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A-Tech 64GB RAM for Dell Precision 5820 vs Dell Precision 3490 Mobile Workstation AI PC… — Head-to-Head (2026)

The specs side by side, with links to both product pages.

A-Tech 64GB RAM for Dell Precision 5820, 7865, T5820, T5820XL | DDR4 3200MHz PC4-25600 ECC RDIMM 2Rx4 Registered Server Memory Upgrade

A-Tech 64GB RAM for Dell Precision 5820, 7865, T5820, T5820XL | DDR4 3200MHz PC4-25600 ECC RDIMM 2Rx4 Registered Server Memory Upgrade

$935.77
🛒 Buy on Amazon — $935.77
vs
Dell Precision 3490 Mobile Workstation AI PC Laptop (14" FHD, Intel 16-Core Ultra 7 155H (> i9-12900H), 64GB DDR5 RAM, 2TB SSD) Business, Engineer, IST HUB, Thunderbolt 4, 1080p Webcam, Win 11 Pro

Dell Precision 3490 Mobile Workstation AI PC Laptop (14" FHD, Intel 16-Core Ultra 7 155H (> i9-12900H), 64GB DDR5 RAM, 2TB SSD) Business, Engineer, IST HUB, Thunderbolt 4, 1080p Webcam, Win 11 Pro

$1999.99
🛒 Buy on Amazon — $1,999.99

*Price sourced from Amazon.com. Last updated 2026-11-07. Price and availability subject to change.

Spec-by-spec

SpecA-Tech 64GB RAM for Dell Precision…Dell Precision 3490 Mobile Workstation…
BrandA-TechDell
Model NameASN798Dell Mobile Workstation 3490
Form FactorDIMMUltra-Portable
Memory Speed3200 MHz4800 MHz
Model NumberASN798Precision 3490
Compatible DevicesPrecision 5820, 7865, T5820, T5820XLExternal displays (HDMI or Thunderbolt 4)
Warranty DescriptionLimited Lifetime Warranty Covering Defects In Materials And Workmanship1 year manufacturer
RAM Memory TechnologyDDR4DDR5
Voltage1.2 Volts—
RAM Size64 GB—
Number of Pins288—
Data Transfer Rate25600 Megabytes Per Second—
Additional FeaturesECC Registered—
Computer Memory Size64 GB—

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