The Toshiba Satellite R850-127 uses DDR3 SODIMM PC3-10600 1333MHz, PC3-12800 1600MHz 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, PC3-12800 1600MHz
Base Memory 2GB (Removable) or 4GB (Removable) or 6GB (Removable)
Upgrade Slots 2 Socket(s)
Maximum Memory 8GB
Maximum Module Size 4GB
CPU & Chipset Intel Core i5 / Intel HM65 2.30 GHz
Bus Architecture SSD - SATA 2.5-inch 9.5mm; USB
Notes Important: If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation). Maximum configurations require a 64-bit operating system.
Manufacturer Part Numbers
  • N/A
Part Number 72.5C9
1333MHz 204pin CL9
Call to Order
$10.99
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Part Number 73.5C9
1600MHz 204pin CL9
Call to Order
$10.99
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Part Number 731C9
1600MHz 204pin CL9
Unavailable
$10.99
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Part Number 721C9
1333MHz 204pin CL9
In Stock
$12.99
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Part Number 722C9
1333MHz 204pin CL9
In Stock
$15.99
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Part Number 72.5C9H
1333MHz 204pin CL9
Call to Order
$17.99
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Part Number 73.5C9H
1600MHz 204pin CL9
Call to Order
$17.99
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Part Number 731C9H
1600MHz 204pin CL9
Unavailable
$17.99
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Part Number 732C9
1600MHz 204pin CL9
In Stock
$18.99
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Part Number 721C9H
1333MHz 204pin CL9
In Stock
$19.99
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Part Number 724C9
1333MHz 204pin CL9
In Stock
$21.99
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Part Number 731C9-2
1600MHz 204pin CL9
Unavailable
$21.99
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Part Number 734C9
1600MHz 204pin CL9
In Stock
$23.99
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Part Number 721C9-2
1333MHz 204pin CL9
In Stock
$24.99
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Part Number 722C9H
1333MHz 204pin CL9
In Stock
$24.99
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Part Number 732C9H
1600MHz 204pin CL9
In Stock
$29.99
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Part Number 722C9-2
1333MHz 204pin CL9
In Stock
$30.99
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Part Number 724C9H
1333MHz 204pin CL9
In Stock
$34.99
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Part Number 731C9-2H
1600MHz 204pin CL9
Unavailable
$34.99
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Part Number 732C9-2
1600MHz 204pin CL9
In Stock
$37.99
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Part Number 734C9H
1600MHz 204pin CL9
In Stock
$37.99
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Part Number 721C9-2H
1333MHz 204pin CL9
In Stock
$39.99
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Part Number 724C9-2
1333MHz 204pin CL9
In Stock
$43.99
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Part Number 734C9-2
1600MHz 204pin CL9
In Stock
$46.99
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Part Number 722C9-2H
1333MHz 204pin CL9
In Stock
$49.99
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Part Number 732C9-2H
1600MHz 204pin CL9
In Stock
$59.99
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Part Number 724C9-2H
1333MHz 204pin CL9
In Stock
$69.99
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Part Number 734C9-2H
1600MHz 204pin CL9
In Stock
$74.99
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Part Number SSD/60G
Call to Order
$92.99
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Part Number SSD/64G
Call to Order
$99.99
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Part Number SSD/64GY
Call to Order
$99.99
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Part Number SSD/30G
Call to Order
$123.99
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Part Number SSD/80G
Call to Order
$123.99
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Part Number SSD/96G
Call to Order
$148.99
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Part Number SSD/60GH
Call to Order
$149.99
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Part Number SSD/64GH
Call to Order
$159.99
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Part Number SSD/64GYH
Call to Order
$159.99
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Part Number SSD/30GH
Call to Order
$199.99
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Part Number SSD/80GH
Call to Order
$199.99
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Part Number SSD/96GH
Call to Order
$239.99
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Part Number SSD/128G
