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Two green DDR3 SO-DIMM sticks with black chips

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1333 CL7 SODIMM ThinkPad T400

SKU CH-8KZG-EW0ZD

8GB DDR3 1333 CL7 SODIMM kit validated for Lenovo ThinkPad T400 models

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • 8GB kit lets a 64-bit ThinkPad T400 reach its 8GB maximum
  • CL7 timing at 1333 MHz gives low latency for responsive multitasking
  • 204-pin DDR3 SO-DIMM form factor fits the T400 memory slots exactly
  • Two matched 4GB modules enable dual-channel bandwidth on both sockets
  • 5 V unbuffered non-ECC design matches factory voltage and signal requirements

System-Specific SODIMM Kit

This Computer Memory Solutions kit provides 8 GB of DDR3 memory in two 4 GB SO-DIMM modules. It is built for the Lenovo ThinkPad T400 models listed in the specifications. The unbuffered, non-ECC design matches the original system requirements.

Fits Listed ThinkPad T400 Models

Suitable for owners upgrading the named T400 sub-models to the maximum 8 GB supported by a 64-bit operating system. Not for users with other laptop families, desktop systems, or 32-bit operating systems that cannot address the full capacity.

DDR3 1333 CL7 1.5 V Specification

The modules run at DDR3 1333 (PC3 10600) with CL7 7-7-7 timing at 1.5 V. This exact speed, latency and voltage combination determines whether the kit will operate correctly in the target ThinkPad T400.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $34.99
Cheaper than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $4.37 per GB
Cheaper than about 82% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM5126410600SODRH
Total capacity8 GB (2 × 4 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL7
Memory timings7-7-7
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsLenovo Thinkpad T400 2773, 6473, 6474, 6475, 7417, 7420, 7425
In the box
Included items2 Memory RAM Sticks

Questions about this item

Does the kit include both SODIMM sticks or do I need to order a second one?

The package contains two 4 GB DDR3 SODIMM modules, giving 8 GB total with no extra purchase required.

Should I pick the CL7 1333 MHz version or a slower CL9 alternative for my ThinkPad T400?

This kit runs at 1333 MHz with CL7 7-7-7 timing at 1.5 V, matching the T400 specification and providing lower latency than CL9 parts.

Will the 1333 MHz rating actually run at that speed once installed in a T400?

The T400 memory controller supports up to 1066 MHz, so the modules will operate at 1066 MHz while keeping the CL7 timing.

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