-ECC 8GB stick run in a system that currently uses registered ECC memory?

No, this is an unbuffered non-ECC module and cannot mix with registered or ECC memory.

More in Laptop RAM

Similar items