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Two green DDR3L SODIMM sticks, black chips, gold contacts

Computer Memory Solutions

Computer Memory Solutions 16GB (2x8GB) DDR3L 1600MHz SODIMM memory upgrade Lenovo Ideapad Y400 Series

SKU CH-BX82-JZ72K

16 GB dual-channel DDR3L SODIMM kit at 1 600 MHz with CL11 timing and 1.35 V for Lenovo IdeaPad Y400 series

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.35 V
  • 16 GB kit (2 × 8 GB) doubles usable memory for multitasking
  • DDR3L 1600 MHz at 1.35 V runs cooler and saves battery
  • CL11 11-11-11 timings keep latency low for responsive apps
  • 204-pin SODIMM form factor fits both slots in Lenovo IdeaPad Y400
  • Major-brand chips with lifetime warranty ensure long-term reliability

System-Specific DDR3L SODIMM Kit

This 16GB kit contains two 8GB modules built for Lenovo IdeaPad Y400 series notebooks. Each stick uses 204-pin DDR3L SO-DIMM packaging and operates at 1.35V. The unbuffered, non-ECC design matches the laptop's standard memory slots. It is not suited for desktops or systems that require registered or ECC memory.

DDR3L 1600MHz CL11 Speed Rating

The modules run at 1600MHz with a PC3L-12800 data rate and CAS latency of 11-11-11. This exact speed grade is the single specification that determines whether the upgrade will be recognised and run at full frequency. Buyers whose laptop BIOS locks memory to a lower speed or a different voltage will not gain the rated performance.

Two-Module Kit Fills Both Slots

The package supplies two sticks, matching the Y400's two available slots and 16GB maximum capacity. Installing the pair enables dual-channel operation for improved bandwidth. The kit leaves no free slot for further expansion, so users who anticipate needing more than 16GB cannot add modules later.

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 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $2.44 per GB
Cheaper than about 92% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM10246412800SODRL
Total capacity16 GB (2 × 8 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
Memory timings11-11-11
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsLenovo Ideapad Y400 Series
In the box
Included items2 Memory RAM Sticks

Questions about this item

What does the 1600MHz speed mean once the modules are installed in a Lenovo Ideapad Y400?

The kit runs at DDR3L 1600 (PC3L 12800) with CL11 11-11-11 timing at 1.35 V, delivering the Y400's maximum supported memory bandwidth.

How does the DDR3L 204-pin SO-DIMM interface limit the upgrade?

The modules use the 204-pin DDR3L SO-DIMM standard, which matches the Y400's two slots and caps the system at the 16 GB total capacity listed for this model.

What physical space is needed to fit the two 8 GB sticks in the Y400?

Each stick is a standard 204-pin SO-DIMM without a heat spreader, so both modules install directly into the Y400's two memory slots.

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