The IBM/Lenovo IdeaCentre B305 Series uses DDR3 SODIMM PC3-10600 1333MHz 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 DDR3 SODIMM PC3-10600 1333MHz
Base Memory 2 GB (Removable) or 4 GB (Removable)
Upgrade Slots 2 Sockets
Maximum Memory 4 GB
Maximum Module Size 2GB
CPU & Chipset AMD Athlon II X4 Quad-Core (AM3) AMD 760G AMD Athlon II X3 Triple-Core (AM3) AMD 760G AMD Athlon II X2 Dual-Core (AM3) AMD 760G
Bus Architecture Flash - SDHC; SSD - SATA 2.5-inch 9.5mm; USB
Manufacturer Part Numbers
  • 4031-xxx
Part Number 72.5C9
1333MHz 204pin CL9
Call to Order
$10.99
View Product
Part Number 721C9
1333MHz 204pin CL9
In Stock
$12.99
View Product
Part Number 722C9
1333MHz 204pin CL9
In Stock
$15.99
View Product
Part Number 72.5C9H
1333MHz 204pin CL9
Call to Order
$17.99
View Product
Part Number 721C9H
1333MHz 204pin CL9
In Stock
$19.99
View Product
Part Number 721C9-2
1333MHz 204pin CL9
In Stock
$24.99
View Product
Part Number 722C9H
1333MHz 204pin CL9
In Stock
$24.99
View Product
Part Number 722C9-2
1333MHz 204pin CL9
In Stock
$30.99
View Product
Part Number 721C9-2H
1333MHz 204pin CL9
In Stock
$39.99
View Product
Part Number 722C9-2H
1333MHz 204pin CL9
In Stock
$49.99
View Product
Part Number SSD/64G
Call to Order
$99.99
View Product
Part Number SSD/96G
Call to Order
$148.99
View Product
Part Number SSD/64GH
Call to Order
$159.99
View Product
Part Number SSD/96GH
Call to Order
$239.99
View Product
Part Number SSD/120G
Call to Order
$247.99
View Product
Part Number SSD/128G
Call to Order
$263.99
View Product
Part Number SSD/120GH
Call to Order
$399.99
View Product
Part Number SSD/256G
Call to Order
$402.99
View Product
Part Number SSD/128GH
Call to Order
$424.99
View Product
Part Number SSD/256GH
Call to Order
$649.99
View Product
Part Number SSD/512G
Call to Order
$929.99
View Product
Part Number SSD/512GH
Call to Order
$1499.99
View Product
Part Number 722C9-2
1333MHz 204pin CL9
In Stock
$30.99
View Product
Part Number 722C9-2H
1333MHz 204pin CL9
In Stock
$49.99
View Product
Part Number 722C9
1333MHz 204pin CL9
In Stock
$15.99
View Product
Part Number 721C9-2
1333MHz 204pin CL9
In Stock
$24.99
View Product
Part Number 722C9H
1333MHz 204pin CL9
In Stock
$24.99
View Product
Part Number 721C9-2H
1333MHz 204pin CL9
In Stock
$39.99
View Product
Part Number 721C9
1333MHz 204pin CL9
In Stock
$12.99
View Product
Part Number 721C9H
1333MHz 204pin CL9
In Stock
$19.99
View Product
Part Number 72.5C9
1333MHz 204pin CL9
Call to Order
$10.99
View Product
Part Number 72.5C9H
1333MHz 204pin CL9
Call to Order
$17.99
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
KTL-TP3B/2G 2GB DDR3 PC3-10600 1333MHz SODIMM Kingston 722C9
SH100S3/120G 120GB Solid State Drive Kingston SSD/120G
SV100S2/64GZ 64GB Solid State Drive Kingston SSD/64G
SVP100S2/96G 96GB Solid State Drive Kingston SSD/96G
SVP100S2/128G 128GB Solid State Drive Kingston SSD/128G
SVP100S2/256G 256GB Solid State Drive Kingston SSD/256G
SVP100S2/512G 512GB Solid State Drive Kingston SSD/512G
SVP100S2B/96G 96GB Kit of 2 48GB Solid State Drive Kingston SSD/48G-2
SVP100S2B/128G 128GB Kit of 2 64GB Solid State Drive Kingston SSD/64G-2
SVP100S2B/256G 256GB Kit of 2 128GB Solid State Drive Kingston SSD/128G-2
SVP100S2B/512G 512GB Kit of 2 256GB Solid State Drive Kingston SSD/256G-2