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Two green DDR4 SO-DIMM sticks with black chips

Mushkin Enhanced

Mushkin Enhanced MES4S266KF4GX2 8GB (2x4GB) DDR4 2666 laptop RAM

SKU CH-FF66-JF3HP MPN MES4S266KF4GX2

Dual-channel 8 GB DDR4 SO-DIMM kit running at 2666 MHz for laptop upgrades

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • Product type260-Pin DDR4 SO-DIMM
  • 8 GB dual-channel kit boosts multitasking responsiveness
  • 2666 MHz DDR4 SO-DIMM matches JEDEC standard speed
  • 260-pin form factor fits standard laptop slots
  • TAA-compliant build meets government procurement requirements
  • 100 % tested modules backed by lifetime warranty

Kit details

This Mushkin Essentials kit provides 8 GB of DDR4 laptop memory in a matched pair of 4 GB modules. The 260-pin SO-DIMM format fits standard notebook slots and runs at 2666 MHz with PC4-21300 bandwidth.

Who it suits

Builders upgrading a DDR4 laptop that accepts 260-pin SO-DIMMs and needs a modest capacity boost for everyday multitasking. Buyers whose systems require a different pin count, a faster data rate, or single modules larger than 4 GB should look at other kits.

Deciding specification

The 260-pin DDR4 SO-DIMM form factor and 2666 MHz speed are the critical match points; verify that your laptop supports this exact pin layout and frequency before purchasing.

How it compares

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

Price $58.99
Cheaper than about 55% of the 2,079 comparable items (median $70.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 60% of the 1,886 comparable items (median 16 GB).
Price per GB $7.37 per GB
Pricier than about 64% 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
Total capacity8 GB (2 × 4 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)

Questions about this item

How much power does the 2666 MHz DDR4 kit draw when the laptop runs all day?

The modules follow standard DDR4 voltage, so power draw stays low during continuous use.

What slot type must the laptop already have for these modules to fit?

The kit uses 260-pin DDR4 SO-DIMM slots, the standard socket for DDR4 laptop memory.

Will the 2666 MHz speed run stably in a system that currently uses slower DDR4 modules?

The memory meets JEDEC specifications and will downclock to match the system's supported speed.

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