The IBM/Lenovo ThinkPad T61 6457, 6458, 6459-xxx uses DDR2 SODIMM PC2-5300 667MHz memory upgrades as listed in the detailed specifications below. All memory and other upgrades compatible with this system are listed on this page.

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Memory Type DDR2 SODIMM PC2-5300 667MHz
Base Memory 512 MB (Removable) or 1 GB (Removable) or 2 GB (Removable)
Upgrade Slots 2 Sockets
Maximum Memory 3 GB with Windows Vista 32-bit 8 GB with Windows Vista 64-bit
Maximum Module Size 4GB
CPU & Chipset Intel Core 2 Duo Intel PM965 Intel Core 2 Duo Intel GM965
Bus Architecture Flash - SDHC; PC Card; SSD - SATA 2.5-inch 9.5mm; USB
Notes Notebooks with 32-bit operating systems, if 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation). Notebooks with 64-bit operating systems, can recognize the full 8GB.
Manufacturer Part Numbers
  • 6457-xxx
  • 6458-xxx
  • 6459-xxx
Part Number 63.2C6
667MHz 200pin CL6
In Stock
$4.99
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Part Number 63.5C6
667MHz 200pin CL6
In Stock
$6.99
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Part Number 63.2C6H
667MHz 200pin CL6
In Stock
$7.99
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Part Number 631C6
667MHz 200pin CL6
In Stock
$7.99
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Part Number 63.5C6H
667MHz 200pin CL6
In Stock
$9.99
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Part Number 63.5C6-2
667MHz 200pin CL6
In Stock
$12.99
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Part Number 631C6H
667MHz 200pin CL6
In Stock
$12.99
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Part Number 631C6-2
667MHz 200pin CL6
In Stock
$15.99
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Part Number 632C6
667MHz 200pin CL6
In Stock
$15.99
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Part Number 63.5C6-2H
667MHz 200pin CL6
In Stock
$19.99
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Part Number 631C6-2H
667MHz 200pin CL6
In Stock
$24.99
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Part Number 632C6H
667MHz 200pin CL6
In Stock
$24.99
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Part Number 632C6-2
667MHz 200pin CL6
In Stock
$30.99
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Part Number 632C6-2H
667MHz 200pin CL6
In Stock
$49.99
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Part Number 634C6
667MHz 200pin CL6
In Stock
$77.99
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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 634C6H
667MHz 200pin CL6
In Stock
$124.99
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Part Number SSD/96G
Call to Order
$148.99
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Part Number 634C6-2
667MHz 200pin CL6
In Stock
$154.99
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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
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$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 634C6-2H
667MHz 200pin CL6
In Stock
$249.99
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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 634C6-2
667MHz 200pin CL6
In Stock
$154.99
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Part Number 634C6-2H
667MHz 200pin CL6
In Stock
$249.99
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Part Number 632C6-2
667MHz 200pin CL6
In Stock
$30.99
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Part Number 632C6-2H
667MHz 200pin CL6
In Stock
$49.99
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Part Number 634C6
667MHz 200pin CL6
In Stock
$77.99
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Part Number 634C6H
667MHz 200pin CL6
In Stock
$124.99
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Part Number 631C6-2
667MHz 200pin CL6
In Stock
$15.99
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Part Number 632C6
667MHz 200pin CL6
In Stock
$15.99
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Part Number 631C6-2H
667MHz 200pin CL6
In Stock
$24.99
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Part Number 632C6H
667MHz 200pin CL6
In Stock
$24.99
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Part Number 631C6
667MHz 200pin CL6
In Stock
$7.99
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Part Number 63.5C6-2
667MHz 200pin CL6
In Stock
$12.99
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Part Number 631C6H
667MHz 200pin CL6
In Stock
$12.99
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Part Number 63.5C6-2H
667MHz 200pin CL6
In Stock
$19.99
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Part Number 63.5C6
667MHz 200pin CL6
In Stock
$6.99
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Part Number 63.5C6H
667MHz 200pin CL6
In Stock
$9.99
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Part Number 63.2C6
667MHz 200pin CL6
In Stock
$4.99
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Part Number 63.2C6H
667MHz 200pin CL6
In Stock
$7.99
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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-TP667/1G 1GB DDR2 PC2-5300 667MHz SODIMM Kingston 631C6
KTL-TP667/2G 2GB DDR2 PC2-5300 667MHz SODIMM Kingston 632C6
SNM225-S2/80GB 80GB Solid State Drive Kingston SSD/80G
SNM225-S2B/80GB 80GB Kit of 2 40GB Solid State Drive Kingston SSD/40G-2
SNV125-S2/30GB 30GB Solid State Drive Kingston SSD/30G
SNV425-S2/128GB 128GB Solid State Drive Kingston SSD/128G
SNV425-S2BN/64GB 64GB Solid State Drive Kingston SSD/64G
SNVP325-S2/256GB 256GB Solid State Drive Kingston SSD/256G
SNVP325-S2B/64GB 64GB Kit of 2 32GB Solid State Drive Kingston SSD/32G-2
SNVP325-S2B/128GB 128GB Kit of 2 64GB Solid State Drive Kingston SSD/64G-2
SNVP325-S2B/256GB 256GB Kit of 2 128GB Solid State Drive Kingston SSD/128G-2
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/96G 96GB Kit of 2 48GB Solid State Drive Kingston SSD/48G-2
SVP100S2B/512G 512GB Kit of 2 256GB Solid State Drive Kingston SSD/256G-2
M51264F50 4GB DDR2 PC2-5300 667MHz SODIMM Kingston 634C6