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Two green 204-pin DDR3 SO-DIMM sticks with black chips

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1333 CL7 SODIMM Lenovo ThinkPad Edge E420 1141

SKU CH-3WYG-B4ZYM

8GB DDR3 1333 CL7 SODIMM kit validated for Lenovo ThinkPad Edge E420 1141

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • Guaranteed fit for Lenovo ThinkPad Edge E420 1141
  • 8 GB dual-channel kit (2 × 4 GB) for multitasking headroom
  • DDR3 1333 MHz CL7 timing for responsive system performance
  • Low 1.5 V unbuffered modules run cool without extra power
  • 204-pin SO-DIMM installs directly into the two factory slots

System-Specific DDR3 Upgrade

This 8 GB kit contains two 4 GB SODIMM modules built for the Lenovo ThinkPad Edge E420 1141 series. It delivers 1333 MHz DDR3 performance with CL7 latency and 1.5 V operation. The unbuffered, non-ECC design matches the original system specification for notebook memory expansion.

Verify Slot Count And Maximum Capacity

The laptop uses two 204-pin slots and supports up to 16 GB total. Confirm both sockets are free or plan to replace existing modules. Check the current BIOS version because some revisions limit recognised speeds or ranks. The kit is a 2Rx8 configuration that the platform must accept.

Fits Directly Into The ThinkPad Chassis

No heat spreader means the modules sit flush under the standard memory cover without clearance issues. Installation requires only a small screwdriver and no extra cables or adapters. The upgrade frees the single remaining slot for future expansion if only one module is fitted today.

How it compares

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

Price $38.99
Cheaper than about 81% 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 $4.87 per GB
Cheaper than about 78% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

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 Edge E420 1141-Xxx
In the box
Included items2 Memory RAM Sticks

Questions about this item

What is included in the box and do I need to buy anything else?

The box contains two 4 GB DDR3 1333 CL7 SODIMM modules. No extra parts are required for installation in the supported ThinkPad.

Should I choose the 8 GB kit or a different capacity for my ThinkPad Edge E420 1141?

The laptop accepts a maximum of 16 GB across its two slots, so this 8 GB kit fills half the capacity and leaves room for another identical kit later.

What does the 1333 MHz rating mean once the memory is installed in the ThinkPad?

The modules run at DDR3-1333 (PC3-10600) with CL7 7-7-7 timings at 1.5 V, delivering the rated speed on the Edge E420 1141 platform.

More in Model-Specific Memory Upgrades

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