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Green circuit board with black memory chips and gold edge connector

Axiom

Axiom 4X70R38791-AX 16GB DDR4 2666MHz 260pin SoDIMM memory card

SKU CH-69WB-GN4GB MPN 4X70R38791-AX

A 16 GB DDR4 2666 MHz SoDIMM module with 260 pins and 1.20 V operation for compatible Lenovo desktops and ThinkPad P52 workstations

  • 16 GB DDR4 capacity expands multitasking headroom
  • 2666 MHz DDR4-2666 speed feeds data to the CPU faster
  • 20 V low voltage reduces system power draw
  • 260-pin SoDIMM form factor fits compact desktops and mobile workstations
  • Non-ECC buffered design suits Lenovo ThinkCentre M-series and ThinkPad P52 platforms

Purpose-built module

The Axiom 4X70R38791-AX is a 16GB DDR4 SoDIMM rated at 2666MHz with a 1.20V operating voltage. It uses a 260-pin form factor and non-ECC buffered signal processing for stable operation. The module targets Lenovo ThinkCentre desktops and ThinkPad P52 mobile workstations that require this exact pin count and voltage.

Sustained workload behaviour

Buffered signalling reduces electrical load on the memory controller during continuous read and write cycles. The 1.20V supply keeps power draw predictable across long compute sessions. Non-ECC operation means the module does not correct single-bit errors, so data integrity relies on the platform rather than the stick itself.

Deciding specification

The 260-pin SoDIMM form factor is the single attribute that determines fit; a 204-pin or 288-pin slot will not accept this module. Buyers whose systems require ECC memory or a different pin count must select an alternative part.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $156.99
Pricier than about 82% of the 1,947 comparable items (median $46.99).

Specifications

Product
Brand nameAxiom Memory
Size & build
Shipping weight0.23 kg
Package size178 × 51 × 13 mm

Questions about this item

How much power does the 1.20 V DDR4 module draw when it runs all day in a server?

The module operates at 1.20 V, which is the standard DDR4 voltage, keeping heat and power draw low during continuous use.

What must my system already have to accept this 260-pin SoDIMM?

A DDR4 SoDIMM slot that supports 2666 MHz PC4-21300 non-ECC buffered memory.

Will this stick work beside the original memory in my ThinkPad P52?

Yes, it matches the P52's DDR4-2666 non-ECC specification, so it can run alongside the factory module.

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