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

Axiom

Axiom 4X70J67436-AX 16 GB DDR4 SO-DIMM 2133 MHz CL15 server RAM

SKU CH-Z5KS-P1HD5 MPN 4X70J67436-AX

16 GB DDR4 SO-DIMM running at 2133 MHz CL15 with 1.2 V unbuffered non-ECC operation for compatible Lenovo systems

  • 16 GB capacity runs multiple demanding programs together
  • 2133 MHz speed with CL15 latency keeps performance smooth
  • 260-pin DDR4-2133/PC4-17000 interface synchronises signals for efficient transfer
  • 2 V operation cuts power draw by 20% compared with DDR3
  • 300% higher density over DDR3 fits more memory per module

Target systems and capacity

This 16 GB DDR4 SO-DIMM is built for the S400Z, S500Z, ThinkCentre M700 Tiny, M700Z, M800Z, M900 Tiny and M900Z platforms. It suits administrators upgrading those specific small-form-factor or all-in-one units. Builders needing ECC protection or higher densities should look elsewhere.

Thermals noise and power

Operating at 1.2 V, the module draws 20% less power than equivalent DDR3 parts, reducing waste heat inside compact chassis. The unbuffered, non-ECC design adds no active cooling requirement and produces no audible noise. Lower thermal load helps the host system maintain stable operation.

Compatibility guarantee and warranty

Axiom validates each stick against the listed ThinkCentre models so the 260-pin DDR4-2133/PC4-17000 interface synchronises correctly at 2133 MHz CL15. The lifetime warranty from the OEM Alternative programme covers replacement if a compatibility fault appears. No extra software or cables are bundled.

How it compares

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

Price $55.99
Cheaper than about 82% of the 6,523 comparable items (median $188.99).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Size & build
Shipping weight0.05 kg
Package size90 × 70 × 10 mm

Questions about this item

How do I install this 260-pin SO-DIMM and which orientation step is often missed?

Align the notch on the module with the key in the slot, press firmly at both ends until the side clips click shut; the notch is off-centre so it only fits one way.

What maintenance or replacement will this 16 GB DDR4 module need later?

No scheduled maintenance is required; if a memory error appears, replace the module — DDR4 does not degrade with normal use.

What limit appears first under sustained load with CL15 latency at 2133 MHz?

The CL15 timing at 2133 MHz sets the latency floor; the memory controller will hit that timing ceiling before bandwidth saturates.

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