The Gateway 300 Series 300S Plus uses DDR DIMM ECC PC2100 266MHz, PC2100 266MHz memory upgrades as listed in the detailed specifications below. All memory and other upgrades compatible with this system are listed on this page.

Need Assistance? Please call and speak with one of our expert technicians at 800-240-8577 or US 404-935-4048 to verify exact system specs before ordering.
Memory Type DDR DIMM ECC PC2100 266MHz, PC2100 266MHz
Base Memory 256MB (Removable)
Upgrade Slots 2 Sockets
Maximum Memory 512MB
Maximum Module Size 256MB
CPU & Chipset Intel Celeron 1.8 GHz Intel 845GL Intel Pentium 4 1.8 GHz Intel 845GL
Bus Architecture ~
Part Number 31.1C2/5
266MHz 184pin CL2.5
In Stock
$6.99
View Product
Part Number 31.1C3
266MHz 184pin CL3
In Stock
$6.99
View Product
Part Number 31.2C3
266MHz 184pin CL3
In Stock
$6.99
View Product
Part Number 31.1C2/5H
266MHz 184pin CL2.5
In Stock
$9.99
View Product
Part Number 31.1C3H
266MHz 184pin CL3
In Stock
$9.99
View Product
Part Number 31.2C3H
266MHz 184pin CL3
In Stock
$9.99
View Product
Part Number 31.2C3-2
266MHz 184pin CL3
In Stock
$12.99
View Product
Part Number 31.2C3-2H
266MHz 184pin CL3
In Stock
$19.99
View Product
Part Number 31.1EC3
266MHz 184pin CL3 ECC
Call to Order
$30.99
View Product
Part Number 31.2EC3
266MHz 184pin CL3 ECC
Call to Order
$34.99
View Product
Part Number 31/64mC3
266MHz 184pin CL3
Call to Order
$46.99
View Product
Part Number 31.1EC3H
266MHz 184pin CL3 ECC
Call to Order
$49.99
View Product
Part Number 31.2EC3H
266MHz 184pin CL3 ECC
Call to Order
$54.99
View Product
Part Number 31/64mEC3
266MHz 184pin CL3 ECC
Call to Order
$54.99
View Product
Part Number 31.2EC3-2
266MHz 184pin CL3 ECC
Call to Order
$68.99
View Product
Part Number 31/64mC3H
266MHz 184pin CL3
Call to Order
$74.99
View Product
Part Number 31/64mEC3H
266MHz 184pin CL3 ECC
Call to Order
$87.99
View Product
Part Number 31.2EC3-2H
266MHz 184pin CL3 ECC
Call to Order
$109.99
View Product
Part Number 31.2C3-2
266MHz 184pin CL3
In Stock
$12.99
View Product
Part Number 31.2C3-2H
266MHz 184pin CL3
In Stock
$19.99
View Product
Part Number 31.2EC3-2
266MHz 184pin CL3 ECC
Call to Order
$68.99
View Product
Part Number 31.2EC3-2H
266MHz 184pin CL3 ECC
Call to Order
$109.99
View Product
Part Number 31.2C3
266MHz 184pin CL3
In Stock
$6.99
View Product
Part Number 31.2C3H
266MHz 184pin CL3
In Stock
$9.99
View Product
Part Number 31.2EC3
266MHz 184pin CL3 ECC
Call to Order
$34.99
View Product
Part Number 31.2EC3H
266MHz 184pin CL3 ECC
Call to Order
$54.99
View Product
Part Number 31.1C2/5
266MHz 184pin CL2.5
In Stock
$6.99
View Product
Part Number 31.1C3
266MHz 184pin CL3
In Stock
$6.99
View Product
Part Number 31.1C2/5H
266MHz 184pin CL2.5
In Stock
$9.99
View Product
Part Number 31.1C3H
266MHz 184pin CL3
In Stock
$9.99
View Product
Part Number 31.1EC3
266MHz 184pin CL3 ECC
Call to Order
$30.99
View Product
Part Number 31.1EC3H
266MHz 184pin CL3 ECC
Call to Order
$49.99
View Product
Part Number 31/64mC3
266MHz 184pin CL3
Call to Order
$46.99
View Product
Part Number 31/64mEC3
266MHz 184pin CL3 ECC
Call to Order
$54.99
View Product
Part Number 31/64mC3H
266MHz 184pin CL3
Call to Order
$74.99
View Product
Part Number 31/64mEC3H
266MHz 184pin CL3 ECC
Call to Order
$87.99
View Product

Upgrade References

The table below are references to other manufacturer part numbers which are specific to this device, have identical specifications to our components. This information is made available for your reference.
Part# Source References
D3264B250 256MB DDR PC2100 266MHz ECC DIMM Kingston 31.2EC3
KGW500S/128 128MB DDR PC2100 266MHz DIMM Kingston 31.1C2/5
KGW500S/256 256MB DDR PC2100 266MHz DIMM Kingston 31.2C3