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

DELL

DELL 1GB DDR2 400MHz PC2-3200U Non-ECC laptop RAM MT16HTF12864AY-40EA1

SKU CH-P79T-ZS1HK

A 1 GB DDR2 laptop module rated at 400 MHz PC2-3200U, non-ECC, validated for listed Dell desktops and workstations

  • 1GB DDR2 capacity extends multitasking headroom on supported Dell desktops
  • 400MHz PC2-3200U speed matches original system timing for stable operation
  • Non-ECC unbuffered design fits standard desktop memory slots without error-correction overhead
  • Micron-built module with gold leads ensures reliable electrical contact over time
  • Validated compatibility across OptiPlex, Dimension, Inspiron, Precision, XPS and Vostro models

Dell DDR2 400 MHz 1 GB module

This is a single 1 GB DDR2 memory stick rated at PC2-3200U with a 400 MHz clock. It uses a non-ECC 2Rx8 organisation and gold contacts. The Micron part number is MT16HTF12864AY-40EA1 and the Dell alternate number is C6796. It is intended for compatible Dell desktop and workstation systems listed by the supplier.

Thermals noise and power in normal use

DDR2 laptop memory operates at low voltage and generates minimal heat during typical workloads. No active cooling is required and the module runs silently inside the chassis. Power draw is negligible compared to system components such as the processor or graphics card.

Bundled accessories and software

No accessories, cables, adapters or software are included with this memory stick. The package contains only the module itself. Buyers who need installation tools, thermal pads or diagnostic utilities must source them separately.

How it compares

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

Price $10.99
Cheaper than about 95% of the 2,079 comparable items (median $70.99).

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

Specifications

Product
Brand nameDell

Questions about this item

How do I install this 1GB DDR2 module in an OptiPlex 740, and what step is often missed?

Power off and unplug the desktop, open the case, align the notch on the module with the slot key, press firmly until both side clips click shut, then verify the system reports the full 1GB at 400MHz in BIOS.

What maintenance or replacement will this Micron DDR2 stick need after extended use?

No routine maintenance is required; if errors appear, reseat the gold leads or test with a memory diagnostic, and replace the module only if faults persist.

What limit appears first when this PC2-3200U memory runs under sustained load in a Precision T3400?

The 400MHz bus speed and DDR2 bandwidth ceiling are reached before latency or capacity become bottlenecks in typical desktop workloads.

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