Call to Order
$263.99
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Part Number SSD/128GY
Call to Order
$263.99
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Part Number SSD/256G
Call to Order
$402.99
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Part Number SSD/256GY
Call to Order
$402.99
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Part Number SSD/128GH
Call to Order
$424.99
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Part Number SSD/128GYH
Call to Order
$424.99
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Part Number SSD/256GH
Call to Order
$649.99
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Part Number SSD/256GYH
Call to Order
$649.99
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Part Number SSD/512G
Call to Order
$929.99
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Part Number SSD/512GH
Call to Order
$1499.99
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Part Number 724C9-2
1333MHz 204pin CL9
In Stock
$43.99
View Product
Part Number 734C9-2
1600MHz 204pin CL9
In Stock
$46.99
View Product
Part Number 724C9-2H
1333MHz 204pin CL9
In Stock
$69.99
View Product
Part Number 734C9-2H
1600MHz 204pin CL9
In Stock
$74.99
View Product
Part Number 724C9
1333MHz 204pin CL9
In Stock
$21.99
View Product
Part Number 734C9
1600MHz 204pin CL9
In Stock
$23.99
View Product
Part Number 722C9-2
1333MHz 204pin CL9
In Stock
$30.99
View Product
Part Number 724C9H
1333MHz 204pin CL9
In Stock
$34.99
View Product
Part Number 732C9-2
1600MHz 204pin CL9
In Stock
$37.99
View Product
Part Number 734C9H
1600MHz 204pin CL9
In Stock
$37.99
View Product
Part Number 722C9-2H
1333MHz 204pin CL9
In Stock
$49.99
View Product
Part Number 732C9-2H
1600MHz 204pin CL9
In Stock
$59.99
View Product
Part Number 722C9
1333MHz 204pin CL9
In Stock
$15.99
View Product
Part Number 732C9
1600MHz 204pin CL9
In Stock
$18.99
View Product
Part Number 731C9-2
1600MHz 204pin CL9
Unavailable
$21.99
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 732C9H
1600MHz 204pin CL9
In Stock
$29.99
View Product
Part Number 731C9-2H
1600MHz 204pin CL9
Unavailable
$34.99
View Product
Part Number 721C9-2H
1333MHz 204pin CL9
In Stock
$39.99
View Product
Part Number 731C9
1600MHz 204pin CL9
Unavailable
$10.99
View Product
Part Number 721C9
1333MHz 204pin CL9
In Stock
$12.99
View Product
Part Number 731C9H
1600MHz 204pin CL9
Unavailable
$17.99
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 73.5C9
1600MHz 204pin CL9
Call to Order
$10.99
View Product
Part Number 72.5C9H
1333MHz 204pin CL9
Call to Order
$17.99
View Product
Part Number 73.5C9H
1600MHz 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
KTT-S3B/2G 2GB DDR3 PC3-10600 1333MHz SODIMM Kingston 722C9
KTT-S3B/4G 4GB DDR3 PC3-10600 1333MHz SODIMM Kingston 724C9
SNV125-S2/30GB 30GB Solid State Drive Kingston SSD/30G
SNV425-S2/128GB 128GB Solid State Drive Kingston SSD/128G
SNVP325-S2B/128GB 128GB Kit of 2 64GB Solid State Drive Kingston SSD/64G-2
SV100S2/64GZ 64GB Solid State Drive Kingston SSD/64G
SV100S2/256GZ 256GB Solid State Drive Kingston SSD/256G
SVP100ES2/64G 64GB Solid State Drive AES Encryption Kingston SSD/64GY
SVP100ES2/128G 128GB Solid State Drive AES Encryption Kingston SSD/128GY
SVP100ES2/256G 256GB Solid State Drive AES Encryption Kingston SSD/256GY
SVP100S2/96G 96GB Solid State Drive Kingston SSD/96G
SVP100S2/512G 512GB Solid State Drive Kingston SSD/512G
SVP100S2B/64G 64GB Kit of 2 32GB Solid State Drive Kingston SSD/32G-2
SVP100S2B/96G 96GB Kit of 2 48GB Solid State Drive Kingston SSD/48G-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
CT2169269 8GB Kit of 2 4GB DDR3 PC3-10600 1333MHz SODIMM Crucial 724C9-2
CT2169259 512GB Solid State Drive Crucial SSD/512G
KTT-S3BS/2G 2GB DDR3 PC3-10600 1333MHz SODIMM Kingston 722C9
KHX1600C9S3P1K2/4G 4GB Kit of 2 2GB DDR3 PC3-12800 1600MHz SODIMM Kingston 732C9-2
KHX1600C9S3P1K2/8G 8GB Kit of 2 4GB DDR3 PC3-12800 1600MHz SODIMM Kingston 734C9-2
SVP200S3/60G 60GB Solid State Drive Kingston SSD/60G
SVP200S3B/60G 60GB Solid State Drive Kingston SSD/60G
SV200S3N7A/64G 64GB Kit of 2 32GB Solid State Drive Kingston SSD/32G-2
SVP200S37A/60G 60GB Solid State Drive Kingston SSD/60G
SVP200S3B7A/60G 60GB Kit of 2 30GB Solid State Drive Kingston SSD/30G-2
KTT-S3BS/4G 4GB DDR3 PC3-10600 1333MHz SODIMM Kingston 724C9
SH103S3/480G 80GB Solid State Drive Kingston SSD/80G
SH103S3B/480G 480GB Kit of 2 240GB Solid State Drive Kingston SSD/240G-2
SKC300S37A/480G 80GB Solid State Drive Kingston SSD/80G
KTT-S3CS/4G 4GB DDR3 PC3-12800 1600MHz SODIMM Kingston 734C9
SV310S3B7A/960G 960GB SSDNow V310 SATA 3 2.5 (7mm height) Upgrade Bundle Kit w/Adapter Bundle Kit,SATA3 (6Gbps),V310 Series, SSD 2.5-inch 7mm Kingston
SKC300S3B7A/480G 480GB Kit of 2 240GB Solid State Drive Kingston SSD/240G-2