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Green circuit board with black memory chips, gold edge connector, thin rectangular SODIMM shape

OWC

OWC 1S6T31R804GB 4GB DDR3L 1600 CL11 1.35V SODIMM memory upgrade

SKU CH-TPGZ-D7K2Y

4GB DDR3L 1600 SODIMM upgrades compatible Lenovo laptops including G40-70, G410, G41-35, G500s, G50-30, G50-45, G505s

  • Total capacity4 GB
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8
  • 4GB DDR3L module expands multitasking headroom on compatible Lenovo laptops
  • 1600 MHz CL11 timing delivers responsive everyday performance
  • 35 V low-voltage design reduces power draw and heat
  • 204-pin SODIMM form factor fits G40-70 G410 G41-35 G500s G50-30 G50-45 G505s
  • JEDEC and RoHS compliant build ensures warranty-safe upgrade

OWC 4GB DDR3L SODIMM

This OWC 1S6T31R804GB module delivers 4GB of DDR3L 1600 memory in a 204-pin SODIMM form factor. It runs at 1.35V with CL11 latency and is unbuffered non-ECC with a 1Rx8 rank configuration.

Notebook Memory Upgrade

The module suits owners of Lenovo G40-70, G410, G41-35, G500s, G50-30, G50-45 and G505s models seeking a JEDEC-compliant upgrade. Buyers needing ECC support or registered DIMMs should look elsewhere.

DDR3L 1600 PC3L-12800 Speed

The rated DDR3L 1600 (PC3L-12800) speed is the single specification that determines compatibility with your system's memory controller. Verify your notebook requires this exact speed before purchasing.

How it compares

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

Price $19.99
Cheaper than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $5.00 per GB
Cheaper than about 77% 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 nameOWC
Part number1S6T31R804 GB
Total capacity4 GB
Product type204-Pin DDR3L Non-ECC SODIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsLenovo G40-70
Lenovo G410
Lenovo G41-35
Lenovo G500s
Lenovo G50-30

Other versions of this model

5 more in the same range

Questions about this item

How much heat or power does the 1.35 V DDR3L 1600 CL11 module add when the laptop runs all day?

The module operates at the JEDEC-standard 1.35 V, which is the low-voltage DDR3L specification; actual thermal output depends on the notebook's cooling design and workload, but the part itself draws only the power defined by that voltage and its CL11 timing at 1600 MT/s.

What must my Lenovo already have for this 204-pin SODIMM to work?

An available DDR3L SODIMM slot that accepts 1.35 V unbuffered non-ECC memory; the listed Lenovo G40-70, G410, G41-35, G500s, G50-30, G50-45 and G505s models all provide such a slot.

Will this 4 GB 1Rx8 stick run alongside the original memory in my G500s?

Yes — it is a standard JEDEC DDR3L 1600 CL11 1.35 V module, so it will operate at the speed and voltage of the slowest installed stick; matching capacity, rank and timing gives the best stability.

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